what cheat is this? insane features

i dont have a menu screenshot or anything but these asians have the ability to get a BRDM under the map, he can no clip thru, and he can carry multiple tac packs, and he had unlimited mortar shots

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Most likely "private" or just being used by developer himself.
Theres many exploits which arent public (no spread, extended peek, teleport, skin changer, teleport punching etc.).
Saw this cheat which gives you "godmode" (cant take any damage including the blue zone) :lul:

Hacks name?