Games like Steel Vampire
Games like Steel Vampire include Vampire Survivors, LUFTRAUSERS, Planes, Bullets and Vodka, Timberman, and Cyberhunt. We matched them by the tags players give Steel Vampire on Steam (Action, Indie, Casual, Shoot 'Em Up, and Bullet Hell): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Bullet Hell · Indie · 2D

LUFTRAUSERS
Shared: Indie · Action · Bullet Hell

Planes, Bullets and Vodka
Shared: Action · Casual · Shoot 'Em Up

Timberman
Shared: Casual · Indie · Action

Cyberhunt
Shared: Action · Indie · Casual

ZeroRanger
Shared: Indie · Shoot 'Em Up · Action

BALL x PIT
Shared: Action · Bullet Hell · Arcade

Bit Blaster XL
Shared: Shoot 'Em Up · Bullet Hell · Action

TouHou Makuka Sai ~ Fantastic Danmaku Festival
Shared: Indie · Action · Bullet Hell

TouHou Makuka Sai ~ Fantastic Danmaku Festival Part II
Shared: Indie · Bullet Hell · Shoot 'Em Up

Exit the Gungeon
Shared: Indie · Action · Arcade

Touhou Tenkuushou ~ Hidden Star in Four Seasons.
Shared: Bullet Hell · Shoot 'Em Up · Indie

Touhou Fuujinroku ~ Mountain of Faith.
Shared: Action · Indie · Bullet Hell

Megabonk
Shared: Indie · Action · Bullet Hell

Star Saviors
Shared: Action · Shoot 'Em Up · Indie

BLUE REVOLVER
Shared: Indie · Action · Shoot 'Em Up

Savant - Ascent
Shared: Action · Indie · Shoot 'Em Up

Hotline Miami
Shared: Action · Indie · Great Soundtrack

Jet Lancer
Shared: Action · Indie · Shoot 'Em Up

Skul: The Hero Slayer
Shared: Action · Indie · 2D

Katana ZERO
Shared: Action · Indie · Pixel Graphics

DRAINUS
Shared: Action · Indie · Shoot 'Em Up

Touhou Koumakyou: New Classic - the Embodiment of Scarlet Devil
Shared: Shoot 'Em Up · Bullet Hell · Action

A Dance of Fire and Ice
Shared: Indie · Singleplayer · 2D