Been playing early access. Nice game, its actually quite different from L4D.

First few hours learning the game is really fun. Fun factor drops down the hill after you realize most perks are behind a grindwall.

They also have a pointless card system. You have to grind Act 1 over and over again to fully unlock your character perks. Really boring system. Difficulty between Veteran and Nightmare is also too much. After playing ahwhile and know what to do, Veteran is way too easy.

Nightmare though is really impossible without proper cards. So you will be stuck with boring grinds on Veteran for a long time until you can even attempt Nightmare.

Can't recommend to buy this if they make further acts paywalled as DLC. Not worth the $60 imo. Having to play Act 1 over and over is not fun. They will at least need 5 acts to cover the grind involved or add another difficulty between Veteran and Nightmare.