Games like Confined Space - Module Madness
Games like Confined Space - Module Madness include Deep Rock Galactic: Survivor, Time Wasters, Nova Drift, Megabonk, and Rogue: Genesia. We matched them by the tags players give Confined Space - Module Madness on Steam (Action Roguelike, Bullet Heaven, Arena Shooter, Looter Shooter, and Action): closest matches first, and among equally close ones the better-known games.

Deep Rock Galactic: Survivor
Shared: Action Roguelike · Bullet Heaven · Bullet Hell

Time Wasters
Shared: Action Roguelike · Bullet Heaven · Arena Shooter

Nova Drift
Shared: Action Roguelike · Shoot 'Em Up · Arena Shooter

Megabonk
Shared: Action Roguelike · Bullet Heaven · Bullet Hell

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

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

Brotato
Shared: Action Roguelike · Bullet Heaven · Bullet Hell

BALL x PIT
Shared: Action · Action Roguelike · Bullet Hell

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

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

R.I.P. - Reincarnation Insurance Program
Shared: Action Roguelike · Bullet Heaven · Looter Shooter

Arms of God
Shared: Action Roguelike · Bullet Heaven · Arena Shooter

Magicraft
Shared: Action Roguelike · Looter Shooter · Bullet Hell

Enter the Gungeon
Shared: Action Roguelike · Bullet Hell · Twin Stick Shooter

Tower of Babel: Survivors of Chaos
Shared: Action Roguelike · Bullet Heaven · Bullet Hell

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

20 Minutes Till Dawn
Shared: Action Roguelike · Bullet Hell · Shoot 'Em Up

Relic Hunters Zero: Remix
Shared: Looter Shooter · Action Roguelike · Action

Soulstone Survivors
Shared: Action Roguelike · Bullet Heaven · Bullet Hell

I Am Legion: Stand Survivors
Shared: Action Roguelike · Bullet Hell · Shoot 'Em Up

Risk of Rain Returns
Shared: Action Roguelike · Looter Shooter · 2D

Pesticide Not Required
Shared: Action Roguelike · Bullet Hell · Shoot 'Em Up

Star of Providence
Shared: Action Roguelike · Bullet Hell · Shoot 'Em Up

Boneraiser Minions
Shared: Action Roguelike · Bullet Heaven · Bullet Hell