Is This a Doom Clone?

It is definitely not choplifter, is what i wanted to get out in front and say. Topiter is always chopi. It's super metal, like the game wants to be bad assnot shotgun. But shotgun, sopeyoudii get so far. Werswhat is thissis stupid? It sounds buas he punchin something. No, he's shooting. It's a bad, it's lus o him sane. Anyway, any ideas? I'll giveyou another hint. The company who made it are now gigantic. Ta, early ninet ninantic. They're gigantic, meaning they're huge. Anda, they're also a little embattled right