The astronaut featured here in the game finds himself trapped in a dangerous situation. As always, space proves to be the most dangerous place to be in. Hyper jump is the last and the only hope for the astronaut... but first he has to load the reactor with the energy rods. To make life even more difficult for the astronaut, the aliens start their infestation there and they keep transforming and becoming monsters that are more ferocious. Help the astronaut in his endeavors and also help him use various weapons to take down the evil aliens. Keep unlocking more levels and more challenges that will test every bit of your skills. Mutant Alien Assault is one of our many Action Games that we publish on TheGamerStop.com. This game is also tagged as a Alien game. Click the play button to start having fun. To play even more free games, view our popular and new games page. If you want to play more games like this, then you can simply check out the games inside the game tags that are the most relevant to your interests or the Action Games category or the games like this game page at the end of the game tags.