Games like Emotion
Games like Emotion include Anomaly Agent, ICEY, Momodora: Reverie Under The Moonlight, SANABI, and ASTLIBRA Revision. We matched them by the tags players give Emotion on Steam (Side Scroller, Spectacle fighter, 2D Platformer, Action, and Hack and Slash): closest matches first, and among equally close ones the better-known games.

Anomaly Agent
Shared: Side Scroller · 2D Platformer · Hack and Slash

ICEY
Shared: Action · Side Scroller · Hack and Slash

Momodora: Reverie Under The Moonlight
Shared: Side Scroller · 2D Platformer · Spectacle fighter

SANABI
Shared: Action · 2D Platformer · Pixel Graphics

ASTLIBRA Revision
Shared: Side Scroller · Action RPG · 2D

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

Devil May Cry 5
Shared: Action · Hack and Slash · Spectacle fighter

Wolcen: Lords of Mayhem
Shared: Hack and Slash · Action RPG · Action

METAL GEAR RISING: REVENGEANCE
Shared: Spectacle fighter · Action · Hack and Slash

Prince of Persia The Lost Crown
Shared: 2D Platformer · Side Scroller · Action

Eastern Exorcist
Shared: Side Scroller · Action · Hack and Slash

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

Your Only Move Is HUSTLE
Shared: Action · Spectacle fighter · Side Scroller

DmC: Devil May Cry
Shared: Action · Spectacle fighter · Hack and Slash

MEGA MAN X DiVE Offline
Shared: Side Scroller · Action · 2D

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

Gravity Circuit
Shared: Action · 2D Platformer · 2D

Onimusha: Way of the Sword
Shared: Action · Spectacle fighter · Hack and Slash

Have a Nice Death
Shared: Hack and Slash · Action · 2D Platformer

NINJA GAIDEN: Ragebound
Shared: Action · 2D Platformer · Side Scroller

SHINOBI: Art of Vengeance
Shared: 2D Platformer · Action · Hack and Slash

Blasphemous 2
Shared: Side Scroller · 2D Platformer · Hack and Slash

FINAL FANTASY XVI
Shared: Spectacle fighter · Action RPG · Action

Grim Dawn
Shared: Hack and Slash · Action RPG · Singleplayer