Collect the gems to open the portals! In each level you have a prescribed number of gems that you will need to collect in order to open the portal in order to advance to the next stage. You can collect the gems by running by them or jumping and touching them. But watch out! There are enemies that are trying to stop you! Use the Z key to attack them with your sword. Use your arrow keys to control your character as you leap and run through each level. This is a one player game.