Games like All On Board!
Games like All On Board! include Tabletop Simulator, Garry's Mod, UNO, Totally Accurate Battle Simulator, and Bloons TD 6. We matched them by the tags players give All On Board! on Steam (Board Game, Tabletop, Simulation, Sandbox, and Immersive Sim): closest matches first, and among equally close ones the better-known games.

Tabletop Simulator
Shared: Board Game · Tabletop · Simulation

Garry's Mod
Shared: Sandbox · Multiplayer · Physics

UNO
Shared: Tabletop · Board Game · Multiplayer

Totally Accurate Battle Simulator
Shared: Simulation · Sandbox · Physics

Bloons TD 6
Shared: Multiplayer · Strategy · Sandbox

Wobbly Life
Shared: Sandbox · Simulation · Multiplayer

PowerWash Simulator
Shared: Simulation · Multiplayer · Sandbox

BeamNG.drive
Shared: Simulation · Physics · Sandbox

Liars Bar
Shared: Multiplayer · Tabletop · Casual

Teardown
Shared: Sandbox · Physics · Multiplayer

House Flipper
Shared: Simulation · Multiplayer · Sandbox

Golf With Your Friends
Shared: Multiplayer · Family Friendly · Casual

CarX Drift Racing Online
Shared: Simulation · Multiplayer · Sandbox

Pummel Party
Shared: Board Game · Multiplayer · Funny

Waterpark Simulator
Shared: Simulation · Multiplayer · Sandbox

THE GAME OF LIFE
Shared: Board Game · Tabletop · Multiplayer

Brick Rigs
Shared: Sandbox · Multiplayer · Simulation

Goat Simulator
Shared: Simulation · Sandbox · Physics

Human Fall Flat
Shared: Multiplayer · Sandbox · Physics

SuchArt: Creative Space
Shared: Simulation · Sandbox · Physics

Space Engineers
Shared: Sandbox · Simulation · Physics

Who's Your Daddy?!
Shared: Simulation · Multiplayer · Funny

Besiege
Shared: Simulation · Sandbox · Physics