Games like Ragdoll Party Online
Games like Ragdoll Party Online include Garry's Mod, People Playground, Totally Accurate Battle Simulator, Space Engineers, and Scrap Mechanic. We matched them by the tags players give Ragdoll Party Online on Steam (Simulation, Action, Indie, Sandbox, and Funny): closest matches first, and among equally close ones the better-known games.

Garry's Mod
Shared: Sandbox · Funny · Building

People Playground
Shared: Sandbox · Simulation · Physics

Totally Accurate Battle Simulator
Shared: Simulation · Sandbox · Funny

Space Engineers
Shared: Sandbox · Simulation · Building

Scrap Mechanic
Shared: Sandbox · Building · Multiplayer

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

Wobbly Life
Shared: Simulation · Sandbox · Multiplayer

Human Fall Flat
Shared: Funny · Sandbox · Multiplayer

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

Kerbal Space Program
Shared: Simulation · Sandbox · Building

Gang Beasts
Shared: Action · Funny · Multiplayer

Goat Simulator
Shared: Simulation · Funny · Sandbox

Arma 3
Shared: Action · Simulation · Multiplayer

House Flipper
Shared: Simulation · Building · Sandbox

Rust
Shared: Multiplayer · Building · Sandbox

Fireworks Mania - An Explosive Simulator
Shared: Sandbox · Building · Multiplayer

Brick Rigs
Shared: Sandbox · Building · Simulation

BeamNG.drive
Shared: Simulation · Sandbox · Physics

Terraria
Shared: Sandbox · Multiplayer · Building

Ravenfield
Shared: Action · Sandbox · Singleplayer

RV There Yet?
Shared: Funny · Multiplayer · Online Co-Op

Grand Theft Auto V Legacy
Shared: Action · Multiplayer · Singleplayer

Raft
Shared: Multiplayer · Building · Sandbox

Teardown
Shared: Sandbox · Indie · Physics