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.
Last Train to Timbuktu is a puzzle game by Green Eyed Games that plays like a sliding block puzzle fused with a Rubik's cube. A grid of tiles sits before you, each decorated with some grass, maybe a bit of water or some bushes, and a section of track. Simply shift the grid around so the track pieces line up, allowing the train to get from Point A to Point B unimpeded!
Time to get your Sokoban-like on with Tom 7's puzzle game, Escape. The built-in tutorial levels start you off with a good challenge, but it's the thousands of user-made levels (and a great sorting system for them) that will heap on the entertainment and have you playing for hours. Try your hand at creating a level of your own to share with the public to see if they can succeed to escape.
A Day in the Woods is a sliding puzzle adventure from Retro Epic that stars none other than Little Red Riding Hood. It's a simple game built around simple, classic puzzle ideas, but it's lengthy and challenging enough to provide an afternoon of brilliant entertainment. Also, one look at the game and you'll absolutely fall in love with the visual style!