I think it was 50 years ago, 50 long years ago...
As we had to leave our planet due to a comet in order to search a new home. But all that we had found was fear and death because creatures from another world attacked our planet. They destroyed our houses and killed everyone who was in. But we aren't defeated jet.
And this is a battle: In a little laboratory, we're searching day and night for a weapon to beat these creatures.
How to play: Click the mouse to shoot to kill odd creatures and find the way to seek them.