1. Pokémon Red/Blue
First Game I ever owned yet 16 years and a lot of merchandise later they're still going strong world known and ever expanding.
2. Plants vs. Zombies
Watch your Walnuts and make sure you get enough sun...flowers!
3. Left 4 Dead
Classic Zombie games are in my eyes a healthy way in which to plan what you would do when the the world actually becomes over run by mindless Zombies. This has already happened but the key part is that they are not undead yet and don't want to ravage my flesh.
4. Left 4 Dead 2
PILLS HERE! What's a brilliant Zombie game without it's comical sequel.
Like Lego you can create whatever you feel like but without that awful pain you get from standing on the Lego blocks. Along with a survival mode encouraging the users to forage to survive the night
Anybody who could bet speed level 10 was a genius to me and they still are.
Have yet to get my hands on the sequel yet this game was hard enough to make me think about the puzzles yet not making me want to pour coffee all over my PC.
8. Crash Bandicoot
Big Fan of the older games of my childhood. Smashing crates and collecting masks, they don't make em like this any more.
9. Tomb Raider
From concept to present day it has been great playing this game and watching the ever changing boobs of Lara Croft.
10. Resident Evil
I LOVE ZOMBIES!!