Playstation 1
1. Crash Bandicoot 2. Spyro the Dragon 3. Rayman 4. Tekken 2 5. Crash Team Racing
Gamecube
1. Metroid Prime 2. Legend of Zelda Wind Waker 3. Mario Kart Double Dash 4. Super Smash Bros Melee
5. Tales of Symphonia
Gameboy Advance
1. Metroid Fusion 2. Advance Wars 3. Pokemon Ruby 4. Castlevania Aria of Sorrow 5. Super Mario World
(Most of the hd defining games are multiplatform for me but I'll still list them seperately I suppose)
Xbox 360 PS3
1. Halo 3 1. Bioshock
2. Bioshock 2. Elder Scrolls 4
3. The Orange Box 3. Valkyria chronicles
4. Elder Scrolls 4 4. Portal 2
5. Left 4 Dead 5. Uncharted 2
Nintendo DS
1. The World Ends with You 2. Mario and Luigi, Bowser's Inside Story 3. Advance Wars Duel Strike
4. Kirby Canvas Curse 5. Elite Beat Agents
Overall the consoles I've had the fondest memories with would definetly be playstation one and gamecube. Im not going to bother listing my gameboy color games, because other than mario bros, some dinosaur game, and pokemon blue and crystal, I have forgotten all of them.