Idk, game aged poorly. After Doom Eternal and tons of modern retro shooters this game is like a joke, tecno demo of an engine they say, and it is. I was enjoying it in childhood, but know, after all this years, when i try to replay it with my friend we was so annoyed of it. I like exploring and finding secrets, i'm playing games very pationedly for details and literally walk everywhere i can reach for and checking every pixel that i can, and secrets are fine, even if 90% of them is death traps on highest difficulty or just very annoying situations. But gameplay... gunplay is OKAY, and you forced to switch your weapons very often, BUT GAME IS DO NOT LIKE IT and animation is veeeeeeeeeeery long, also level design very unstable: sometimes level is interesting and fun, but sometimes... Anyway, it has too much different versions and i replayed it in coop so idk, maybe not all versions that bad. Anyway most of level and game design is very... niche? And gunplay and gameplay overall for modern standarts is just weak. Play Siberian Mayhem))) It's much better)