Games like Don't Cheat On Me
Games like Don't Cheat On Me include Arma 3, Who's Your Daddy?!, Garry's Mod, Squad, and Stardew Valley. We matched them by the tags players give Don't Cheat On Me on Steam (Action, Simulation, Casual, Multiplayer, and First-Person): closest matches first, and among equally close ones the better-known games.

Arma 3
Shared: Action · Multiplayer · Simulation

Who's Your Daddy?!
Shared: Multiplayer · Simulation · First-Person

Garry's Mod
Shared: Multiplayer · Casual · First-Person

Squad
Shared: Multiplayer · PvP · Action

Stardew Valley
Shared: Multiplayer · Simulation · Life Sim

Arma Reforger
Shared: Simulation · Action · Multiplayer

Schedule I
Shared: Simulation · Multiplayer · First-Person

Mount & Blade II: Bannerlord
Shared: Multiplayer · Action · Simulation

PUBG: BATTLEGROUNDS
Shared: Multiplayer · Action · PvP

House Flipper
Shared: Simulation · Multiplayer · Casual

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

WARDOGS
Shared: Action · Multiplayer · PvP

Supermarket Simulator
Shared: Simulation · Multiplayer · First-Person

Plague Inc: Evolved
Shared: Simulation · Multiplayer · Casual

Liars Bar
Shared: Casual · Multiplayer · PvP

PowerWash Simulator
Shared: Casual · Simulation · Multiplayer

Streamer Life Simulator
Shared: Simulation · Casual · Life Sim

Bodycam
Shared: Multiplayer · Realistic · First-Person

Gang Beasts
Shared: Action · Multiplayer · Casual

Streamer Life Simulator 2
Shared: Simulation · First-Person · Casual

The Ship: Murder Party
Shared: Action · Multiplayer · First-Person

Witch It
Shared: Multiplayer · Casual · Action

Call of Duty®
Shared: Multiplayer · Action · First-Person

Arma 2: Operation Arrowhead
Shared: Simulation · Action · Multiplayer