Ok, I know this thread probably existed before,and that you probably have them posted individualy on your profile but, as Alucard once said, I'm interested in this :P

Here are mine (not in a specific order,except Ocarina is definitely First)

The Legend of Zelda : Ocarina of Time

Final Fantasy IV,VI,VII (7 Being the best because of the incredible materia system)

Castlevania: Symphony of the Night

Resident Evil 4

Baldur's Gate 2: Shadows of Amn

Half-Life

Super Mario Bros

Super Metroid

These are the ones that stand out.I could name you 20 more great games but they are inferior to the ones I mentioned.

The Settlers

Civilization

Incubation

Panzer General

Tie Fighter

Counter Strike

HoMM 3

Kotor (both)

Witcher

Valkyria Chronicles

Wipeout HD

Soul Calibur II

Uncharted 2: Among thieves

God of war 3

Company of heroes

Pokemon yellow

Basically Games Greater than 9.5 Every Other game I've played game <=9 imo
1.FFX (PS2) Now On PC emulator!
2.FFVIII (PC)
3.Deus Ex (PC)
4.Zelda: Ocarina of Time (N64)
5. Mario 64 (N64)
6. Metal Gear Solid 2 (PS2)
7. Dragon Quest V (Ds Remake of SNES Game)
8. The World Ends With You (DS)
9. Final Fantasy X-2 (PS2)
10. Mech Warrior 2: Mercenaries (PC)
11. Mass Effect 2 (PC)
12. Super Mario Bros (NES)
13. Pokemon Yellow (GB)
14. Pokemon Crystal (GBC)

I probably Forgot A couple.

1. The Legend of Zelda: Ocarina of Time
2. Resident Evil 4/Grand Theft Auto: San Andreas
3. StarCraft II
4. Fallout 3
5. Halo: Combat Evolved
6. Final Fantasy VI
7. Super Smash Bros. Melee (Brawl sucks)
8. Mario Kart: Double Dash!! (Why couldn't MKWii be as good?)
9. Super Mario Galaxy (The only Mario game I could bring myself to get through, Mario 64 had the worst controls ever when I picked it up in 2005, therefore, it sucks)
10. StarCraft/Brood War
11. Star Wars Battlefront (The Empire beat the Rebellion on Hoth? Not in my world they didn't)
12. Golden Sun (I preferred the story to GS2: Lost Age, even though it was the better game, I didn't like it as much)
13. Fire Emblem 7 (8 had a lame story even though it was superior, 9 was a drag to play, and I never even finished 10)
15. Metroid Prime 2: Echoes (Corruption somehow had worse graphics and the lamest story ever integrated into a Metroid game, if I wanted a story, I would scan it)

1. FFX (PS2)

2. MGS4(PS3)

3. MGS1(PS1)

4. MGS2(PS2)

5. MGS3(PS2)

6. Uncharted 2(PS3)

7. Cod4(PS3/360)

8. God of War 3(PS3)

9. GT3(PS2)

10. GT4(PS2)

11. FFVIII(PS1)

12. FFVII(PS1)

That's my Top!!!

1. Uncharted: Drake's Fortune

2. Uncharted 2: Among Thieves

3. Burnout Revenge

4. Infamous

5. Resistance: Fall of Man

6. God of War III

7. Midnight Club 2

8. Halo: Combat Evolved

9. Heavy Rain

Just as a side note, My first console was the original xbox and I only bought like 10 games for that system.  I really started playing games this generation.  That's why most games on my list are current gen.

Can't be screwed ranking the games so I'll just list:

PS1:
Crash Bandicoot 1
Crash Bandicoot 3: Warped
Metal Gear Solid
Final Fantasy VII

N64:
Donkey Kong 64
Super Mario 64

PS2:
Kingdom Hearts
Kingdom Hearts II
Metal Gear Solid 3: Snake Eater
Ratchet and Clank 3: Up Your Arsenal
God of War
God of War II
Gran Turismo 3
Final Fantasy X
Tekken 5

Gamecube:
Mario Kart Double Dash

PS3:
Metal Gear Solid 4: Guns of the Patriots
Uncharted 2: Among Thieves
God of War III
Assassin's Creed II
Red Dead Redemption
Final Fantasy XIII
Heavy Rain

Wii:
Super Smash Bros Brawl

PC:
Warcraft III
Warcraft III: Frozen Throne
Starcraft
Starcraft: Brood War
Call of Duty 4: Modern Warfare
Counter Strike

Can't put in order, that would be disrespectful to them.

Crash Bandicoot 2

Final Fantasy 7-9 (yeah other are good but these I played first and hold dearer memories)

Twisted Metal 2 (multiplayer mainly)

Championship Manager 3 00-01

Killer Instinct

Probably others but these are the ones I value more then others.

Zelda: The Ocarina of Time

Pokemon Yellow (GBC)

Super Smash Bros. (N64)

Uncharted 2 (PS3)

Metal Gear Solid 4 (PS3)

The Elder Scrolls: Oblivion (PS3)

God of War (PS2)

Pokemon Gold (GBC)

Yu Gi Oh: Dualist of Roses (PS2)

Tony Hawk's Pro Skater 3 (Gamecube)

I could make a top 30 list of games that I love, but these 10 are the stand outs. They are all perfect .