Games like Trip Not
Games like Trip Not include Garry's Mod, Getting Over It with Bennett Foddy, Human Fall Flat, PEAK, and Gang Beasts. We matched them by the tags players give Trip Not on Steam (Multiplayer, Precision Platformer, Physics, Parkour, and Platformer): closest matches first, and among equally close ones the better-known games.

Garry's Mod
Shared: Multiplayer · Physics · Funny

Getting Over It with Bennett Foddy
Shared: Physics · Platformer · Philosophical

Human Fall Flat
Shared: Multiplayer · Physics · Funny

PEAK
Shared: Multiplayer · Physics · 3D

Gang Beasts
Shared: Multiplayer · Physics · Funny

RV There Yet?
Shared: Multiplayer · Physics · Funny

Ultimate Chicken Horse
Shared: Multiplayer · Platformer · Funny

Super Bunny Man
Shared: Multiplayer · Platformer · Physics

Gorilla Tag
Shared: Multiplayer · Parkour · Funny

R.E.P.O.
Shared: Multiplayer · Physics · Comedy

Celeste
Shared: Precision Platformer · Platformer · Indie

SpeedRunners
Shared: Multiplayer · Indie · Platformer

Golf With Your Friends
Shared: Multiplayer · Indie · Physics

Super Meat Boy
Shared: Precision Platformer · Platformer · Indie

Portal 2
Shared: Platformer · Story Rich · Singleplayer

Teardown
Shared: Physics · Multiplayer · Indie

Chained Together
Shared: Multiplayer · Platformer · Funny

BattleBlock Theater®
Shared: Platformer · Multiplayer · Funny

Climber Animals: Together
Shared: Physics · Platformer · Multiplayer

Super Battle Golf
Shared: Multiplayer · Physics · Funny

How to Fish
Shared: Multiplayer · Indie · Physics

MECCHA CHAMELEON
Shared: Multiplayer · Funny · Indie

Pogostuck: Rage With Your Friends
Shared: Precision Platformer · Multiplayer · Platformer

Totally Accurate Battle Simulator
Shared: Physics · Funny · Indie