Games like Monkey Bizniz
Games like Monkey Bizniz include Garry's Mod, PEAK, Human Fall Flat, RV There Yet?, and Wobbly Life. We matched them by the tags players give Monkey Bizniz on Steam (Online Co-Op, Multiplayer, Action-Adventure, Physics, and Sandbox): closest matches first, and among equally close ones the better-known games.

Garry's Mod
Shared: Multiplayer · Sandbox · Physics

PEAK
Shared: Online Co-Op · Multiplayer · Physics

Human Fall Flat
Shared: Multiplayer · Physics · Funny

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

Wobbly Life
Shared: Multiplayer · Sandbox · Adventure

R.E.P.O.
Shared: Online Co-Op · Multiplayer · Physics

Chained Together
Shared: Multiplayer · Online Co-Op · Adventure

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

Super Battle Golf
Shared: Online Co-Op · Multiplayer · Physics

Goat Simulator
Shared: Sandbox · Physics · Funny

Totally Accurate Battle Simulator
Shared: Sandbox · Physics · Funny

Goat Simulator 3
Shared: Physics · Sandbox · Action-Adventure

Gamble With Your Friends
Shared: Online Co-Op · Multiplayer · Physics

Gang Beasts
Shared: Multiplayer · Physics · Action

Who's Your Daddy?!
Shared: Multiplayer · Online Co-Op · Funny

Content Warning
Shared: Online Co-Op · Multiplayer · Physics

Biped
Shared: Online Co-Op · Multiplayer · Physics

skate.
Shared: Multiplayer · Online Co-Op · Action

Trailmakers
Shared: Online Co-Op · Action · Action-Adventure

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

Saints Row: The Third
Shared: Action · Online Co-Op · Comedy

Super Bunny Man
Shared: Multiplayer · Sandbox · Online Co-Op

Stick Fight: The Game
Shared: Multiplayer · Funny · Action

Don't Starve Together
Shared: Multiplayer · Online Co-Op · Sandbox