List of Elements that Require Art
Obstacles -
- Terrestrial Moon
 - Vulcanian Moon
 - Cryogenic Moon
 - Neutralized Moon
 - Terrestrial Asteroid
 - Vulcanian Asteroid
 - Cryogenic Asteroid
 - Neutralized Asteroid
 - Terrestrial Comet
 - Vulcanian Comet
 - Cryogenic Comet
 
Other assets -
- Spaceship
 - Bullet
 - Background in Game
 - Background on Planet / Level selection screen
 - Life icon
 - Planets
 - Overheat meter
 
Animations -
- A different animation for each obstacle being destroyed