Fun game, the main route is challenging, but overall a lot of fun (except for the Volcano Dome, being able to win that one is too random). I wish the bots and armor would actually do different things instead of just increasing health (e. g. an armor that's good against lasers but weak against machine guns). The rwards for beating the game are also pretty cool, I just wished there was some bonus levels to really put the final weapon to the test. But there was one major problem for me with this game: The challenges are insane! Were they actually play-tested? I found them way too hard. With my best effort, I could only beat three of them.