Xbox 360
Going in reverse order down my 360 activity list
1.) Mark of the Ninja
2.) The Walking Dead
3.) GTA IV
4.) Mass Effect 3
5.) Geometry Wars Evolved²
6.) Castle Crashers
7.) Assassin's Creed: Brotherhood
8.) Assassin's Creed II
9.) Deus Ex: Human Revolution
10.) Mass Effect 2
11.) Red Dead Redemption
12.) Call of Duty: Modern Warfare 3
PC
Going off memory
13.) Baldur's Gate Enhanced
14.) Crusader Kings II
15.) Portal 2
16.) Faster than Light
17.) Pharaoh (
anyone remember this game?)
18.) Total War: Shogun II
19.) Evil Genius
20.) 3D Movie Maker (
anyone remember /this/ game?)
PlayStation
Going off memory
21.) FFVIII
22.) FFIX
Game Boy Color
Going off memory
23.) Pokémon Red Version
Super Nintendo
Going off memory
24.) The Legend of Zelda: A Link to the Past
25.) U.N. Squadron
26.) Sunset Riders
27.) Super Mario World
Interactive Fiction
Normally I wouldn't count an interactive fiction, but there is one brilliant enough to warrant mention
28.)
Anchorhead
These are the ones I can recall. A few of these (GTA IV, FFIX, etc) I replay just about every year. The big two I'm still working on are Viva Piñata: Trouble in Paradise and The Elder Scrolls V: Skyrim (the latter will probably take me a while - I tend to burn myself out exploring and doing side quests in Elder Scrolls games and never make it around to the main quest).