Games like Vampire's Best Friend
Games like Vampire's Best Friend include Hollow Knight, Celeste, Hollow Knight: Silksong, Ori and the Will of the Wisps, and Super Meat Boy. We matched them by the tags players give Vampire's Best Friend on Steam (Precision Platformer, Cute, Metroidvania, Platformer, and Action): closest matches first, and among equally close ones the better-known games.

Hollow Knight
Shared: Metroidvania · Platformer · 2D

Celeste
Shared: Precision Platformer · Platformer · Pixel Graphics

Hollow Knight: Silksong
Shared: Metroidvania · Platformer · 2D

Ori and the Will of the Wisps
Shared: Metroidvania · Platformer · Action

Super Meat Boy
Shared: Precision Platformer · Platformer · 2D

Gato Roboto
Shared: Metroidvania · Action · Platformer

VVVVVV
Shared: Precision Platformer · Platformer · Pixel Graphics

The Messenger
Shared: Metroidvania · Platformer · Retro

Jump King
Shared: Precision Platformer · Platformer · Pixel Graphics

Skul: The Hero Slayer
Shared: Action · Pixel Graphics · 2D

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

Axiom Verge
Shared: Metroidvania · Platformer · Action

Bloodstained: Curse of the Moon
Shared: Action · Platformer · Metroidvania

Blasphemous
Shared: Metroidvania · Pixel Graphics · 2D

ANIMAL WELL
Shared: Metroidvania · Platformer · Pixel Graphics

SANABI
Shared: Action · Pixel Graphics · 2D

Rain World
Shared: Platformer · Pixel Graphics · 2D

Cave Story+
Shared: Metroidvania · Platformer · Cute

Dead Cells
Shared: Metroidvania · 2D · Pixel Graphics

Dust: An Elysian Tail
Shared: Metroidvania · Platformer · Action

Nine Sols
Shared: Metroidvania · Platformer · Action

Downwell
Shared: Precision Platformer · Platformer · Pixel Graphics

Geometry Dash
Shared: Precision Platformer · 2D · Platformer

Out There Somewhere
Shared: Platformer · Pixel Graphics · 2D