Games like Orcs Must Die! Deathtrap
Games like Orcs Must Die! Deathtrap include Orcs Must Die! 3, Risk of Rain 2, Orcs Must Die! 2, HELLDIVERS™ 2, and Warhammer 40,000: Space Marine 2. We matched them by the tags players give Orcs Must Die! Deathtrap on Steam (Tower Defense, Roguelite, Third-Person Shooter, Action, and Strategy): closest matches first, and among equally close ones the better-known games.

Orcs Must Die! 3
Shared: Tower Defense · Co-op · Third-Person Shooter

Risk of Rain 2
Shared: Third-Person Shooter · Co-op · Roguelite

Orcs Must Die! 2
Shared: Tower Defense · Co-op · Action

HELLDIVERS™ 2
Shared: Third-Person Shooter · Co-op · Action

Warhammer 40,000: Space Marine 2
Shared: Co-op · Action · Third-Person Shooter

Bloons TD 6
Shared: Tower Defense · Co-op · Strategy

Orcs Must Die!
Shared: Tower Defense · Action · Strategy

Plants vs. Zombies: Battle for Neighborville™
Shared: Third-Person Shooter · Tower Defense · Multiplayer

Bloons TD 5
Shared: Tower Defense · Co-op · Strategy

Dungeon Defenders
Shared: Tower Defense · Strategy · Multiplayer

ELDEN RING NIGHTREIGN
Shared: Co-op · Action · Roguelite

PUBG: BATTLEGROUNDS
Shared: Third-Person Shooter · Action · Co-op

Gang Beasts
Shared: Co-op · Action · Funny

Human Fall Flat
Shared: Co-op · Funny · Physics

Sanctum 2
Shared: Tower Defense · Co-op · Action

Gunfire Reborn
Shared: Roguelite · Co-op · Action

Saints Row: The Third
Shared: Co-op · Action · Third-Person Shooter

Warhammer: Vermintide 2
Shared: Co-op · Multiplayer · Roguelite

Grand Theft Auto V Legacy
Shared: Action · Multiplayer · Third-Person Shooter

RV There Yet?
Shared: Co-op · Funny · Multiplayer

PAYDAY 2
Shared: Co-op · Action · Multiplayer

PEAK
Shared: Co-op · Physics · Multiplayer

Monster Hunter: World
Shared: Co-op · Action · Multiplayer

How to Fish
Shared: Co-op · Multiplayer · Physics