mmoAsteroids contains examples of:
- Asteroids Monster
- Everything Trying to Kill You: There are very few things you can't take damage from, including the walls in the maze.
- Flying Saucer: The only enemy type in the game
- Incredibly Durable Enemies: The UFOs can be particularly difficult to kill, especially early on.
- Space Is Noisy
- Unlockable Content
- Vector Game