Games like Against Great Darkness
Games like Against Great Darkness include Vampire Survivors, Megabonk, Halls of Torment, BALL x PIT, and Nova Drift. We matched them by the tags players give Against Great Darkness on Steam (Bullet Hell, Roguelite, Arcade, Shooter, and Action): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Bullet Hell · Roguelite · Action Roguelike

Megabonk
Shared: Roguelite · Bullet Hell · Action Roguelike

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

BALL x PIT
Shared: Roguelite · Bullet Hell · Arcade

Nova Drift
Shared: Bullet Hell · Roguelite · Arcade

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

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

Risk of Rain 2
Shared: Roguelite · Action Roguelike · Action

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

Soulstone Survivors
Shared: Roguelite · Bullet Hell · Action Roguelike

Rogue: Genesia
Shared: Bullet Hell · Roguelite · Arcade

Nuclear Throne
Shared: Bullet Hell · Action Roguelike · Roguelite

Dead Cells
Shared: Roguelite · Action Roguelike · 2D

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

Boneraiser Minions
Shared: Bullet Hell · Roguelite · Action Roguelike

Crab Champions
Shared: Action Roguelike · Arcade · Bullet Hell

Brotato
Shared: Bullet Hell · Action Roguelike · Roguelike

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

Windowkill
Shared: Bullet Hell · Action · Arcade

Hades
Shared: Roguelite · Action Roguelike · Action

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

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

Gunfire Reborn
Shared: Roguelite · Roguelike · Action

Pass the Fear
Shared: Roguelite · Bullet Hell · Action Roguelike