A and D to move, E when on the doors to move to other platform, mouse to shoot, and 1 2 3 4 for different weapons. getting hit by lightning will empty your ammo clip. game gets progressively harder press 5 to repair base (cost 400 credits)
1: pistol (perfect accuracy and 3 damage per shot, semi) 2: smg (60% accuracy and 1 damage per shot, auto fast) 3: rifle (80% accuracy and 2 damage per shot, auto mid) 4: shotgun (0% accuracy and 2 damage per pellet, auto slow) ammo count: 1=12 , 2=45 , 3=30 , 4=4