Games like Boomer Grandma
Games like Boomer Grandma include DOOM Eternal, DOOM, ULTRAKILL, Warhammer 40,000: Boltgun, and Trepang2. We matched them by the tags players give Boomer Grandma on Steam (Boomer Shooter, Gore, Violent, Female Protagonist, and Fast-Paced): closest matches first, and among equally close ones the better-known games.

DOOM Eternal
Shared: Gore · Violent · Action

DOOM
Shared: Gore · FPS · Action

ULTRAKILL
Shared: Gore · Boomer Shooter · Fast-Paced

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

Trepang2
Shared: Gore · Violent · FPS

DUSK
Shared: Boomer Shooter · FPS · Fast-Paced

DOOM + DOOM II
Shared: Boomer Shooter · FPS · Action

DOOM 64
Shared: Action · Gore · FPS

CULTIC
Shared: Boomer Shooter · FPS · Action

Bright Memory: Infinite
Shared: Female Protagonist · Action · FPS

Prodeus
Shared: Boomer Shooter · Gore · FPS

Ion Fury
Shared: Boomer Shooter · Fast-Paced · FPS

Anger Foot
Shared: Boomer Shooter · Fast-Paced · FPS

DOOM: The Dark Ages
Shared: Action · Gore · FPS

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

Project Warlock
Shared: Boomer Shooter · Gore · FPS

Selaco
Shared: Boomer Shooter · Female Protagonist · FPS

Serious Sam 4
Shared: Gore · Action · Violent

I Am Your Beast
Shared: Gore · Boomer Shooter · Fast-Paced

Call of Duty®
Shared: FPS · Action · Shooter

Wolfenstein: Youngblood
Shared: Action · Female Protagonist · Violent

Turbo Overkill
Shared: Boomer Shooter · FPS · Action

Quake
Shared: FPS · Action · Gore

Rise of the Triad
Shared: Gore · Action · FPS