Use the on-screen buttons to move and jump. Collect 100 fireflies to win. If you get stuck, try to find 3 key fragments to unlock a door.
Use the arrow keys or WASD to move and jump. You need to find 100 fireflies to win the game. Don't worry if you missed one, there are more than 100 total. You also need to find keys to unlock new areas. It takes 3 key fragments to make a whole key.