Excerpt: Retrolicious delights await those who purchase Gravity Crash for PlayStation 3. In fact, Gravity Crash is what happens when you mix the community aspects of Little BIG Planet with classics like Defender , Lunar Lander and Asteroids . All with visuals in the same style as Geometry Wars . How is that even possible? For a start, the level editor lets you build the landscape by adding and subtracting simple shapes.