Bio Menace Codes -

Weapons:
Press C + A + T for the machine gun, 99 rounds of ammunition and 99 grenades.

Super plasma bolt:
Hold [Up Arrow] until a charging sound is heard, then fire.

Fireballs:
Alternately turn left and right approximately seven times, then fire.

Shield:
Alternately turn left and right approximately seven times, then jump.

God mode:
Hold [Up Arrow] for approximately two seconds, then press [Down Arrow] for temporary invincibility.