1 - Sonic The Hedgehog

2 - Probotector (Contra)

3 - Phantasy Star 4

4 - Shining Force 2

5 - Toe Jam And Earl

1. Gunstar Heroes

2. Strider

3. Shining Force 2

4. Phantasy Star IV

5. Shining Force

1. Golden Axe

2. Sonic 3

3. Streets of Rage

4. Sonic The Hedgehog

5. Mortal Kombat 2

1. Gunstar Heroes

2. LandStalker: The Treasures of King Nole 

3. Phantasy Star: The End of the Millenium

4. Sonic the Hedgehog 2

5. Beyond Oasis

special mentions: Herzog Zwei, Strider, Monster World III-IV, Castle of Illusion, Shining Force I-II, Ranger-X, Dynamite Headdy, Rocket Knight Adventures, MUSHA, Panorama Cotton, Virtua Racing, Ristar, Crusader of Centy, Shining in the Darkness, Streets of Rage 2-3, Castlevania Bloodlines, Sonic 3 & Knuckles, The Wily Wars, Phantasy Star II, Contra Hard Corps, Quackshot, Shinobi 2-3, Comix Zone, Thunder Force II-IV, Warsong, Mega Bomberman, Pulseman, Super Fantasy Zone, Target Earth, Joe & Mac and too many others!  Genesis was AMAZING!

Am I the only one counting S3&K as a game?

Nope I did to.

1. sonic 2
2. sonic 1
3. bomber man
4. sonic 3d

had it when I was about 4 or 5 so can't remember most of the games sonic 1 was my cousins never actually owned so I haven't played much of it. don't have my mega drive any more so I cant even check the collection I had. that was probably all the games I had anyway. :(

1. Gunstar Heroes

2. Sonic the Hedgehog 2 

3. Comix Zone

4. Sonic the Hedgehog

5. Vectorman

1. Castle of Illusion Starring Mickey Mouse

2. Aladdin

3. Sonic and Knuckles

4. Gunstar Heroes 

5. Columns

I forgot about Flashback and Another World. Those games were awesome for their time.