Games like Underworld
Games like Underworld include Black Myth: Wukong, God of War, Crimson Desert Enhanced, DRAGON BALL: Sparking! ZERO, and BLEACH Rebirth of Souls. We matched them by the tags players give Underworld on Steam (Action, 3D Fighter, 3D, Old School, and Combat): closest matches first, and among equally close ones the better-known games.

Black Myth: Wukong
Shared: Action · Combat · RPG

God of War
Shared: Action · Singleplayer · Combat

Crimson Desert Enhanced
Shared: Action · Singleplayer · Combat

DRAGON BALL: Sparking! ZERO
Shared: Action · 3D Fighter · Combat

BLEACH Rebirth of Souls
Shared: Action · 3D Fighter · 3D

Middle-earth: Shadow of War
Shared: Action · Singleplayer · RPG

Wuthering Waves
Shared: Action · Combat · 3D

BioShock Infinite
Shared: Action · Singleplayer · RPG

Kingdom Come: Deliverance II
Shared: RPG · Singleplayer · Action

Undisputed
Shared: 3D · Combat · 3D Fighter

Fatekeeper
Shared: Action · RPG · 3D

GORN 2
Shared: Action · 3D Fighter · 3D

Half Sword
Shared: Combat · Gore · Action

God of War Ragnarök
Shared: Action · RPG · 3D

Stellar Blade™
Shared: Action · Singleplayer · Combat

Demon Slayer -Kimetsu no Yaiba- The Hinokami Chronicles
Shared: Action · 3D Fighter · 3D

Jujutsu Kaisen Cursed Clash
Shared: Action · 3D Fighter · 3D

Weird RPG
Shared: Action · RPG · Singleplayer

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

Weird RPG 2
Shared: Action · 3D · RPG

ARMORED CORE™ VI FIRES OF RUBICON™
Shared: Action · Combat · 3D

Vampire: The Masquerade® - Bloodlines™ 2
Shared: Action · Gore · Singleplayer

Dragon Age II: Ultimate Edition
Shared: Action · RPG · Singleplayer

AI LIMIT
Shared: Action · Combat · RPG