Ive got some cool custom game slayer variations that are super fun to play on and my friends love them. All of them include infinite ammo.
Energy Sword, Gravity hammer, weapon pickup disabled,
Shotgun, Energy Sword, 125% speed, 50% gravity, poor camo
Spartan Laser, weapon pickup enabled
Plasma pistol, max gravity,weopon pickup disabled, have some plasma turrets on the map but no machine turrets.
Hide and Seek:
Energy Sword, Magnum, good camo, weapon pickup enabled
(I forget the name for this one.):
Sniper rifle, brute shot, weapon pickup enabled