The arrows control the red one and w a s d control the green one to change the gun press for the red player 8 and 9 and for the green player 1 and 2 to shoot for the red one press space to shoot for the green one press R ENJOY!!!!
credits @warfame. there is a miner thing i need to fix otherwise it's just fine there are no zombies just you and a friend playing and trying to shoot each other and win