A Bug’s Life (Unl) – Play Online SEGA Genesis

A Ressha de Ikou MD (Japan) – Play Online SEGA Genesis

AAAHH!!! Real Monsters (USA, Europe) – Play Online SEGA Genesis

Aa Harimanada (Japan) – Play Online SEGA Genesis

Action 52 (USA) (Alt) (Unl) – Play Online SEGA Genesis

Action 52 (USA) (Unl) – Play Online SEGA Genesis

Addams Family Values (Europe) (En,Fr,De) – Play Online SEGA Genesis

Addams Family, The (USA) (Beta) – Play Online SEGA Genesis

Addams Family, The (USA, Europe) – Play Online SEGA Genesis

Advanced Busterhawk Gleylancer (Japan) [En by MIJET v20061023] – Play Online SEGA Genesis

Advanced Busterhawk Gleylancer (Japan) – Play Online SEGA Genesis

Advanced Daisenryaku – Deutsch Dengeki Sakusen (Japan) (Rev A) [En by Nebelwurfer v0.95] (~Advanced Military Commander) (Incomplete) – Play Online SEGA Genesis

Advanced Daisenryaku – Deutsch Dengeki Sakusen (Japan) (Rev A) – Play Online SEGA Genesis

Adventures of Batman & Robin, The (Europe) – Play Online SEGA Genesis

Adventures of Batman & Robin, The (USA) – Play Online SEGA Genesis

Adventures of Mighty Max, The (Europe) – Play Online SEGA Genesis

Adventures of Mighty Max, The (USA) – Play Online SEGA Genesis

Adventures of Rocky and Bullwinkle and Friends, The (USA) – Play Online SEGA Genesis

Aero Blasters (Japan) – Play Online SEGA Genesis

Aero the Acro-Bat (Europe) – Play Online SEGA Genesis

Aero the Acro-Bat (USA) – Play Online SEGA Genesis

Aero the Acro-Bat 2 (Europe) – Play Online SEGA Genesis

Aero the Acro-Bat 2 (USA) – Play Online SEGA Genesis

Aerobiz (USA) – Play Online SEGA Genesis

Aerobiz Supersonic (USA) – Play Online SEGA Genesis

After Burner II (Japan) – Play Online SEGA Genesis

After Burner II (USA, Europe) – Play Online SEGA Genesis

Air Buster (USA) – Play Online SEGA Genesis

Air Diver (Japan) – Play Online SEGA Genesis

Air Diver (USA) – Play Online SEGA Genesis

Air Management II – Koukuuou o Mezase (Japan) – Play Online SEGA Genesis

Air Management – Oozora ni Kakeru (Japan) – Play Online SEGA Genesis

Akira (Prototype) – Play Online SEGA Genesis

Akumajou Dracula – Vampire Killer (Japan) – Play Online SEGA Genesis

Aladdin (Europe) – Play Online SEGA Genesis

Aladdin (Japan) – Play Online SEGA Genesis

Aladdin (USA) (Beta) – Play Online SEGA Genesis

Aladdin (USA) – Play Online SEGA Genesis

Aladdin II – Play Online SEGA Genesis

Alex Kidd in the Enchanted Castle (Europe) (Alt) – Play Online SEGA Genesis

Alex Kidd in the Enchanted Castle (Europe) – Play Online SEGA Genesis

Alex Kidd in the Enchanted Castle (USA) – Play Online SEGA Genesis

Alex Kidd – Cheongong Maseong (Korea) – Play Online SEGA Genesis

Alex Kidd – Tenkuu Majou (Japan) – Play Online SEGA Genesis

Alien 3 (USA, Europe) (v1.1) – Play Online SEGA Genesis

Alien 3 (USA, Europe) – Play Online SEGA Genesis

Alien Soldier (Europe) – Play Online SEGA Genesis

Alien Soldier (Japan) – Play Online SEGA Genesis

Alien Storm (World) – Play Online SEGA Genesis

Alisia Dragoon (Europe) – Play Online SEGA Genesis