Games like Super Demon Survivors
Games like Super Demon Survivors include Vampire Survivors, Halls of Torment, Megabonk, BALL x PIT, and Death Must Die. We matched them by the tags players give Super Demon Survivors on Steam (Score Attack, Roguelite, Roguelike, Dark Fantasy, and Bullet Hell): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Roguelite · Bullet Hell · Roguelike

Halls of Torment
Shared: Roguelite · Bullet Hell · Dark Fantasy

Megabonk
Shared: Roguelike · Roguelite · Bullet Hell

BALL x PIT
Shared: Roguelite · Roguelike · Bullet Hell

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

Soulstone Survivors
Shared: Roguelite · Bullet Hell · Roguelike

Nuclear Throne
Shared: Roguelike · Roguelite · Bullet Hell

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

Brotato
Shared: Roguelike · Bullet Hell · Roguelite

The Spell Brigade
Shared: Roguelite · Bullet Hell · Roguelike

Noobs Want to Live
Shared: Roguelike · Bullet Hell · Roguelite

Spellbook Demonslayers
Shared: Dark Fantasy · Top-Down · Bullet Hell

Yet Another Zombie Survivors
Shared: Roguelite · Top-Down Shooter · Roguelike

Hades
Shared: Roguelite · Roguelike · Action Roguelike

Tiny Rogues
Shared: Bullet Hell · Roguelite · Top-Down Shooter

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

20 Minutes Till Dawn
Shared: Roguelite · Bullet Hell · Top-Down Shooter

Deep Rock Galactic: Survivor
Shared: Roguelite · Bullet Hell · Top-Down Shooter

NIMRODS
Shared: Roguelite · Bullet Hell · Roguelike

Seraph's Last Stand
Shared: Bullet Hell · Roguelike · Dark Fantasy

Dead Cells
Shared: Roguelike · Roguelite · Action Roguelike

Boneraiser Minions
Shared: Roguelite · Bullet Hell · Action Roguelike

Hades II
Shared: Roguelite · Roguelike · Action

Arms of God
Shared: Roguelite · Bullet Hell · Top-Down Shooter