Games like Glow Journey
Games like Glow Journey include Vampire Survivors, Dead Cells, Megabonk, BALL x PIT, and Skul: The Hero Slayer. We matched them by the tags players give Glow Journey on Steam (Action Roguelike, Procedural Generation, Arcade, Action, and 2D): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Action Roguelike · 2D · Bullet Hell

Dead Cells
Shared: Action Roguelike · Adventure · Roguelike

Megabonk
Shared: Action Roguelike · Roguelike · Action

BALL x PIT
Shared: Action · Arcade · Action Roguelike

Skul: The Hero Slayer
Shared: Action Roguelike · Action · 2D

Halls of Torment
Shared: Action Roguelike · Action · Bullet Hell

The Binding of Isaac
Shared: Action Roguelike · Procedural Generation · Roguelike

Enter the Gungeon
Shared: Action Roguelike · Bullet Hell · Roguelike

The Binding of Isaac: Rebirth
Shared: Action Roguelike · Roguelike · 2D

Death Must Die
Shared: Action Roguelike · Bullet Hell · Action

Spelunky
Shared: Action Roguelike · Roguelike · 2D

ScourgeBringer
Shared: Action · Action Roguelike · Adventure

Rogue Legacy
Shared: Action Roguelike · Action · Roguelike

Rogue Legacy 2
Shared: Arcade · Action · Adventure

UnderMine
Shared: Action Roguelike · Action · Adventure

Nordic Ashes: Survivors of Ragnarok
Shared: Action Roguelike · Bullet Hell · Exploration

Dungreed
Shared: Action Roguelike · Action · Roguelike

Hades
Shared: Action Roguelike · Action · Roguelite

Brotato
Shared: Action Roguelike · Roguelike · Bullet Hell

Streets of Rogue
Shared: Action Roguelike · Action · Roguelite

Nuclear Throne
Shared: Action Roguelike · Roguelike · Action

Boneraiser Minions
Shared: Action Roguelike · 2D · Bullet Hell

Rogue: Genesia
Shared: Action Roguelike · Arcade · Bullet Hell

Deep Rock Galactic: Survivor
Shared: Action Roguelike · Procedural Generation · Bullet Hell