Classic NES Series: Ice Climber is a port of the original NES game for the Game Boy Advance, released in 2004 as part of the Classic NES Series. In this platformer, players take on the roles of Popo and Nana, two climbers who scale treacherous mountains to retrieve stolen vegetables from a giant condor. The game is known for its challenging vertical platform levels and precise jump mechanics. Players use mallets to bash through ice and enemies as they ascend each stage, with cooperative play allowing a second player to join in the ascent.