Play dominoes in a whole new way in Domino Drop. In this puzzle game, decide where to drop dominoes at the top of the screen. When two or more of the same number touch, they disappear, clearing space for you to continue. How high can you get your score?
Rotate and cut up three dimensional shapes to reduce them to boring ol' "two dee" in as few slices as possible in this simple but stylish little puzzle game that might prove to be a bit TOO simplistic for those who have seen similar ideas before.
Elio Landa returns with another simple but beautifully designed little puzzle game. Enjoy zen-like atmosphere and carefully crafted levels as you slide blocks around with a limited number of moves to cover all glowing spots on the field.
Part machine, part matchmaker, all heart! Use your cartoonishly robotic limbs to bring hearts - and love! - together in this surreal analogue phuzzle equivalent of Tindr. Go, go gadget cupid!
What do you do if you're a frog who can't jump? Well, in this simple but satisfying retro puzzle platformer from Pixelulsar, you need to fall, climb, push, and unlock to make your way to the exit in each of the game's dozen levels.
Gibton brings all their blocks to the yard, and they're like, "our match-3 puzzles are super cute and pleasant and thus as good as yours," because they're not rude and combative. Match rows of blocks to clear the screen in as few moves as possible in this follow-up to the original!
Love math? Love subtracting? Eli Landa makes the experience a mellow one as you place sums on a board to try to reduce your target number to zero. Despite a lack of bells and whistles, its clean, relaxing style makes it a great casual puzzle.
This casual puzzle game has you clicking on blocks to slide them around in order to connect one glowing square to it's un-illuminated sibling. One hundred levels of puzzling goodness await you, and the game's also available for Android.
Love word puzzles and don't want a lot of pomp and flash? This sleek puzzle game combines word scrambles with crosswords for a whopping 360 levels of relaxing, simple but engaging gameplay on your iOS.
Atomas is a simple but beautiful free puzzle game for your iOS where you combine elements to create larger ones around a circular board by choosing where to place the elements you're given, and the signs to match up identical ones.
If you can't figure out a way to pull in more customers, the hamburger stand across the way will drive you out of business at the end of the week in this deceptively difficult game of strategy where the best sign wins... but crafting it is much harder than you'd think.
Simple can be smart, and this indie puzzle game is simply gorgeous to boot. Play as a little monster who just wants to build bunches of snowmen (and snowwomen!) by solving clever, tightly designed levels with rich atmosphere that will suck you in no matter what the weather is like outside.
A relaxing, ambient and minimalist puzzle game. You move your bouncing blue box left and right with the arrows, deleting every box you land on as you go. Some boxes require more than one bounce so prepare to do some mental gymnastics as you try to delete each one.
Sometimes it's not so bad to rely only on yourself. Especially when there are multiple versions of you lying around, and they can freeze in space in time to become useful platforms and stepping-stones for you to get around on. Help one man... er, men... escape from the dark place he... er, they have become trapped in. Never has the phrase "pulling yourself up by your own bootstraps" been so literal as it is in this thematic puzzle-platformer.
Martin Kool returns with another addictive minimalist puzzler! In this companion to addictive hit 0h h1, figure out how many blue dots are on the field by using the numbers others display when they "see" other blue dots in their row or column, but remember... red dots block their view!
iOS puzzler Dwelp is everything a good minimalistic puzzle game should be... sleek design, clever concept, and no ads or in-app purchases whatsoever. All you have to do is link up all matching coloured dots in each level. Easy... right?
I spy with my little eye, a lovely and serene puzzle game for your iOS. Rotate and combine shapes to cast shadows that craft different shapes on the wall in this elegant game. Despite some repetition and fiddliness, Shadowmatic is a beautifully presented title that's made for quiet evenings.
Elio's lovely, serene puzzle game is back for more as you alter the grid before you using various tools to try to recreate the faded overlay shape. It's trickier than it sounds, since you can only use the tools in the order they're provided to you, and with 50 more levels, it's enough to make for a satisfying break for any puzzle fan.
All of the fairies in the blocky nature park have been kidnapped! Now it's up to the park's awesome, awesome ranger to get them back. Why is this ranger so awesome? Because the entire world revolves around them! While you can normally move left and right, you can flip your world to change what directions "left" and "right" are, and explore new dimensions. Run and jump through three dimensions, and get all the fairies back to your spaceship!
Take a little, take it all, or take nothing in this unique, clever game from Stephen Lavelle and Terry Cavanagh. You're trying to decide what to pack in your tiny suitcase, and what you take and what you alternately leave behind determines the short story and premise that unfolds, with unlockable items and new combinations to discover on new playthroughs!
Billed as a "playable post", Nicky Case and Vi Hart use a series of simple puzzle games to illustrate how small biases can have a big impact as they talk about segregation and diversity thoughtfully and intelligently without ever pointing any fingers.
It's time for this lovely couple's getaway to see the wonders of the world. Connect dots on each level to reach the objective, letting the couple travel deeper and farther in this mobile puzzle game.
Still don't feel sufficiently prepared for this jelly? Well, maybe Jelly Lam, a simple idea physics tentacle-swinging puzzle game by Alexander Balabanovich will give you a little security. With its warm color palette, intuitive physics engine, and lightly challenging puzzles, Jelly Lam hits that sweet spot of visual appeal with pick-up-and-play simplicity, even if the best levels are in the back third.
Available in your browser or free for iOS and Android, Martin Kool serves up a simple and simply lovely little puzzle game for fans of logic, smart gameplay, and beautiful, clean design.
Elio Landa serves up more smart and stylish puzzling in this game that proves puzzles don't need to be complicated to be great. Move numbers across a grid of other numbers to zero out their sum, planning your course and enjoying a swanky soundtrack and clean design.
Haven't had nearly enough of Crazy Digger 2? Well, the Crazy Digger 2 Level Pack will fulfill all your red-circle-chomping, gem-dropping, saw-blade spinning cravings. Essentially a new set of levels that picks up where the original left off, new players will want to start with the original, but fans looking to dive into a challenge will really dig it.
Part puzzle game and part 1960's luchador movie homage, this wacky adventure places you in the tightly-laced boots of El Macho... a luchador who's about to be late to his fight, because his rival stole his toilet paper. Luckily, he has a massively stretchy neck he can use to go hunt out some more! Wiggle through pipes, past piñatas, and around cacti in search of the mystical tissue, but stretch with caution--your neck can't cross over itself!
Purge a planet of demons in this simple yet lovely sliding puzzle game, as you control two spirits who move at the same time and must collect sparks to banish evil without destroying themselves in the process!
Fix the Sun is a puzzle platfomer by DB based around a unique gameplay mechanism that will have you flitting and flipping a ray of light all over the place. Very much reflex-based, with a number of levels that will take a half dozen deaths to get through, it's not a game for the easily frustrated. But those who press on will find it very rewarding.
It should be the easiest job in the world, watching the security cameras at night at a pizzeria with a group of animatronic critters. But with a limited power supply and a growing sense of unease, surviving til dawn will take nerves of steel and fast reflexes in this jump-scare-filled indie horror game.
You know kids. Always wandering off and getting trapped in mines full of explosives and teleporting ladders and whatnot. In this cute, simple puzzle game made in just a week, you'll have to memorize where danger lies if you want to get the kids out safely.
A puzzling twist on the smash-hit game, each level asks you to stack and combine blocks to make the highest number in as few moves as possible... with a couple challenging rules.
Tomorrow and Yesterday, an HTML5 simple idea puzzler by Firecaster, combines a simple and elegant presentation with clever and challenging time travel puzzles, making it a great time both at home or on the go.
Possessing humans and stealing souls is all in a day's work for one demon. Too bad there's a human wizard trying to stop him from doing it! Now he'll need to gather enough souls to have the strength to challenge the wizard in battle! As a demon, you'll be zipping along the ground and finding the best path to get to the humans. But once you enter a human body, you'll be pushing blocks, potions, and buttons and collecting gems on your way to the exit!
Slow, relaxing, and surprisingly tricky, this puzzle game has you slide quadrants of images around to achieve the desired picture. Enjoy the smooth elevator music while you do so; it's like a vacation for your brain.
Connect the stars in this minimalistic yet challenging puzzle game. Click your blue dot around each constellation, earning points to form basic geometric shapes. Don't repeat yourself!
Get the green shapes to the goal. Avoid the red shapes. Sounds pretty simple, right? But there's a hitch! You have three different three-dimensional shapes you need to move around, and each has their own movement pattern. Balls roll in one direction until they hit something. Cubes clink along one space at a time. And cylinders do... both? You'll have to manage a whole toy box full of different blocks all at once in order to get these shapes to the goal, and you only have a few moves to do it in!
The water is clear, but the solutions need some powerful brain work. A new level pack to the Liquid Measure series to quench the thirst for all physic puzzle lovers out there.
Made for #lowrezjam, Bart Bonte delivers another simple puzzle game, but "simple" definitely doesn't mean easy! All you need to do is fill in the shaded areas of each level with the pixels you're provided with, but changing rules and elements makes that harder than it initially seems!
Have you ever filled in a sheet of graph paper with tiny designs, just for the sheer zen of it? That's kind of what playing Pixel Flood is like, but on your Android device. Its basic mechanic is the same as many other "color fill" games, but the charming retro pixel graphics and the awesome level design really make this one stand out.
Imagine you're an alien. Now imagine you're a green alien with extendable sticky arms trying to escape from a facility, and you communicate through crushing people to pulp. That's the premise behind this weirdly cute and simple puzzle game, where you must sling and sneak your way through levels to the exit without being caught.
All the fun of classic wood and metal puzzles right on your computer screen! UnLink is take on well-known style of puzzle where you must pull apart a series of tightly-linked shapes. This one provides wild, abstract shapes, and a decidedly laid-back invisible mentor who's always willing to give you hints. Disassemble these 23 wild and abstract shapes to prove your puzzling might!
Your puzzle is boring! Does it react when you touch it and paint or drive or fly around your cursor? If not, then toss it aside forth-with and play this beautiful yet simple jigsaw game where the goal is to recreate a picture from tiles that change and react to your mouse.
Simple or simply insane? As easy as this new hexagon-based puzzle board game may seem at first glance, it can be infuriatingly challenging to master. Learn against the computer AI or challenge other players to a match as you carve out your space on the board and mark the dots.
Mutants have overrun the universe, and it's up to the galaxy's last ninja to travel back in time to take them all down. Leap from wall-to-wall to take them down in this puzzler, but watch where you land!
Repeat might LOOK simple. And, well... it is. But this puzzle game's minimalistic aesthetic hides some deceptively challenging levels as you plot and plan paths to collect all the golden squares, using limited instructions that run on a loop.
Don't ever let anything come between you and the ones you love. Not even an eight foot pigeon. Mash your way through colourful and quirky stages in this action-packed game that's bizarre, but a whole lot of fun.
Who needs bells and whistles? Not this little puzzle game. Though more of the same straightforward Sokoban as the original, this sequel keeps the presentation sleek and simple and the levels challenging to make it a satisfying and welcome little addition to the genre.
The concept is basic and simple. Replicate the multi-color pattern shown by clicking and dragging a minimum number of one-colored designs onto the grid. When your design matches the one provided, that's perfect! Now you can move on to complete the 99 other levels. Cover Color most closely resembles Factory Balls, albeit without the balls, paint or whimsy. Its unassuming graphics and gameplay won't catch all eyes, but if you're looking for a game to chill with, that engages the brain just enough without taxing, this is what hits the spot.
Since there's never been a bandwagon Tricky hasn't jumped on, he presents to you JayIs2048, a tribute to UsVsTh3m's Make Your Own 2048 generator, a tribute to Gabriele Cirulli's MIT-licensed 2048, a tribute to 1024 by Veewo Studio, a tribute to Threes by Asher Vollmer, which, of course was a tribute to the postulate that small stuff can be combined bigger stuff. There's a whole lot of tributin' going on, is what we're saying.
Getting a key and then to the exit sounds easy for a puzzle platformer. Until you realize that you're a colour-swapping square, and any platform you landed on previously becomes unsafe once it changes to match your hue! Pick your path carefully in this simple yet clever game.
Taking over phones and browsers in just a few weeks, this fiendishly addictive puzzle game has just one goal... get to 2048 by swiping and combining numbered tiles until they add up. But it's harder than it seems, and players looking for simple, casual puzzling will quickly find themselves saying "just one more round", though it bears more than a passing resemblance to Threes!
Lovers of simple and smart puzzle design should look no further than this strangely charming turn-based puzzle game that has you navigating rooms filled with deadly... uh... whatever those are that will charge you whenever you enter their line of sight.
Number Connect, the HTML5 puzzle game by Jaime TreSensa, looks a lot and plays a lot like Numberlink. Because it essentially is. And that's fine! A smaller play-screen might be nice, but with 100 free puzzles just full of numbers waiting for a connection, it's a fine implementation of the conept
Pipkin Game's little red chomper guy is back for another round of Boulder Dash-like arcade action, in Crazy Digger 2! Cleverer puzzles, fairer enemy placement, and much, much better music mark Crazy Digger 2 as the kind of sequel that even those who skipped the original will dig.
Based from the simple rules concerning how dice are made, Vishnu Vadakke Pariyarath has put together Dynetzzle, a simple idea puzzler that Sudoku fans will find to be quite the bit of pair-o-dice. While only ten puzzles are included, it's the kind of fun idea that begs for expansion.
What it may be lacking in sounds and visuals, Masa's physics puzzler, Linkage Draw, makes up for in a big way with its mind-boggling levels. Drag the pieces together thoughtfully to be able to trace out the given pattern. Maybe it's the position of the pieces that matter or which corner you decide to connect them to, but each of the 16 levels will surely have you going 'hmmmm'.
Yarr, me hearties, it's time for a game about pirates! The pirates of Treasure Maps are a smart and logical sort, and they love puzzles and treasure. Help them find the buried treasure in this logic game that mixes sudoku and picross. With more than 350 levels, it's challenging to play and fulfilling to solve.
Part strategic puzzle, part turn-based RPG, this latest idea from Daniel Benmergui has you picking a path through a dangerous dungeon on a grid filled with enemies, items, and traps on your way to take down a god. Though short and straight-forward, it's fun while it lasts and has a ton of potential.
Quick, what do you get when you add 10 and 10? The answer is still 10, because 10 is Again! Never mind that that makes no mathematical or grammatical sense, because all that matters is that in 10 is Again, you've got to slide numbered tiles to make stacks that up to exactly ten. In this level pack, multiplication, division, and inversion tiles are added to the mix to make the math just a little wilder and the puzzling a little trickier.
Live Puzzle takes a Christmassy turn! Each uniquely designed jigsaw puzzle is a moving picture, and putting them together is as fun as it is tricky. Now, with ten new and adorable levels, Live Puzzle 2 Christmas Edition is the sweetest game in the series.
Sometimes the biggest challenges come from games with very few rules. It's the principle behind Simple Machine's latest puzzle, in which you combine matching numbered tiles until there's only one. It's simple, it's clever, and it's difficult in the best of ways.
How can you not love the number 10? Especially if we're talking about the new sliding-puzzle from iojoe! Colorful and entertaining, with a gentle learning curve, anyone in search of a good mind-twister should definitely give 10 their a-10-tion.
The Poyas are simple, spherical creatures who don't do much on their own... but using the power of a strange cube they both fear and worship, you can use them to help you solve puzzles and proceed deeper into a temple in this short yet compelling and clever puzzle adventure.
The ever elusive key. Is it the ongoing quest to open more treasures or doors or find answers to life problems? Whatever it unlocks, this creatively simple point-and-click puzzle game from Bart Bonte is the key to an endless smile—or at least one that will last through 25 increasingly tricky and not-altogether-too-easy levels. With the help of some dapper penguins, figure out how to uncover the hidden key in each stage in order to move on to the next.
The simple things in life are often the best, and Green-Eyed Games has managed to turn a simple sliding-block puzzle into a game about flowers, just by arranging blocks the right way. The rules of Petals are as simple as the idea behind it: click to combine like-colored tiles in a grid, but avoid combining tiles of different colors. That's all there is to it, and it's a great way to spend a few minutes stretching your mind. You don't even have to water it.
Robby wants to rob a bank, but things don't go so well when the police show up. As the officer counts down from ten, it's up to you to find out a (probably weird) solution that doesn't end with our hero dead or in jail in this wonderfully silly point-and-click puzzle game made in just 48 hours.
Who even leaves cheese stacked on top of a fridge anyway? Well, as gross as that might be, it's lucky for you that they did, since you're a mouse with a hankering for a chunk and a good throwing arm. This physics projectile puzzler could use a bit of extra polish and depth, but its simple fun and few gameplay twists make it a nice casual choice for sometimes-gamers or kids to enjoy.
All you want is that delicious red apple, but since you can't jump, you'll have to settle for the next best thing... laying out a careful path of your own extruded torso to allow you to make your own paths and platforms. A simple yet very clever (and very difficult) HTML5 puzzler that doesn't have a lot of bells and whistles, yet proves you don't need them if you have the brains to back yourself up.
Classic jigsaw puzzles are fun and all, but this is the 21st century and we demand more! Which is why Pipkin Games came up with Live Puzzle, an adorable (and tricky) game in which you put together moving pictures. Now, with Live Puzzle 2, there are ten new levels to very pleasantly occupy your time.
PicTune is an experimental sound-based puzzle game by IcyLime based around a unique mesh of sight and sound. In each level, you will be given series of tones that represent a picture on a pixelated grid. It makes your feel that you using a part of your brain not often tapped, and though there are some frustrations getting used to the mechanics, the game has an addictive quality that cannot be denied.
In Sirtet, you're in charge of destroying some grumpy red blocks. Why are they grumpy? No idea. Why are you destroying them? It's a mystery. Anyway, use Tetris-inspired formations and bombs, lay them on top of the surly red bocks and beat level after level of this simple but entertaining puzzle game.
Pretentious Game is a series of three minimalistic episodes about love, loss and growth. Although narrated in short sentences and illustrated only by the characters' simple actions, the games are powerful and engaging, handling human frailty in a unique way.
Yes yes YES. The Kagi Nochi Tobira series is back! The iOS and Android escape game Kagi Nochi Tobira 2013 from Daisuke Suzuki is one of the more polished "100-style" escape games out there (move over, 100 Floors), adopting a simple art style and puzzles that are both creative and challenging. Time to grab your mobile device and binge play.
If you have a few minutes to waste, and you're in the mood for something colourful and relaxing, look no further! What it wants to do is let you kick back and enjoy some colourful, almost plushy gears and a bunch of well-made puzzles.
Maze Evolution is really simple. You just guide a little star through some tunnels and corridors. Also, you mustn't touch the walls. Oh, and some of the mazes are moving. Did we mention there will be things shooting at you? No? Never mind then, you'll do just fine! *shifty eyes*
It may look sweet and simple, but don't let it fool you, because this Sokoban-style puzzle game is going to tie your brain into knots. All you have to do is slide crates onto spots marked with an X, but with thirty stages, each more tidily and cleverly designed than the last, Sokoboom proves it has what it takes to keep you challenged.
Here's a simple idea: Using your mouse, trace paths across a board of black and white tiles so that the white tiles you've selected turn to black. Sound too easy? Mateusz Narolewski will make you wonder if someone's been replacing your breakfast cereal with paint chips.
Combining avoidance gameplay with puzzle elements, the queerly named ...=D starts off slow and easy, but in no time at all will have you sweating bullets as you struggle to keep up with a game that more and more resembles a chaotic disco dance floor!
Where in the world are you? You'll need a little world knowledge and some deductive skills in this puzzle game that uses Google Maps to plop you into unknown territory you can explore to try to figure out your location, and then point to it on a map, for a challenging and addictive little game.
The winner of the minimalism-themed Ludum Dare 26 game jam, Mono, a Java game by Timtip Games, is a uniquely artistic top-down mix of puzzles and skill. In it, you must guide an eye through a series of eight levels. It's over far too fast, but it's densely packed with interesting ideas and a well deserved victor.
Everyone Together is a tough little stumper in a meek, unassuming package, and it will give you the urge to go back through your various contact lists and catch up with people you haven't gotten in time with for years. You know exactly the ones I mean!
Stargazers is a minimalist puzzle Ludum Dare entry by Cake and Zeik that's sure to have everyone watching the skies. An interesting variation on connect-the-dots, Stargazers may be short, but it has astronomical amounts of polish.
Perfection is a simple, casual puzzle game from Dumb and Fat Games, creator of Sling It! and Phantasmaburbia. It tests your spatial resolve by challenging you to slice bits of an object away until it fits inside an outline. There's no timer, there's no move limits, and there are no missions to complete. Just some relaxing music and a great game of self-challenge at your fingertips.
Explore a mysterious paper world and help the Paper Titans reunite as they work together in 45 levels to gather up three stars and reach the envelope sealed with a kiss. Fold up these quirky characters then put to collecting, throwing, flying, exploding and shamaning past obstacles in an elaborate 3D world which is instantly accessible via a touch and a swipe on your mobile device. Playing more as interactive art than a challenging game, those who enjoy distinctive visuals and relaxing gameplay can let their imagination run wild in this papercraft playground.
You've been abducted, but after hours of travel, you've taken your chance to escape. You need to figure out where you are and quickly. Pursued is an HTML5 puzzle game designed by Nemesis Games, powered by the Google Maps Street View engine. A unique, if sometimes slow-loading, experience, Pursued will take you on a glorious world tour.
Now you too can be a minimalist artist! Mondrianism is an ingenious interactive art game, in which you get to play with Mondrian's paintings. Move one coloured rectangle around, absorbing all the others, until there's only one colour left on the screen. And you thought this art thing was difficult...
Yoshio Ishii has another question for you, and in this third installment of the addictively clever puzzle series, provides even more smart and simple levels where you'll have to think outside the box. Or circle, I suppose. All you have to do is read the question and figure out which circle you need to click... even though they both seem identical.
Combine squishy blocks according to colour. What could be simpler, you say? Not much, but it's important to remember that simple doesn't always mean easy, and this free stylish little indie puzzler will give you far more than your value with its devilish design and 40 levels.
Live Puzzle is a jigsaw game by Pipkin Games that presents players with a fun set of animated pictures to reconstruct, with subjects ranging from fish, to spirals, to planets, to cards. The animation is clearly a gimmick, but a cool one, and the developers definitely put thought into how different puzzles would be solved in different and interesting ways.
Laser Puzzle is just what it sounds like: A puzzle with lasers. You've got to redirect the colored beams to the receptors, but instead of freely dropping mirrors around the grid, a series of mirrors and filters on wheels must be turned until the beam finds its way. This clever take on an old chestnut is only five levels long and will leave you craving more, but it's the perfect length for a short coffee break.
Developed by AtomicCicada, this block-sliding puzzle game takes an old concept and turns it on its head with a simple tweak. Giving a much-appreciated twist to a familiar format, Push Me is a refreshing and unexpectedly original piece of logic puzzlery. And with 100 levels, it'll keep your brain occupied for a nice while.
If you always enjoyed Smart Code Games' superlatively fluid physics puzzle but felt it was a might tame, this poison pack of 30 additional levels gives you a potent new purpose to your plumbing job. Arrange the pipes, valves, bombs and teleporters then click the start switch to route the glowing green toxic liquid into its respective containers, measuring amounts properly to not waste or spill. With virtually no instructions, the puzzles won't hesitate to tease your brain with byzantine constructions, giving you plenty to scratch your head over for most the afternoon or evening.
You're bored kid with a box cutter in a room full of boxes. Ready for rainy day crafts time? Turn the boxes into shapes by clicking a point outside the box then drawing a line all the way across it to cut off that piece. You're limited to specific types of cuts and, as the shapes get much more complicated over 30 levels, creating them with 100% similarity becomes quite tough. Slice the Box is great way to while away time in a relaxing, creative endeavor.
RedWhite Slice is a short action puzzle that's a mix of Fat Slice and JezzBall, whose strength is in its level design and aesthetics. It's not very long or difficult, but at about ten minutes of tidy design, it's a great way to spend a coffee break.
It's a good-natured game of turf wars as you clear the board of all but the last monster standing. Simply roll an adjacent monster into another monster to push him off, continuing the process until all but one remains. Over time, the set-ups are more complicated requiring strategy and planning to complete.
Pink is nice, but spikes? Not so much. Paint all other colours pink in this gravity-defying platformer, but avoid getting impaled! A simple idea that will challenge your reflexes and brighten your day in the space of a coffee break with its bouncy design.
This party is hopping, but it's hard to enjoy it when someone wants you dead, and everyone is strange enough to be a suspect. Created in just seven days, this simple but uniquely stylish little puzzler has you asking questions of 24 monsters to figure out who's trying to kill you before they get to you first. That's... an extreme sort of party game. Couldn't you have just played charades?
Although you've been asked this question before, there are more ways to distinguish the differences between two seemingly alike spheres. That's why this pleasantly straight-forward puzzle game from Yoshio Ishii is so good to play. Throughout twenty levels, you'll decide which of the two circles before you has the requested quality. At times obvious, other times needing lateral conclusions or outside knowledge, More Which? is just challenging enough to be gratifying.
At first, it's rather easy. You have a game panel of a few colored squares and, using color affecting tiles, your objective is to change your panel to match that of the target. Then it gets progressively more difficult. Challenging puzzles plus chill music, though, always makes a good match for a game break anytime.