Move with WASD Survive by collecting oxigen and natural resources with the space key Collecting oxigen will increase the blue bar and natural resources the green one You can build plant capsules with the 1 key and drills with the 2 key There is a timer and once it reaches 0, the alien will spawn You can decrease the alien's health by making it collide with buildings, but it will destroy them The more times the aliens spawn, more health it will have
