Ah so many games to chose from... I can't quite pick one!
Some of my all time favourites would be:
The first ever Tomb Raider (the original)
Assassins Creed 1 & 2
The Bio Shock Series
Shadow of the colossus
Little Big Planet 1
Welcome to Eight Forums rjmach. A Guy
is this online game or offline game?
if offline- Mexican train
If online--Bubble Witch