"Find all the lost artifacts. With each level you will have to find a minimum required number of artifacts in order to advance. Collect the bonuses and avoid the traps. You can move horizontally and vertically but only if you are near a bubble. The arrow key or a,s,d,f to move and Left Mouse Button to teleport (the teleporter can be used only if it is fully charged). The lower you collect them, the most valuable the artifacts are."
