Games like EGO
Games like EGO include Dead as Disco, Spark the Electric Jester 3, RWBY: Grimm Eclipse, Pseudoregalia, and Soulstice. We matched them by the tags players give EGO on Steam (Exploration, Spectacle fighter, 3D Platformer, Hack and Slash, and Beat 'em up): closest matches first, and among equally close ones the better-known games.

Dead as Disco
Shared: Spectacle fighter · Beat 'em up · Hack and Slash

Spark the Electric Jester 3
Shared: 3D Platformer · Exploration · Hack and Slash

RWBY: Grimm Eclipse
Shared: Spectacle fighter · Hack and Slash · Beat 'em up

Pseudoregalia
Shared: 3D Platformer · Exploration · Platformer

Soulstice
Shared: Spectacle fighter · Hack and Slash · Exploration

Sonic Frontiers
Shared: 3D Platformer · Exploration · Platformer

Blue Fire
Shared: Exploration · 3D Platformer · Hack and Slash

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

Toree 3D
Shared: 3D Platformer · Exploration · Platformer

Bubsy 4D
Shared: Exploration · 3D Platformer · Platformer

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

Hellish Quart
Shared: Hack and Slash · 3D Fighter · PvE

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

Asterix & Obelix XXL : Romastered
Shared: 3D Platformer · Beat 'em up · PvE

Solar Ash
Shared: 3D Platformer · Exploration · Platformer

Dust: An Elysian Tail
Shared: Platformer · Exploration · Beat 'em up

ALTF4
Shared: 3D Platformer · Exploration · Platformer

Marlow Briggs and the Mask of Death
Shared: Spectacle fighter · Hack and Slash · Platformer

Shape of Dreams
Shared: Hack and Slash · PvE · Action

Yooka-Replaylee
Shared: Exploration · 3D Platformer · Platformer

A Hat in Time
Shared: 3D Platformer · Exploration · Platformer

Yellow Taxi Goes Vroom
Shared: 3D Platformer · Exploration · Platformer

Hi-Fi RUSH
Shared: Hack and Slash · Spectacle fighter · Platformer

Judgment
Shared: Beat 'em up · 3D Fighter · Hack and Slash