Click the flag, then use arrow keys to play! The Space key at the beginning and end does not work the blue stuff is bouncy use blue to get to the door! But there are 4 characters for multiplayer! Ones invincible! Second person uses W up A left D right! Third person J up N left M right! Fourth person 5 up 1 left 3 right! Press up arrow, W, J & 5 at the same time at the start of each level!
Get some friends to join you!jw