Games like Serious Sam 3 VR: BFE
Games like Serious Sam 3 VR: BFE include DOOM Eternal, Pavlov, Serious Sam Fusion 2017 (beta), DOOM, and Trepang2. We matched them by the tags players give Serious Sam 3 VR: BFE on Steam (Gore, Action, Indie, Violent, and Boomer Shooter): closest matches first, and among equally close ones the better-known games.

DOOM Eternal
Shared: Gore · Action · FPS

Pavlov
Shared: VR · Action · Gore

Serious Sam Fusion 2017 (beta)
Shared: Gore · Action · Indie

DOOM
Shared: Gore · Action · FPS

Trepang2
Shared: Gore · Action · FPS

Prodeus
Shared: Gore · Action · Boomer Shooter

Serious Sam VR: The Last Hope
Shared: Action · Gore · VR

Wolfenstein II: The New Colossus
Shared: Action · Gore · FPS

Bright Memory: Infinite
Shared: Action · Indie · FPS

ULTRAKILL
Shared: Gore · Boomer Shooter · FPS

Serious Sam 4
Shared: Gore · Action · FPS

Warhammer 40,000: Boltgun
Shared: Boomer Shooter · Action · FPS

Turbo Overkill
Shared: Action · Boomer Shooter · FPS

HROT
Shared: Boomer Shooter · Action · FPS

Call of Duty®
Shared: Action · FPS · Shooter

CULTIC
Shared: Action · Boomer Shooter · FPS

GORN
Shared: Gore · VR · Action

GoreBox
Shared: Gore · Violent · FPS

BONELAB
Shared: VR · Action · Violent

Maximum Action
Shared: Gore · Action · Violent

Bulletstorm: Full Clip Edition
Shared: Gore · Action · Violent

Contractors
Shared: Action · VR · Violent

Ready or Not
Shared: FPS · Shooter · Action

My Friend Pedro
Shared: Action · Gore · Indie