Games like Pro Gymnast Simulator
Games like Pro Gymnast Simulator include Session: Skate Sim, Totally Accurate Battle Simulator, BeamNG.drive, Garry's Mod, and Mr.President!. We matched them by the tags players give Pro Gymnast Simulator on Steam (Physics, Simulation, Difficult, Sports, and 2.5D): closest matches first, and among equally close ones the better-known games.

Session: Skate Sim
Shared: Simulation · Sports · Realistic

Totally Accurate Battle Simulator
Shared: Simulation · Physics · Funny

BeamNG.drive
Shared: Simulation · Physics · Realistic

Garry's Mod
Shared: Physics · Simulation · Funny

Mr.President!
Shared: Simulation · Realistic · Physics

skate.
Shared: Action · Sports · Controller

Goat Simulator
Shared: Simulation · Physics · Funny

Wreckfest
Shared: Simulation · Physics · Sports

Poly Bridge
Shared: Physics · Simulation · Difficult

Noita
Shared: Physics · Difficult · Simulation

ScooterFlow
Shared: Simulation · Sports · Physics

Assetto Corsa
Shared: Simulation · Sports · Realistic

I Am Bread
Shared: Simulation · Physics · Difficult

People Playground
Shared: Physics · Simulation · Sandbox

Kerbal Space Program
Shared: Simulation · Physics · Sandbox

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

BONEWORKS
Shared: Physics · Action · Simulation

Kerbal Space Program 2
Shared: Physics · Difficult · Simulation

Cooking Simulator
Shared: Simulation · Physics · Realistic

Total Tank Simulator
Shared: Simulation · Action · Physics

BMX Streets
Shared: Simulation · Sports · Realistic

Fun with Ragdolls: The Game
Shared: Physics · Simulation · Action

Skater XL - The Ultimate Skateboarding Game
Shared: Sports · Physics · Simulation

Surgeon Simulator
Shared: Simulation · Physics · Difficult