Ice Climber © 1985 Hudson Soft [Hudson Group].
CONTROLS:
[4] [6]: 1P Player movement.
[_]: 1P Jump. (Hit the ice on the ceiling)
[?]: 1P Swing the hammer. (Attack the enemy)
[C] [B]: 2P player movement.
[Q]: 2P Jump. (Hit the ice on the ceiling)
[TAB]: 2P Swing the hammer (attack the enemy)
[2] [8]: Choose the number of players.
[SPACE]: Game start.
Released in October 1985 in Japan. The retail price was 4800 Yen.