Two players can play at the same time.
Many small enemies attacking at the same time. Be careful, you'll die from just one hit.
Avoiding acidic drops coming from the monsters above...
Floating eye-balls on the third level, the crystal caves.
Fighting a mini-boss in the middle of the stage.
The final boss on the third level.
The enemies fly in predefined patterns and formations.
Cute suicidal robots. They make kamikaze-jumps, trying to land on you.
If you press the fire button, and hold it for a couple of seconds, you will fire a bigger, more powerful shot.
This boss is very difficult. The shields I have above and below me is a great help though.
Oh no, these aliens have cornered me, and I'm just about to die.