I'm not even going to try ranking at this point but I might as well start a list. I'm sure I'll forget a bunch.
In no particular order:
- bioshock
- bioshock 2
- dead space 1
- metal gear solid (ps1)
- starcraft
- starcraft brood war
- god of war 3
- dark souls
- Mario 3 (nes)
- Kirby's Dreamland (NES)
- battletoads
- max payne 1
- Deus Ex
- Doom
- Duke Nukem
- tank wars (old DOS game)
- counter strike source
- hang time (nes)
- mass effect 1
- command and conquer 1 / red alert
- any game i have first place in nubblies arcade
- Mafia
- prince of persia
- Portal 1 & 2
- halo 2 (multiplayer only - single player in halo series is very bland)
- far cry
- Mass Effect
03/2014
- Dark Souls 2
- Counterstrike Global Offensive
Honorable mention:
- half life 2
- Civ 5
- Age of empires 2
- mario kart 64
- some nhl game on ps1 i don't remember the name of
- tony hawk pro skater
- alan wake
- silent hill 1 & 2
- resident evil 2
- the walking dead 5 part series (except for 5th episode)
- the uncharted games (ps3)
- nfl blitz
- Tony Hawk's Pro Skater 3
- gex: enter the gecko
- guitar hero (even though i've never owned it)
- warhammer 40k
03/2014
XCOM: Enemy Unknown
popular games i didn't like or finish (probably the hardest list to remember):
- grand theft auto 3 and the others (although gft 2 was fun i played that quite a bit. was a 2d game that doesn't belong on any of these 3 lists)
- skyrim
- fallout 3 (i always seem to never see to stay interested long enough to finish bethesa games)
- any game someone else has first place in nubblies arcade
- crisys 2
- sims
- gears of war
03/2014
- GTA V