Games like Fat Prisoner Simulator 3
Games like Fat Prisoner Simulator 3 include Undisputed, Session: Skate Sim, Goat Simulator, Farming Simulator 25, and Totally Accurate Battle Simulator. We matched them by the tags players give Fat Prisoner Simulator 3 on Steam (Simulation, Sports, Idler, Fighting, and 3D): closest matches first, and among equally close ones the better-known games.

Undisputed
Shared: 3D · Third Person · Sports

Session: Skate Sim
Shared: Sports · Simulation · Realistic

Goat Simulator
Shared: Simulation · Funny · Comedy

Farming Simulator 25
Shared: Simulation · 3D · Realistic

Totally Accurate Battle Simulator
Shared: Simulation · Realistic · Funny

Ultimate Fishing Simulator
Shared: Simulation · Sports · 3D

Euro Truck Simulator 2
Shared: Simulation · Realistic · Relaxing

Planet Coaster
Shared: Simulation · Relaxing · Realistic

Placid Plastic Duck Simulator
Shared: Simulation · 3D · Relaxing

ScooterFlow
Shared: Simulation · Sports · Realistic

Liftoff®: FPV Drone Racing
Shared: Simulation · Sports · Realistic

Fishing Planet
Shared: Simulation · Sports · Realistic

Crime Scene Cleaner
Shared: Simulation · Relaxing · Atmospheric

Fat Prisoner Simulator
Shared: Sports · Simulation · Fighting

Steep™
Shared: Sports · Simulation · Atmospheric

Half Sword
Shared: Simulation · Realistic · Fighting

Uncrashed : FPV Drone Simulator
Shared: Simulation · Sports · Realistic

Mr.President!
Shared: Simulation · Realistic · Memes

CarX Drift Racing Online 2
Shared: Simulation · Sports · 3D

Internet Cafe Simulator 2
Shared: Simulation · 3D · Memes

American Truck Simulator
Shared: Simulation · Realistic · Relaxing

IRON NEST: Heavy Turret Simulator
Shared: Simulation · 3D · Realistic

Shredders
Shared: Sports · Realistic · 3D

Quarantine Zone: The Last Check
Shared: Simulation · 3D · Realistic