Gameboy/Nintendo DS: (This one may be redundant
)
1. Pokemon Ruby/Sapphire/Emerald
2. Pokemon Gold/Silver/Crystal
3. Pokemon Red/Blue (I hate Yellow...)
4. Final Fantasy Advanced: Tactics
5. Pokemon Black/White
Nintendo Entertainment System (NES)
1. Super Mario 3
2. Legend of Zelda
3. Super Mario 1
4. Gyromite
5. Crystalis
Nintendo 64
1. Paper Mario
2. Legend of Zelda: Ocarina of Time
3. Super Mario 64
4. Mario Kart
5. Pokemon Snap
Gamecube + Wii (I'm grouping them together, because my Wii plays more Gamecube games than anything):
1. Super Smash Bros. Melee
2. Legend of Zelda: Twilight Princess (Gamecube Version)
3. Sonic Adventure 2: Battle! (Mainly for the Chao's)
4. Gauntlet: Dark Legacy (Arcade-style RPG)
5. Tony Hawk's Pro Skater 4
Xbox/360: (I hopped on the XBOX train right before the 360 came out)
1. Fable
2. Call of Duty: Black Ops
3. Halo 2
4. Elder Scrolls: Oblivion
5. Elder Scrolls: Skyrim
PC:
1. The Sims (1, 2 and 3. They're all great, I've owned probably 70% of the series)
2. Rollercoaster Tycoon
3. World of Warcraft (I don't play it anymore, but I can't ignore the 5 years of my life that I spent playing it... Straight... Without so much as a bathroom break.)
4. Minecraft
5. League of Legends