Games like 12 Angry Hours
Games like 12 Angry Hours include Vampire Survivors, Deep Rock Galactic: Survivor, BALL x PIT, Halls of Torment, and Megabonk. We matched them by the tags players give 12 Angry Hours on Steam (Action Roguelike, Bullet Hell, Idler, Roguelite, and PvE): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Action Roguelike · Bullet Hell · Roguelite

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

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

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

Megabonk
Shared: Action Roguelike · Roguelite · Bullet Hell

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

Shape of Dreams
Shared: Action Roguelike · PvE · Roguelite

Enter the Gungeon
Shared: Action Roguelike · Bullet Hell · 2D

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

Glyphica: Typing Survival
Shared: Action Roguelike · Bullet Hell · Roguelite

Hades
Shared: Action Roguelike · Roguelite · Action

Skul: The Hero Slayer
Shared: Action Roguelike · Action · Roguelite

Nuclear Throne
Shared: Action Roguelike · Bullet Hell · Roguelite

Nomad Survival
Shared: Action Roguelike · Bullet Hell · Roguelite

I Am Legion: Stand Survivors
Shared: Action Roguelike · Bullet Hell · Roguelite

Magicraft
Shared: Action Roguelike · Bullet Hell · Roguelite

Star of Providence
Shared: Bullet Hell · Action Roguelike · Roguelite

Boneraiser Minions
Shared: Action Roguelike · Bullet Hell · Roguelite

暖雪 Warm Snow
Shared: Action Roguelike · Roguelite · 2D

Nova Drift
Shared: Bullet Hell · Action Roguelike · Roguelite

20 Minutes Till Dawn
Shared: Action Roguelike · Bullet Hell · Roguelite

Soulstone Survivors
Shared: Action Roguelike · Bullet Hell · Roguelite

Windowkill
Shared: Action Roguelike · Bullet Hell · Action

Cultivation Story: Reincarnation
Shared: Action Roguelike · Bullet Hell · Roguelite