Games like GLUM - Supporter Pack
Games like GLUM - Supporter Pack include Portal 2, Garry's Mod, Portal, ULTRAKILL, and High On Life. We matched them by the tags players give GLUM - Supporter Pack on Steam (Adventure, Funny, Comedy, Singleplayer, and First-Person): closest matches first, and among equally close ones the better-known games.

Portal 2
Shared: Singleplayer · First-Person · Funny

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

Portal
Shared: First-Person · Singleplayer · Comedy

ULTRAKILL
Shared: Boomer Shooter · Singleplayer · Character Action Game

High On Life
Shared: Comedy · Adventure · Singleplayer

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

Human Fall Flat
Shared: Funny · Adventure · Physics

Call of Juarez: Gunslinger
Shared: Singleplayer · Comedy · Adventure

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

Totally Accurate Battle Simulator
Shared: Funny · Singleplayer · Adventure

Serious Sam II
Shared: Comedy · Action · Funny

Octodad: Dadliest Catch
Shared: Comedy · Funny · Adventure

Half-Life 2
Shared: Singleplayer · Adventure · Action

Grand Theft Auto V Legacy
Shared: Adventure · Action · First-Person

Slime Rancher
Shared: Adventure · Singleplayer · Funny

Anger Foot
Shared: Boomer Shooter · Arcade · First-Person

Clustertruck
Shared: First-Person · Singleplayer · Action

PEAK
Shared: Adventure · Comedy · First-Person

Bulletstorm: Full Clip Edition
Shared: Adventure · First-Person · Action

Bully: Scholarship Edition
Shared: Adventure · Singleplayer · Comedy

Psychonauts
Shared: Adventure · Comedy · Singleplayer

POSTAL 4: No Regerts
Shared: Adventure · Singleplayer · First-Person

RV There Yet?
Shared: Funny · Adventure · First-Person

BioShock Infinite
Shared: First-Person · Singleplayer · Adventure