You play as a bat, and you can't see very well in this dark cave. Therefore, you must use echo location to navigate the cave and reach the portal to the next level. -Arrow Keys to move -Space to use your echo location ability; aim with the mouse-pointer -The echoes will stop moving once they touch the cave's walls. Use this fact to navigate the cave. -If you touch the cave walls, you have to restart the level. -Touch the portal to go to the next level. -There are moving platforms too!
