AstroFleas - Version 1.5 Insects Invaders (a Space Invaders-style shooting game). Save the Earth from space insects invaders.The classic of arcade game.The planet the Earth is attacked by insects invaders, you need to shoot them before they shoot you. AstroFleas is a really cool looking (and playing) Space Invaders variant, which includes 35 levels of shooting action. There are several improvements over the classic space game including unusual behaviour invaders, and tens of new enemies to battle.