Games like Angel Guardian
Games like Angel Guardian include BlazBlue Entropy Effect, ICEY, Dead Cells, Hollow Knight, and Ori and the Will of the Wisps. We matched them by the tags players give Angel Guardian on Steam (Platformer, Metroidvania, Sci-fi, Anime, and Cyberpunk): closest matches first, and among equally close ones the better-known games.

BlazBlue Entropy Effect
Shared: Platformer · Anime · Action-Adventure

ICEY
Shared: Anime · Hack and Slash · Action

Dead Cells
Shared: Metroidvania · Platformer · Hack and Slash

Hollow Knight
Shared: Platformer · Metroidvania · 2D

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

Lost Ruins
Shared: Metroidvania · Anime · Platformer

Bloodstained: Ritual of the Night
Shared: Metroidvania · Anime · Platformer

Rabi-Ribi
Shared: Metroidvania · Anime · Bullet Hell

Phoenotopia: Awakening
Shared: Platformer · Metroidvania · Puzzle Platformer

Touhou Luna Nights
Shared: Metroidvania · Platformer · Bullet Hell

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

TEVI
Shared: Metroidvania · Anime · Bullet Hell

Ghost 1.0
Shared: Metroidvania · Platformer · Cyberpunk

Nine Sols
Shared: Metroidvania · Platformer · 2D

Axiom Verge
Shared: Metroidvania · Platformer · Sci-fi

Portal 2
Shared: Platformer · Puzzle Platformer · Action-Adventure

Afterimage
Shared: Metroidvania · Anime · Platformer

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

SANABI
Shared: Cyberpunk · Platformer · Action

Katana ZERO
Shared: Platformer · Cyberpunk · Action

F.I.S.T.: Forged In Shadow Torch
Shared: Platformer · Metroidvania · Action

Skul: The Hero Slayer
Shared: Platformer · Metroidvania · Action

STAR WARS Jedi: Fallen Order™
Shared: Sci-fi · Action-Adventure · Platformer

STRIDER
Shared: Platformer · Metroidvania · Hack and Slash