Games like Sweet Slaughter
Games like Sweet Slaughter include Vampire Survivors, Death Must Die, Halls of Torment, Hades, and Megabonk. We matched them by the tags players give Sweet Slaughter on Steam (RPG, Action Roguelike, Bullet Hell, Action, and Casual): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Action Roguelike · Bullet Hell · Roguelite

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

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

Hades
Shared: Action Roguelike · Roguelite · Action

Megabonk
Shared: Action Roguelike · Bullet Hell · Roguelite

Soulstone Survivors
Shared: Action Roguelike · Bullet Hell · Roguelite

Brotato
Shared: Bullet Hell · Action Roguelike · Roguelike

Hades II
Shared: Action · Action Roguelike · Roguelite

Boneraiser Minions
Shared: Action Roguelike · Bullet Hell · Roguelite

Rogue Legacy
Shared: Action Roguelike · Action · Roguelike

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

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

Magicraft
Shared: Action Roguelike · Bullet Hell · Roguelite

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

暖雪 Warm Snow
Shared: Action Roguelike · Roguelite · RPG

Dungreed
Shared: Action Roguelike · Action · Roguelite

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

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

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

Nuclear Throne
Shared: Action Roguelike · Bullet Hell · Roguelike

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

Streets of Rogue
Shared: Action Roguelike · RPG · Roguelite

Asgard's Fall — Viking Survivors
Shared: Action Roguelike · Bullet Hell · Casual

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