Came here to say this, just because it has voxel style graphics doesn't make it a boomer shooter. I would say it's definitely a regular FPS in the style of Battlefield or modern CoD vs a boomer shooter like Wolfenstein or modern examples like Warhammer 40k: Boltgun or Ultrakill.
I agree, it is a very fun game and captures the classic chaotiveness that I got from playing Battlefield 2 back in the day.