Games like Suicide Guy: The Lost Dreams
Games like Suicide Guy: The Lost Dreams include Portal 2, Portal, Human Fall Flat, Viewfinder, and Supraland. We matched them by the tags players give Suicide Guy: The Lost Dreams on Steam (Dark Humor, Cartoony, Physics, Action-Adventure, and Puzzle): closest matches first, and among equally close ones the better-known games.

Portal 2
Shared: Dark Humor · Puzzle · Funny

Portal
Shared: Puzzle · 3D Platformer · Puzzle Platformer

Human Fall Flat
Shared: Physics · Puzzle · Funny

Viewfinder
Shared: Puzzle · Puzzle Platformer · Physics

Supraland
Shared: Physics · Puzzle Platformer · Puzzle

Tinykin
Shared: Cartoony · Action-Adventure · 3D Platformer

Another Crab's Treasure
Shared: Cartoony · Funny · 3D Platformer

Psychonauts 2
Shared: 3D Platformer · Comedy · Funny

High On Life
Shared: Dark Humor · Comedy · Action-Adventure

Suicide Guy
Shared: Funny · Puzzle · Physics

Ratchet & Clank: Rift Apart
Shared: Action-Adventure · 3D Platformer · Adventure

The Upturned
Shared: Physics · Cartoony · Comedy

South Park™: The Stick of Truth™
Shared: Dark Humor · Funny · Comedy

Crash Bandicoot™ 4: It’s About Time
Shared: Cartoony · 3D Platformer · Action-Adventure

Quantum Conundrum
Shared: Puzzle · Physics · 3D Platformer

Psychonauts
Shared: Comedy · Funny · Adventure

Pumpkin Jack
Shared: 3D Platformer · Adventure · Cartoony

Life Goes On: Done to Death
Shared: Dark Humor · Funny · Puzzle

Superliminal
Shared: Puzzle · Physics · Funny

Tiny and Big: Grandpas Leftovers
Shared: Physics · Puzzle · 3D Platformer

Getting Over It with Bennett Foddy
Shared: Physics · Dark Humor · Funny

Trine 3: The Artifacts of Power
Shared: Action-Adventure · 3D Platformer · Puzzle Platformer

Chained Together
Shared: Adventure · Funny · Action-Adventure

Surgeon Simulator
Shared: Physics · Dark Humor · Funny