Player 1 (Top) : Jump - Up arrow & Duck - Down arrow. This player must collect all the nice/happy items in the game while avoiding the nasty ones. Running in to pipes and logs will harm him and take the health bar down, aiding the other player. The aim for this player is to fill the health bar.
Player 2 (Bottom) : Jump - W & Duck - S. This player must collect all the nasty objects and avoid anything nice. This player intentionally wants to hurt themselves. Collecting nice objects will help the other player. The aim of this player is do empty the health bar.
For Web Player Unity Player must be installed. if Already installed, just allow Blocked Content.