I'm not sure what's wrong, but only the prototype level doesn't work for me performance wise. It's probably something my dual core processor just can't handle. What I will say, is that the guns are fun to play with, and the dinosaurs have nice textures and models. I'm kind of disappointed that there isn't a giveweapon command. I can list the weapon types, but can't give any. From what I was able to play with, it seems great so far.
AMD Anthlon II X2 240 - 2 Cores, 2 threads, 2.8 GHz
4 GBs DDR3 RAM
ZOTAC GeForce GTX 1050
Yeah, my processor is a potato. The predominant cause of my problems.