dodge falling rocks and trying not to hit the edge. its simple and boring at first, but it gets harder (like way harder) tectonic plates will move around sometimes and make small gaps to fit through. use left and right to steer and up arrow key to thrust. space to shoot
you can see where a falling rock is going to hit next make good use out of your life (as in don't waste your 3 lives on the game) focus on the rocket these are not rules, these are just tips