Games like Fallen Angel
Games like Fallen Angel include Hero Siege, Black Myth: Wukong, Blasphemous 2, CARRION, and Dust: An Elysian Tail. We matched them by the tags players give Fallen Angel on Steam (Metroidvania, Combat, Beat 'em up, Villain Protagonist, and Pixel Graphics): closest matches first, and among equally close ones the better-known games.

Hero Siege
Shared: Pixel Graphics · Action RPG · Hack and Slash

Black Myth: Wukong
Shared: Combat · Action RPG · Action

Blasphemous 2
Shared: Combat · Metroidvania · Pixel Graphics

CARRION
Shared: Metroidvania · Villain Protagonist · Pixel Graphics

Dust: An Elysian Tail
Shared: Metroidvania · Action · Beat 'em up

Skul: The Hero Slayer
Shared: Pixel Graphics · Action · Metroidvania

God of War
Shared: Combat · Action · Hack and Slash

Dead Cells
Shared: Metroidvania · Pixel Graphics · Hack and Slash

Hyper Light Drifter
Shared: Pixel Graphics · Hack and Slash · Action

Castle Crashers®
Shared: Beat 'em up · Hack and Slash · 2D

The Mageseeker: A League of Legends Story™
Shared: Pixel Graphics · Hack and Slash · Combat

The Slormancer
Shared: Hack and Slash · Pixel Graphics · Action RPG

The Vagrant
Shared: Metroidvania · Action · Hack and Slash

Blasphemous
Shared: Metroidvania · Pixel Graphics · Action

Deaths Gambit: Afterlife
Shared: Metroidvania · Pixel Graphics · Action

Bloody Hell
Shared: Metroidvania · Pixel Graphics · Combat

Archvale
Shared: Pixel Graphics · Action · Action RPG

Weird RPG
Shared: Action RPG · Action · Combat

Stellar Blade™
Shared: Hack and Slash · Action · Action RPG

Heroes of Hammerwatch II
Shared: Action RPG · RPG · Pixel Graphics

Souldiers
Shared: Metroidvania · Pixel Graphics · Combat

Chronicon
Shared: Hack and Slash · Action RPG · Pixel Graphics

Halls of Torment
Shared: Pixel Graphics · Action RPG · Action

Kingdoms of Amalur: Re-Reckoning
Shared: Action RPG · Combat · Action