Games like Blood Gauntlet
Games like Blood Gauntlet include SANABI, Bloodstained: Curse of the Moon, Sonic Origins, Katana ZERO, and Vampire Survivors. We matched them by the tags players give Blood Gauntlet on Steam (Action, Pixel Graphics, Retro, 2D Platformer, and 1990's): closest matches first, and among equally close ones the better-known games.

SANABI
Shared: Pixel Graphics · Action · 2D Platformer

Bloodstained: Curse of the Moon
Shared: Action · Pixel Graphics · Retro

Sonic Origins
Shared: Action · 2D Platformer · Retro

Katana ZERO
Shared: Action · Pixel Graphics · 2D Platformer

Vampire Survivors
Shared: Pixel Graphics · Action · Vampires

The Messenger
Shared: Retro · Pixel Graphics · Action

Shovel Knight: Treasure Trove
Shared: Pixel Graphics · Retro · Action

Blasphemous
Shared: Pixel Graphics · Action · Dark Fantasy

Pizza Tower
Shared: 2D Platformer · Pixel Graphics · Action

UFO 50
Shared: Pixel Graphics · Action · Retro

Super Meat Boy
Shared: Pixel Graphics · 2D Platformer · Retro

Celeste
Shared: Pixel Graphics · 2D Platformer · Difficult

Downwell
Shared: Pixel Graphics · Action · 2D Platformer

Castlevania Advance Collection
Shared: Action · Retro · 2D Platformer

Hotline Miami 2: Wrong Number
Shared: Pixel Graphics · Action · Retro

Exit the Gungeon
Shared: Action · Arcade · Pixel Graphics

VVVVVV
Shared: Pixel Graphics · 2D Platformer · Retro

Sonic Mania
Shared: Retro · Pixel Graphics · Action

Terminator 2D: NO FATE
Shared: Pixel Graphics · 2D Platformer · Action

NINJA GAIDEN: Ragebound
Shared: Action · Pixel Graphics · 2D Platformer

Bloodstained: Curse of the Moon 2
Shared: Action · Pixel Graphics · Retro

Warhammer 40,000: Boltgun
Shared: Retro · Pixel Graphics · Action

Door Kickers: Action Squad
Shared: Pixel Graphics · 2D Platformer · Action

Dead Cells
Shared: Pixel Graphics · Adventure · Action