Defendin' DePenguin (USA) (日本語タイトル: ペンギン大作戦) is a Nintendo DS game developed by Nintendo EAD and published by Nintendo. The game is a tower defense game in which the player takes control of a group of penguins who must defend their eggs from an onslaught of enemy creatures. The game is set in an icy environment and the player must use various towers and traps to prevent the enemies from reaching the eggs. The player can also use power-ups and special abilities to gain an edge in battle. The game features multiple levels and a variety of enemies, each with their own abilities and weaknesses. The game also features a two-player mode, in which two players can battle against each other on the same map. Defendin' DePenguin is an exciting and challenging tower defense game that is sure to provide hours of fun.