Yoshi's Squirrel Slayer is a FPS game for the 3DS and Wii U. You must control Yoshi and throw eggs at squirrels until they die. The squirrels can also be eaten, too.
Story Mode-Play through the regular game and kill every squirrel you see.
Multiplayer-Play through Story Mode but with 1-3 friends.
Battle Mode-Yoshis must face each other in arenas by killing each other with Yoshi Eggs. This mode also has multiplayer and online modes.
Squirrels have taken over Yoshi's Island,and Yoshi must stop them. The only way to do that is by killing them with Yoshi Eggs. Yoshi goes through seven worlds and realizes that Kamek is the leader of the squirrels. Yoshi and Kamek have an epic showdown. Yoshi wins, and peace is restored to Yoshi's Island.