What are the TOP 10 of your favorite games

GTA 5
Battlefield 4
Splinter Cell Blacklist
Mirror's Edge
Prototype 2
Assassin's Creed 4
Batman: Arkham City
Tekken 6
The Elder Scrolls 5 Skyrim
Need for Speed: Rivals
Command & Conquer: Red Alert 3

1. Half Life 2
2.GTA Deluxe
3.GTA San Andreas
4.Painkiller
5.Need for Speed Undegraund
6.Counter-Strike 1.6
7.Takken 6
8.Far Cry
9.Hitman Blood money
10.Postal

1. Peinkiller
2.DOOM(all)
3. Fallout(all)
4.Prince of Persia: Warrior Within
5.Brütal Legend
6. Bioshock 2
7. Dead Space(1,2)
8. Devil May Cry(1,3,4)
9. Darksiders: Wrath of War
10. The Witcher(all)

1. Far Cry 1
2. half life 2
3. Call of Duty 4 MW
4. GTA San Andreas
5. Flatout 2
6. Far Cry4
7. Battlefield 2
8. NBA 2K series
9. NFSU2
10. Euro truck 2

and good Gun game

1. Metro 2033
2. Metro Last light
3. Mass Effect Series
4. Series S. T. A. L. K. E. R.
5. Series Dead Space
6. The Witcher(all)
7. Deus Ex: Human Revolution
8. Dishonored
9. NFS The run
10. GTA 4

STALKER (ALL 3)
Need for Speed Shift 2 Unleashed
METRO 2033
Devil May Cry 4
DMC
The Elder Scroll V Skyrim
Crysis
Prototype 1,2
Far Cry 3
resident evil 4

1. S. T. A. L. K. E. R. Shadow Of Chernobyl.
2. S. T. A. L. K. E. R. clear sky.
3. S. T. A. L. K. E. R. Call Of Pripyat.
4. TES Oblivion
5. TES Skyrim
6. Fallout 3
7. Fallout New Vegas
8. Metro: Ray of hope
9. Metro 2033
10. Dead Space 1,2,3

They are of course much more,just can't fit them all in the top 10.

1) gothic 2 night raven.
2) star wars - knight of the old republic
3) gothic 1
4) dark souls 2
5) dark souls: prepare to die edition
6) Diablo 2 lord of destruction
7) street fighter 4 (super sf - ultra sf)
8) devil my cry 3
9) street fighter 3rd
10) Diablo 3

1) fahrenheit
2) Mass Effect 1,2,3
3) Bioshock infinite
4) Deus ex human revolution
5) Dishonored
6) Deus ex (2000)
7) Valiant hearts
8) Batman Arkham Asylum
9) Enslaved: Odyssey to the West
10) Ace combat Assault horizon

Hard ten in order to do about the same some games like, including Far Cry 4, Skyrim, Titanfall, assassins all, except the first and unity, Watch Dogs, STALKER, Anno 1404, the old most wanted, Metro, well, favorite, and of course GTA.

Skyrim
GTA S. A.
Fallout 3
Stalker(all parts)
GTA 5
GTA 4
MAFIA 2
Mass effect
Deus / ex-human revolution (something like this)
Borderlends

Very difficult to choose even the top 100 because I have a whole list of completed games since the NES, Sega, etc.
If the genre split I would have to choose what you prefer.