The game operation is very easy, sweep the aliens, but don’t hurt other soldiers.
- After selecting the gun, drop coins in the corresponding dropper, and then press the START button.
- Choose STORY mode to start from the beginning; or CHAPTER mode to choose the starting level. You can disable chapter mode in the OPERATOR MENU. For the method, please refer to Chapter 11 Game Adjustments Menu.
- In the base, shoot aliens with guns, grenades, flamethrowers or rockets!
- Do not shoot other soldiers, it will reduce your health!
- Shoot at the weapons and medicine boxes that appear to increase your ammunition and health. Pay attention to obtaining fuel for weapons and flamethrowers for specific purposes.
- When your game is about to end, a countdown will appear on the screen. To continue, insert a coin in the coin acceptor next to you, and then press the START button.