either call of duty 3 for the xbox360 or guitar hero 3 for the ps2. call of duty 3 i couldnt beat the last 3 mssions for 2 WEEKS.

guitar hero 3 i had it since christmas, started playing that morning, and i JUST beat lou on hard. my data got corrupted too, so i had to start all over!

4. Roller Coaster Tycoon (PC)

-Wheels-

Yeah, RCT is a fun game. Especially, with expanisons. Anyway, lets cut to the chase

Anyway, I only have 3 that I can think of

3. Lego Star Wars 2: The Original Trilogy (X360) 24 hours, and 16 minutes (in-game timer)

2. Guitar Hero 2 (PS2) my currently most played GH with about over 3 days of being played.

1. Bully:Scholorship Edition (X360) at least 4 days since I got it in June.