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SpaceChem is an intriguing, "problem-solving centric" puzzle game by Zachtronics Industries that combines the logic of computer programming with the scientific domain of chemistry, set in an original science fiction universe. Players build machines using mechanics similar to visual programming that assemble and transform chemical compounds. Players later connect those machines together to form complex pipelines, and ultimately construct special pipelines to fight back against space-monsters that threaten humanity.

The gameplay involves guiding a cube around 46 levels collecting coloured cubes by dragging the finger across a touch screen, taking care not to fall off the paths. By dragging hard enough, the player can make the cube climb over steps. By balancing the cube along the edge of a wall or space, players can hang across certain edges in order to cross large gaps.

Killing Floor is a Co-op Survival Horror FPS set in the devastated cities and countryside of England after a series of cloning experiments for the military goes horribly wrong. You and your friends are members of the military dropped into these locations with a simple mission: Survive long enough to cleanse the area of the failed experiments!

Platformer/physics puzzler for all ages. Help Max get through a dangerous paper and ink dreamworld by drawing bridgy-stairy objects or dropping squiggles to crush baddies and power swings. Cute, clever and cheap as only indies can be, apparently.

Crossworlds is an expansion for Armored Princess, the sequel to turn-based strategy hit King's Bounty: The Legend. It features several modules including an expanded version of the original campaign and two arena modes focusing on boss battles or random enemy armies. Crossworlds v1.31 is the first of the King's Bounty games to properly support 16:9 resolutions.

Dota 2 is a Multiplayer Online Battle Arena (MOBA) game from Valve running on an updated version of the Source engine. The game was released on July 9, 2013 for Microsoft Windows, OS X and Linux versions of Dota 2 were released on July 18, 2013.

Although Garry's Mod is usually considered to be a full game, it has no game objective and players can use the game's set of tools for any purpose. Garry's Mod allows players to manipulate "props" – various objects that players can place in-game. Props can be selected from any installed Source engine game or from a community created collection. The game features two "guns" – Physics Gun and Tool Gun for manipulating objects. The Physics Gun allows objects to be picked up, adjusted and frozen in place.