Evil Twin: Cyprien's Chronicles is a platform game developed by In Utero.

Velvet Assassin is a stealth game from Replay Studios published through Southpeak Games set in World War 2. You play a female assassin/spy who performs stealth missions behind enemy lines during the war. The game is very much like Thief and Splinter Cell, with only a special "morphine mode" to distinguish it, allowing you special moves and limited invisibility. Despite not being a big budget game, Velvet Assassin offers rare hardcore stealth gameplay in a unique setting for the genre with nice graphics and good controls.

The Maw is an action-adventure video game developed by independent developer Twisted Pixel Games. It was released on Xbox Live Arcade on January 21, 2009, and for Microsoft Windows on March 9, 2009. It became available via Steam on March 10, 2009. The game revolves around a blue alien by the name of Frank, and a purple blob named Maw, that he leads around the game world, feeding and evolving.

The game won the 2008 Audience Choice award at PAX10, and is currently a finalist at the Independent Games Festival 2009.

American McGee's Alice is a third-person puzzle/shooter computer game, which takes place in the Alice's Adventures in Wonderland universe. It was developed by Rogue Entertainment and published, distributed and marketed by Electronic Arts, and under the Sold-Out Software label as well. Alice was designed by American McGee, and featured music composed by former Nine Inch Nails drummer Chris Vrenna.

Faces of War is a 2006 world war 2 real time strategy game for the PC

Battlefield 2142 is a 2006 first-person shooter video game developed by DICE and published by Electronic Arts. It is the fourth game in the Battlefield series. Battlefield 2142 is set in 2142, depicting a war known as "The Cold War of the 22nd Century", in which two military superpowers – the European Union (EU) and Pan Asian Coalition (PAC) – battle for the remaining unfrozen land during a new ice age.

Source: Wikipedia

Kane & Lynch is a run-of-the-mill third-person shooter with elements of squad gameplay, in the vein of Freedom Fighters - only with a more theatrical feel and lots of "mature" language.

Far Cry 2 is a mission-based, open-ended FPS set in a fictional african country on the verge of civil war. The story is not even remotely connected to the original Far Cry, so this game is more like a Boiling Point fan's dream come true. Who needs Trigens when angry mercs are everywhere ?

In Flock! you control a flying saucer and must drive scared animals to your mothership through obstacles and traps. The game also features a proper campaign for 2-player co-op and a map editor.
Like in Switchball and a couple other "cross-platform" titles, the framerate is capped to 30 fps.

Defense Grid is a 3D singleplayer tower defense game. You must construct defensive towers of various types on predetermined areas to get rid of incoming alien swarms before they reach your mainframe and run with its power cores.