Your aim is to survive for as many days as you can in a dense jungle and surrounded by numerous zombies who are attacking you. Every day you will get instructions about your new mission and you have to accomplist it to proceed further in the game. At the end of each day you can buy or upgrade weapons and repair your base using the money you earned. Use "A", "S", "D", "W" KEYS to move, hit "R" KEY to reload your weapons. Use YOUR MOUSE to aim and click LEFT MOUSE BUTTON to shoot primary weapon. Press SPACEBAR to shoot secondary weapon. You can change primary and secondary weapons by pressing "Q" and "E" KEYS. Good luck!