alServCoopRebirth2 is changed copy of alServcoop 2018, there is no buy system, instead of that is item drops. When player kill SI(special infected) he may drop Gun, meele, laser, health item and other. 10 players, 130 custom maps. Some custom maps are added from gungame 2021 server, and is available to play there, like space jockey series, citycenter apocalipse, gunk, loony park, and others.
Minor change is special witch, which one not kill instantly, instead she incap and make BW survivor, and she got special powers (helmet on head to prevent CROWNing, may be invisible and you see only helmet, she may feed with life energy of fallen survivor, may spawn hordes...)
Other change is more than 100 different tanks spawned on random, called - mutant tanks, and that is more fun and entertainmenting than 16 supertanks plugin (mutant tank is build on base of supertanks)