Since Smithsonian Art of Video Game exhibit was mentioned, I thought I should mention the list of games they have:
Nintendo Wii:
Super Mario Galaxy 2
The Legend of Zelda: Twilight Princess
Boom Blox
Zack and Wiki: Quest for Barbaros’ Treasure
Sony PlayStation 3:
Uncharted 2: Among Thieves
Heavy Rain
Flower
Brutal Legend
Microsoft Xbox 360:
BioShock
Mass Effect 2
Geometry Wars: Retro Evolved
Lord of the Rings: Battle for Middle Earth II
http://en.wikipedia.org/wiki/The_Art_of_Video_Games
http://www.vg247.com/2011/05/05/smithsonian-announces-submissions-to-its-art-of-video-games-exhibit/