Sega Genesis games?!

Subterrania. Streets of Rage was good too.

 

i like beyond oasis and sonic 3d blast

 

Comic Zone, Earth Worm Jim, Sonic 3, Madden, also I forgot the name of the game but the character used his head to kill people and the powerups were different heads.

 

Dynamite Headdy.

 

Space Invaders '91
Fire Shark

 

Kid Chamelion if you want a challenge.
Gain Ground