Alien Complex

Today, you will be fighting against aliens. Everything is taking place on locations where mutants are being made. Its them who want to blow up the earth and appear randomly during your travels. You need to collect weapons, kill the mutants and stay alive for as long as you can. don't forget to get through all seven floors! You have unlimited ammo in your default gun, but you are limited by the number of lives you have. Make sure to not get killed then!