If you are having trouble beating this game read on to see some help on it:
1. Go to the right, cross the lava pool, keep on going right and get the green key so you can get the blue key.
2. Go to the car and drive it down the tunnel to kill all of the ninjas so you can get the yellow key.
3. Go back to where you started and this time go to the left across the lava and through the gates to the teleporter which will lead you to another teleporter which teleports you to the crystals.