What's your favorite game?

Impossible to narrow the list without forgetting something. These three jumped to the top of my mind though:
Mother 3
Escape from Monkey Island
Chrono Trigger
Super Meat Boy
Super Mario World
Rayman Origins
Mega Man 6
Castlevania: SOTN
Disgaea
System Shock
Deus Ex
Fallout 2

CS:Source and Borderlands 2 <3

dota 2

Favorite game of all time is Battlefield 2142.

diablo 1