Games like Bit-Boom
Games like Bit-Boom include Ready or Not, Half-Life 2, Warhammer 40,000: Boltgun, BioShock Infinite, and Black Mesa. We matched them by the tags players give Bit-Boom on Steam (Indie, Adventure, FPS, Retro, and Action): closest matches first, and among equally close ones the better-known games.

Ready or Not
Shared: FPS · Shooter · Singleplayer

Half-Life 2
Shared: FPS · Action · Adventure

Warhammer 40,000: Boltgun
Shared: FPS · Retro · Pixel Graphics

BioShock Infinite
Shared: Action · FPS · Adventure

Black Mesa
Shared: FPS · Action · First-Person

SANABI
Shared: Pixel Graphics · Action · Adventure

DUSK
Shared: FPS · Retro · Shooter

Shovel Knight: Treasure Trove
Shared: Indie · Retro · Pixel Graphics

Prodeus
Shared: FPS · Retro · Indie

Devil Daggers
Shared: Indie · FPS · Action

Far Cry 3
Shared: FPS · Adventure · Action

SUPERHOT
Shared: FPS · Indie · Action

HROT
Shared: FPS · Retro · Indie

Atomic Heart
Shared: Adventure · FPS · Action

Selaco
Shared: FPS · Action · Retro

Half-Life
Shared: FPS · Action · Singleplayer

KovaaK's
Shared: Indie · Action · FPS

Half-Life: Opposing Force
Shared: FPS · Action · Adventure

Wolfenstein 3D
Shared: FPS · Retro · Action

Broforce
Shared: Action · Pixel Graphics · Indie

Aimlabs
Shared: FPS · Action · Shooter

Metro Exodus
Shared: FPS · Action · Singleplayer

Skul: The Hero Slayer
Shared: Indie · Action · Pixel Graphics

Call of Duty®
Shared: FPS · Action · Singleplayer