Games like Stretcher Together
Games like Stretcher Together include Chained Together, PEAK, Human Fall Flat, Climber Animals: Together, and Carry The Glass. We matched them by the tags players give Stretcher Together on Steam (3D Platformer, Action, Medical Sim, Simulation, and Platformer): closest matches first, and among equally close ones the better-known games.

Chained Together
Shared: Co-op · Platformer · 3D Platformer

PEAK
Shared: Co-op · Online Co-Op · Physics

Human Fall Flat
Shared: Co-op · Funny · Action

Climber Animals: Together
Shared: Simulation · 3D Platformer · Platformer

Carry The Glass
Shared: Co-op · 3D Platformer · Online Co-Op

Gang Beasts
Shared: Co-op · Action · Funny

Goat Simulator
Shared: Simulation · Funny · Action

Biped
Shared: Co-op · Online Co-Op · Funny

Portal 2
Shared: Platformer · 3D Platformer · Co-op

BattleBlock Theater®
Shared: Co-op · Platformer · Funny

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

How to Fish
Shared: Co-op · Online Co-Op · Action

Garry's Mod
Shared: Physics · Funny · Simulation

SOS OPS!
Shared: Co-op · Funny · Third Person

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

Clustertruck
Shared: Action · 3D Platformer · Parkour

Lethal Company
Shared: Co-op · Online Co-Op · Funny

BeamNG.drive
Shared: Simulation · Physics · Realistic

Monster Hunter Wilds
Shared: Action · Co-op · Online Co-Op

Who's Your Daddy?!
Shared: Funny · Simulation · Co-op

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

HELLDIVERS™ 2
Shared: Action · Online Co-Op · Co-op

Wobbly Life
Shared: Co-op · Simulation · Action

PAYDAY 2
Shared: Action · Co-op · Online Co-Op