Personal Game Gems

So a decade of games have gone by, and out of all the games, which ones stand out, and will always be memorable to you?

mine:
Halo CE
Half Life 2
Zombie Master (course)
Enslaved: Odyssey to the West
Beyond Good and Evil (played it at my friends house last week and bought it from him)
Bioshock 1
Bad Company 1
Dead Space
Republic Commando

Battlefield 1942 + 2 + Bad Company 2
Half-Life 2
F.E.A.R. + 2
Return to Castle Wolfenstein
Team Fortress 2 (Before you had to update 4gigs of shit after installing from retail aka. before hats and shitty overpowered weapons)
LEGO: Island Extreme Stunts (That shit was FUN.)

Half-Life 2 (All the episodes as well, the story just blows my mind)
Dead Space
Zombie Master
Halo 1+2+3
Oblivion (FTW)
TF2
All the Serious Sam's
Brothers In Arms: Hell's Highway
Splinter Cell: All of them (Best Stealth+Agent game ever!)
Last but not least: My favorite MMO... World of Warcraft

Half life series.. ALL OF EM
Halo CE
Halo Reach
ZM
Insurgency
Overlord I and II
Fallout 3

Halo 1-3
Dead Space
The Xbox 360 Arcade remake of Perfect Dark
LIMBO
Mass Effect 1+2
The Chronicles of Riddick: Escape from Butcher Bay
TES IV: Oblivion
Fallout 3+NV,
CoD 4: Modern Warfare
Portal
Serious Sam
Fable 1-3
Guitar Hero/Rock Band
Tekken 4
Chromehounds
Final Fantasy XII
Anarchy Online
Star Wars: Battlefront 1-2
Splinter Cell: Chaos Theory

Some others, no doubt.

Most memorable games for what reasons ever:

• Zombie Master. (+other hl2 mods too) (I've spend too much time with it, and all the people too, as i could ever forget.)
  
• Portal.
  
• RtCW - Enemy Territory
  
• Thief III - Deadly Shadows.
  
• Team Fortress
  
• Rappelz (sadgame makes me sad because i is so lonely there nowdays cause all the nice people stopped playing... and i miss my pets sooooo much. my little nuke red pixie... my unicorn..., my hawksie.... orc+siren+skel+pant+tort+my first blue pixie... all of them. >.<)
  
• Vindictus
  
• Söldner Secret Wars - Marine Corps
  
• idk maybe will post more later.
  

Can I only pick games from this past decade? Otherwise I'd pick games like:

• Half-Life 1 (not 2)
  
• Zelda series.
  
• Kentilla. (best textadventure ever! With typing! And it even had pictars at some screens! omfg the invention! pictures in a game! *serious*)
  
• Little Computer People. <3333333333333333333333
  
• Maniac Mansion ( + its follow up Zac McCracken. MM always was better though.)
  
• Kobayashi Maru (just because I've never beat it any further than the 3rd or 4th screen. It's not possible. You can not comprehend. *shakes head slowly from right to left*)
  
• +other oldfag games for oldfags
  

Zombie Master
Half Life series
Spyro Ripto's Rage/Spyro Gate way to Glimmer (Yes it came out in 1999 but I only got to play it in 2000)
Spyro Year of the Dragon
Most of the Crash bandicoot games I have
Sadly I've forgotten most of my child hood