Electronic Devices is/was an Italian studio, while 3D Games is/was a British one.
button 1 - punch/pick up items/use weapons(mostly guns, but there are some melee weapons)
button 2 - jump/other weapons(boomerang)/throw weapons used by 1
button 3 - kick
forward & 1 - jumping elbow(player 1 character only)
forward & 2 - long distance somersault(can't be turn into an attack)
forward & 3 - handstand kick(player 1 character only)
2, 1 - jump kick(yeah, with the punch button)
2 & 3 desperation(turns into a tornado viz Taz, that the player can control, for about 4 seconds, only loses health if it connects)
double tap Left/Right - run
run, 1 - jumping elbow/running punch
run, 2 - side jump kick/jumping straight kick
run, 3 - regular kick
walk into enemy - grab
grab, 1 - throw
Button mashing mini games to restore health, and gain more score. There does appear to be at least one pickup that can hurt your characters, a flashing box with a black skull on it. The alternate running moves are what the 2nd player character does.