Games like Vampire Survivors
Games like Vampire Survivors include Megabonk, Boneraiser Minions, Halls of Torment, Death Must Die, and Enter the Gungeon. We matched them by the tags players give Vampire Survivors on Steam (Action Roguelike, Bullet Hell, Roguelite, Pixel Graphics, and Vampires): closest matches first, and among equally close ones the better-known games.

Megabonk
Shared: Action Roguelike · Roguelite · Bullet Hell

Boneraiser Minions
Shared: Action Roguelike · Bullet Hell · Roguelite

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

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

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

Brotato
Shared: Bullet Hell · Action Roguelike · Singleplayer

The Binding of Isaac: Rebirth
Shared: Action Roguelike · Pixel Graphics · Indie

Skul: The Hero Slayer
Shared: Action Roguelike · Pixel Graphics · Indie

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

Nuclear Throne
Shared: Action Roguelike · Pixel Graphics · Bullet Hell

Realm of the Mad God Exalt
Shared: Pixel Graphics · Bullet Hell · Action Roguelike

Dungreed
Shared: Action Roguelike · Pixel Graphics · Roguelite

Hades
Shared: Action Roguelike · Roguelite · Indie

Rocket Rats
Shared: Action Roguelike · Bullet Hell · Pixel Graphics

Soulstone Survivors
Shared: Action Roguelike · Roguelite · Bullet Hell

Rogue Legacy
Shared: Action Roguelike · Indie · Roguelike

Dead Cells
Shared: Action Roguelike · Pixel Graphics · Roguelite

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

Seraph's Last Stand
Shared: Action Roguelike · Bullet Hell · Pixel Graphics

Streets of Rogue
Shared: Action Roguelike · Roguelite · Pixel Graphics

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

Hero Siege
Shared: Action Roguelike · Pixel Graphics · Roguelike

Noobs Want to Live
Shared: Bullet Hell · Pixel Graphics · Action Roguelike

Renfield: Bring Your Own Blood
Shared: Action Roguelike · Bullet Hell · Roguelite