Arrow keys or WASD to move, aim with your mouse. Click to shoot. Press 1 and 2 and 3 and 4 and 5 to switch between pistol, machine gun, Rocket Launcher, SMG and shotgun. You can now switch to mine and laser gun and the spread shot and the buster sword and guided missile as soon as you reach their respective point thresholds. Press P to open the shop You can upgrade every gun up to 12 times. 4 for each upgrade. New guns and even later game content is constantly being added. (Late game being past 1000 score. A good score to aim for would be 7000. So far, no one has reached the final battle at 10000 points. While using Rocket Launcher or Guided Missile, press space to detonate
