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Rating: 4.3/5 (80 votes)
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JamesAntimatiereIn the land of the blind, one eye is king. Same can be said for the only three-dimensional being in a flat world. But old one-eye lacks depth perception. You, in contrast, can alter reality itself. And all it requires is changing the wallpaper in the first-person puzzle game Antimatiere, created by a group of French video game and interactive media students, Team Antimatiere (Francois Kmetty, Thomas Planques, Joel Gueulin, Robin Poma, and Marie Muller) which took home first place in Kongregate's recent Unity game design competition. Something awfully scientific goes awfully wrong, according to the opening sequence. Scientists, explosion... you get the idea. Then we are in the head of our hero, who upon speaking to the first two-dimensional character wiggling against a wall, learn that they are the only hope in a world thrown into dimensional disarray.

As it turns out, the mixing of dimensions sorta-kinda make you think of Minecraft in an abstract painting while you are standing on your head. The 3D world is divided into various areas, each hosting a few lateral puzzles. It all involves moving textures; apart from moving around the levels with [WASD] and the mouse, all you can do is exchange one texture for another. But this simple mechanism has surprising results. Place a door in the right place and it suddenly becomes an open door. Switch the signs above a door and it changes the room it leads to. Move a ladder and it... becomes a ladder somewhere.

AntimatiereAntimatiere is not deep. Most of the puzzles involve moving doors, ladders or bridges here and there, figuring out how along the way – all strictly linear. There is no pause menu, the game takes up a lot of screen space (you might have to set your browser to full screen) and at least once a game session ended prematurely because the character got stuck in the wall. Antimatiere needs a lot of polish, but it is also not quite anything you've ever played before, unless you are aware of some kind of 'stuck in two dimensions' genre. Antimatiere feels like a competition game – a concerted effort to be the most creative and interesting, which also leaves it with a lot of shortcomings, but a lot of potential, too. It's certainly an interesting ride on the way and maybe we'll see a more in-depth and polished sequel soon.

Play Antimatiere

Walkthrough Guide

(Please allow page to fully load for spoiler tags to be functional.)


The Blue Room

Talk to the man.

Pick up the door on the wall to your right.

Place the door to the right of the man.

The Orange Room

Talk to the man.

Pick up the fax machine.

Swap the fax machine with the TV.

Pick up the fax machine and put it next to the man.

Talk to the man.

Pick up the door and place it next to the man.

Talk to the man.

Enter the blue room and pick up the door.

Place the door next to the table-and-picture tile.

The Hallway

Pick up the elevator doors from the floor.

Place the doors next to the potted plant.

The River

Talk to the janitor.

Walk through the gap on the left.

Turn around and pick it up.

Walk along the edge of the water, away from the janitor, until you hit the edge of the river.

Place the gap on the forest tile right next to the water's edge.

Walk through, turn around and take the gap.

Walk along the forest edge until you reach the river.

Use the gap tile on the forest tile next to the river.

Go through, walk along the forest edge and take the gap.

Walk to the edge of the river and use the gap on the forest tile.

Walk through the gap and head down to the bridge tile. Pick it up.

Walk back through the gap and continue on to the narrowest point of the river.

Use the bridge tile on the narrowest point of the river.

Walk down and pick up the second bridge tile.

Use both bridge tiles to cross to the ladder.

The Forest

Find the ladder tile, on the right behind the first ladder.

Fetch it, use it on the tile above the first ladder and climb up.

Find the ladder near the back left, use it and climb up.

Navigate past the thorns to the outside of the platform. Find the ladder on the edge, facing outwards from behind the middle pillar.

Take the ladder from the top of the pillar. Use it on the leafy platform parallel with the ladder location (but one panel lower).

Climb up and collect the second ladder. Use both ladders to climb up (opposite side to where you found the first ladder).

Top Of The Tree

Talk to the man.

Find the ladder on the ground and climb up the pillar.

Take the pylon tile in the middle of the tree surface.

Climb onto the pylon wires and walk to the steel structure.

Replace the pylon tile with the gashed tile in the middle of the steel structure.

Walk back to the tree and use the tile on the spot you found the pylon tile.

Drop down.

The Train

Talk to the train driver.

Take the drinks sign from the wall.

Place it above the door.

Enter the new room, turn around and take the door.

Use the door on the enclosed area to the side.

Enter the room, pick up the door inside and use it on the spot you placed the previous door.

Pick up the vending machine and leave the enclosed area.

Swap the doors to re-enter the driver's compartment. Place the vending machine next to the driver.

Talk to the driver.

Place the passenger sign above the door. Enter the passenger cart.

Locate the chest luggage.

Take the chest luggage and place it nest to the other chest luggage.

Return to the driver's compartment and talk to the driver.

Remove the sign above the door.

Enter the new room, turn around and take the engine room sign.

Return to the driver's compartment and use the engine room sign above the door.

Enter the new room and walk over the white space.

The Towers

Lean closer and land on a tower.

Climb through the washing machine.


I really enjoyed this game, and it was the first unity game that didn't crash my browser! I did get stuck however after I

put the bags together

on the train. I could still look around, but I couldn't move. I'm not sure if that was a glitch or a puzzle, but it prevented me from going any further.

Littleghost March 23, 2011 3:19 PM

It doesn't seem to matter what browser I'm on, this game doesn't like me, and I've played unity games before. But I can't even get past the title page. Any help for mac users?

Patreon Crew SonicLover March 23, 2011 3:40 PM

I'm having the same problem as Arcan... and Francis's advice is useless because

I can't get into the main cockpit because I can't move!


For me, the mouse is way too sensitive so I keep staring at the ceiling or the floor. Shame :(


This was pretty interesting! But I'm not sure I've finished the right way or.. some weird shortcut. I'm guessing the second.

while in the train, the guy told me about some luggage of a scientist. I didn't really know what to do, but found a sign for a machines wagon of some sort! ok, as I got there and started analyzing all the weird things on the wall I FELL on some hole! kept falling .. there were some infinite buildings around me so I 'floated' to one of them.. there was a window leading to the inner building that I climbed only to start falling again.. then there were credits. I am very confused.


The game must not like macs; I'm having the same problem as Littleghost.


It runs fine on my Mac.

Are you following the instructions printed below the game window?


I have a mac too and the game doesn't work as well, sob.


Trying to play it in Chrome on a PC, getting a message that no plug-in is available to make the game run.

Boo. :[


@An Onyx Mouse: have you tried installing the Unity Player? It's a Unity game that requires the Unity Player plug-in (a link to the plug-in can be found in the title header of this review).

I just tried installing it on my Windows 7 partition of my Mac Book Pro, and I'm now running the game in Chrome without issue.


I loved the game even if it seemed it ended bad (what can you say it's a college project by french students), it seemed great with the illusion of warping space. If you get stuck, press R to respawn, I did this when I moved the door from the train wagons because when you go through one door and there is no door on the other side of the wagon you get stuck into a wall, wonder if that is what is happening to you guys. I thought it's a great game. 5/5


According to James Francis's walkthrough, what I thought was a buggy shortcut was actually the right way. I still don't get it, though.


@Jay: Ohh, okay. Danke!


Firefox 4 on Mac OS X. When I click on the game window, instead of the mouse cursor disappearing, the game window loses focus.

By frantically clicking and pressing enter, I can eventually pass the title screen and intro, but the game proper doesn't take focus either.

Patreon Donator Infant Tyrone March 23, 2011 9:01 PM

Well, after figuring out the same problem a lot of other people were having (the not-intuitive instructions hidden below the load window) I was pretty quickly enchanted with the mechanic and play. The puzzles weren't too hard, but not too easy, and I was all set to give this a 5 stars. But I had the same problem as Arcan. Too many glitches. Otherwise an excellent game.


The game's main menu is keyboard controlled. When a game doesn't respond to my mouse clicks, I assume keyboard control and act accordingly.

Anyways, I'm not having any issues with the game losing focus on Firefox 4 Mac OS X. Sounds like you may have a browser extension conflict, Ezra.

crashlanding March 23, 2011 11:37 PM

Wow that's a cool concept.
The puzzles and glitches need some serious ironing out, but the atmosphere is amazing, and I absolutely love the gameplay. Loved the visual style of it all, as well!
Being a scientist by trade, games which liberally throw actual science out the window while invoking its name tend to make my head hurt, but this was so cool, I didn't care in the slightest.
On that note, I loved the train conductor who happened to have very deep knowledge of theoretical physics. Awesome.
It kinda gives off the same sorta vibe as FRACT (albeit in a less refined manner). I would love it if the devs behind that teamed up with team antimatiere for a project. The resultant amazingness may just be too much for me :0

crashlanding March 23, 2011 11:40 PM

on another note, I would have LOVED it if they made puzzling use of the fact that the world is infinitely iterated - like on the tree, it would be awesome if you had to look at the other side of the tree you're on in order to really solve the puzzle.


I enjoyed it, but likewise could not move after solving the baggage puzzle on the train.

Currangr March 24, 2011 5:56 AM

Something I noticed

On level 5, there's a closed hatch below one of the paths that go around the tower. I've tried to use the stairs to get to it, but it seems just barely out of reach


Utterly AWESOME. Congratulations on a brilliant game! (imho)


Oh and for anyone who likes this kind of thing I'd recommend Brendan Chung's Gravity Bone which is just as awesome in it's oddness.

I don't think I can paste links but if I can then...



"It doesn't seem to matter what browser I'm on, this game doesn't like me, and I've played unity games before. But I can't even get past the title page."

Exactly what happens to me. I used to be able to play unity games on my computer, so I pretty much think I should be able to play this - but no. The unity loading screen comes up and that's fow far I get :( Firefox, IE, all the same.


SyAccursed March 24, 2011 8:51 AM

Same bug as some other folks. Putting the luggage chests together makes it so you cannot walk anymore, which renders finishing the train level impossible sadly.


Thanks to James Francis for the luggage puzzle workaround.
Avoid the luggage entirely to avoid the luggage glitch
(Too bad the ID tags on the scientist's bags weren't visible; they would've revealed that the scientists also invented the PC's BlueScreen Of Death, the X-boxes RedCircle of Death, and that sad bit of magic smoke that escapes from a irreparably over-clocked graphics card)

alisonofagun March 24, 2011 10:22 PM

Fascinating, this game really tries something new. I too have glitch issues but would love to see a more polished version so I could finish the game. Thanks for sharing this game, I really like the concept!


As a workaround for my bug, I used Chrome.

The game was neat, but it was very laggy and the ending confused me.

darkxangel83 March 25, 2011 2:43 AM

Ugh...made me WAY too dizzy!

Fritware March 25, 2011 9:02 AM

In the last level, has anyone been able to...

...assemble the stairs to reach that other portal way up above the "washing machine" door? I've been able to get within two squares of it by grabbing a stairwell, going back down until I'm on the ledge above the level with the washing machine, and then leaning around the corner to place it. I've got all four sets of stairs to play with, but I can't place the last couple to reach the portal.


I installed the pugin, but I still can't get it to work. it still says 'failed to update web player' :(

TheMusicGirl March 27, 2011 2:04 AM

JUST figured out how to get the

luggege next to each other

and now I cannot move. D: Utinyyyyyy. Why do you do thisssss.

TheMusicGirl March 27, 2011 2:14 AM

Ok, just clicked "replay levels" and played the last one. The ending, in a word, was bizare. I didn't understand it at all. I'm sure there's some sort of deep meaning to it. But the gameplay mechanic was beautiful, if not a bit buggy, and I hope to see more of it in the future! I sort of wish this game had built on the creepy feeling that it gives you when you find out the world is now 2D...I would have liked more levels!

unblinkered March 27, 2011 12:59 PM

Another Mac user with problems...just clicking the link crashes my browser (Chrome)... :(


Such a cool game with an amazingly cool concept. *.* I would love to see more... really the only big issue with it is the glitchiness, as I can't seem to put the luggage together without being stuck and having to respawn (hold R).

zbeeblebrox March 29, 2011 3:25 AM

Lot of bugs, but I enjoyed what I could play. Reminded me a lot of that super weird Unity game where you kept switching between positive and negative space...but slightly less headache inducing :p

The ending made no sense, but it's an awesome proof of concept, and the art design was great.

KosteonLink April 4, 2011 10:50 PM

Interestingly enough,

Respawning seemed to not only get me out of the luggage glitch, but continue on as normal.


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