Ice Climber (NES 1985) Game Genie Codes

OKEIPGVS - Infinite lives
ATKSALAZ - Become invincible
AEXKTGLA - Start with 1 life
IEXKTGLA - Start with 6 lives
AEXKTGLE - Start with 9 lives
GPUKOAZX - Super jumping power
ELKITLEY - Monsters bump you instead of killing you
VNSKXUNN + ZESKULPA - Players double speed
SNSKXUNN + LESKULPA - Players triple speed

Source: GameGenie.com