Iron Man X-O Manowar in Heavy Metal © 1996 Acclaim Ent., Incorporated.
GAME ID: T-81398
It was a North American exclusive release.
* Level Select: Enter PKTPCN as password. The message 'You Da Man' will appear if entered correctly. Now, during the game, pause and hold either down, or up while unpausing the game. You will access the developer menu where you can select the level to play.
Game's ROM.