Cogs is a puzzle video game released in 2009 by Lazy 8 Studios, originally released as a Microsoft Windows title, but receiving subsequent ports to other operating systems, mobile platforms, and game consoles. The game requires the player to manipulate a three-dimensional object's sides as sliding block puzzles as to complete specific goals, such as meshing gears to complete a clockwork mechanism or routing gas flow through pipes to a balloon. (wikipedia.org)