First All Players Get Jug and Flopper pHd with the Gursh Device,Ray Gun and the Thunder Gun.
Go by the Perk PHd and 3 Players Stay in the Red Room.
And the Fourth Player with Jug Runs Circles Around the Lander by pHd While the Other Players Shoot Out of the Hole by the Box the CRACK in the WALL.
On Round 29 Use the Box with a Crawler Zombie and Don't Stop Until You Have a Good Gun with a Lot of Ammo and Its Upgraded and Only Use the Black Hole When Some One Is Down.
At Round Thirty Zombies Will Not Stop Spawning for a Long Time So Dont Waste Your Ammo Let the 4th Player Throw Grenades Along with You Don Waste Your Ammo Its Important.
If You Survived You Should Use the Box or Upgrade a Weapon Off the Wall.
Keep Doing the Same Thing and I'm Sure You Will Make It to a High Round