Games like Serious Sam 3: BFE
Games like Serious Sam 3: BFE include Left 4 Dead 2, Serious Sam HD: The First Encounter, Serious Sam II, Borderlands 2, and PAYDAY 2. We matched them by the tags players give Serious Sam 3: BFE on Steam (FPS, Action, Gore, Comedy, and Online Co-Op): closest matches first, and among equally close ones the better-known games.

Left 4 Dead 2
Shared: FPS · Co-op · Action

Serious Sam HD: The First Encounter
Shared: FPS · Action · Co-op

Serious Sam II
Shared: FPS · Action · Co-op

Borderlands 2
Shared: Action · FPS · Co-op

PAYDAY 2
Shared: Action · FPS · Co-op

PUBG: BATTLEGROUNDS
Shared: FPS · Action · Multiplayer

Call of Duty®
Shared: FPS · Action · Multiplayer

Blood and Bacon
Shared: Gore · Action · FPS

Back 4 Blood
Shared: FPS · Gore · Online Co-Op

Call of Duty®: Black Ops III
Shared: FPS · Action · Multiplayer

Serious Sam 4
Shared: Action · FPS · Gore

DOOM
Shared: FPS · Action · Gore

Borderlands: The Pre-Sequel
Shared: FPS · Action · Co-op

HELLDIVERS™ 2
Shared: Online Co-Op · Action · Co-op

Insurgency: Sandstorm
Shared: FPS · Action · Shooter

Starship Troopers: Extermination
Shared: Action · FPS · Online Co-Op

Borderlands 3
Shared: FPS · Multiplayer · Online Co-Op

Borderlands Game of the Year Enhanced
Shared: FPS · Co-op · Action

Killing Floor 2
Shared: Gore · FPS · Online Co-Op

Shadow Warrior 2
Shared: Action · Gore · FPS

How to Fish
Shared: Co-op · Online Co-Op · Multiplayer