This game is exclusively for 2. You have to move those ninja ducks to make them reach the treasure key and go to the chest after getting coins that exist in them... A player move with the arrow keys, the other player by pressing A and D. One player jumps with the W and the other with the up arrow of the keyboard.
Your goal is reach faster than your opponent. To do it, you have to jump to the ceiling. Press space bar to jump. You can play alone, against your PC or a friend.