1. MOVEYour score is the distance you reach. Distance controls everything. Keep moving forward to unlock guns, to regen, to find loot.2. KILLThe further you go, the harder it gets. Get ready to kill your way through swarms of enemies.3. UPGRADEGet the biggest guns you can find. Stack as many passive perks as you can. But don't kill yourself with your new toys.4. GET CREATIVESkills won't be enough to survive, you’ll have to get creative to go further. Use the environment. Exploit the