Games like Suicide Guy Deluxe Plus
Games like Suicide Guy Deluxe Plus include Portal, Portal 2, Human Fall Flat, Superliminal, and Viewfinder. We matched them by the tags players give Suicide Guy Deluxe Plus on Steam (Puzzle Platformer, Comedy, Physics, First-Person, and Funny): closest matches first, and among equally close ones the better-known games.

Portal
Shared: Puzzle Platformer · First-Person · Comedy

Portal 2
Shared: First-Person · Puzzle Platformer · Dark Humor

Human Fall Flat
Shared: Funny · Physics · Puzzle Platformer

Superliminal
Shared: First-Person · Physics · Surreal

Viewfinder
Shared: Puzzle Platformer · First-Person · Physics

POSTAL 2
Shared: First-Person · Comedy · Dark Humor

R.E.P.O.
Shared: Comedy · Physics · First-Person

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

WHAT THE GOLF?
Shared: Comedy · Physics · Funny

THE CORRIDOR
Shared: Comedy · Funny · First-Person

Fever Meme
Shared: Comedy · Funny · Memes

PEAK
Shared: Physics · Comedy · First-Person

Garry's Mod
Shared: Physics · Funny · First-Person

The Stanley Parable
Shared: Comedy · First-Person · Funny

South Park™: The Fractured But Whole™
Shared: Comedy · Funny · Dark Humor

Goat Simulator
Shared: Comedy · Funny · Physics

Supraland
Shared: Puzzle Platformer · First-Person · Physics

Surgeon Simulator
Shared: Physics · Comedy · Funny

Jazzpunk: Director's Cut
Shared: Comedy · Funny · Surreal

High On Life
Shared: Comedy · Dark Humor · First-Person

Who's Your Daddy?!
Shared: Comedy · Funny · First-Person

Quantum Conundrum
Shared: Puzzle Platformer · First-Person · Physics

Toilet Chronicles
Shared: Comedy · First-Person · Funny

Suicide Guy
Shared: Comedy · Funny · Physics