Gears of War and Bioshock.

Gears of War is just too gritty and lacked color. It was really bland to look at. The enemies and linear levels made the gameplay too repetitive.

Bioshock was just too dark. I stopped playing after I saw the Hippocratic oath written in blood.

1. Call of Duty 4

2. Fallout 3

3. Grand Theft Auto IV

4. Halo 3

5. Mass Effect

6. Fable II

7. Gears of War 2

8. Left 4 Dead

9. Forza Motorsports 2

10. Elder Scrolls IV: Oblivion