Gravitron 2 achievements

Destroy 20 fuel pods.

Destroy 250 enemies.

Complete any stage over 5 in under 1 minute.

Guide a missile into an enemy.

Destroy an enemy with a reflection.

Complete any stage over 5 without destroying any enemies.

High shots fired to kill ratio. Must destroy atleast 20 enemies.

Complete any stage over 5 without hitting anything.

Rescue 100 scientists.

Complete the entire game.