Games like Steel Guardian
Games like Steel Guardian include Crimson Desert Enhanced, Slime Rancher, Dragon's Dogma 2, Black Desert, and Blade and Sorcery. We matched them by the tags players give Steel Guardian on Steam (Action, Adventure, Action RPG, Sandbox, and Exploration): closest matches first, and among equally close ones the better-known games.

Crimson Desert Enhanced
Shared: Action · Adventure · Exploration

Slime Rancher
Shared: Adventure · Exploration · Sandbox

Dragon's Dogma 2
Shared: Action RPG · Action · Adventure

Black Desert
Shared: Action RPG · Sandbox · Exploration

Blade and Sorcery
Shared: Action · Sandbox · VR

Prince of Persia The Lost Crown
Shared: Action · Exploration · Metroidvania

God of War
Shared: Action · Adventure · Exploration

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

Hogwarts Legacy
Shared: Adventure · Exploration · Fantasy

Gothic 1 Remake
Shared: Adventure · Action · Exploration

Monster Hunter: World
Shared: Action · Adventure · Action RPG

Farever
Shared: Action · Action RPG · Adventure

Fallout 4
Shared: Adventure · Exploration · Action

Middle-earth™: Shadow of Mordor™
Shared: Action · Adventure · Action RPG

No Rest for the Wicked
Shared: Action RPG · Exploration · Adventure

Totally Accurate Battle Simulator
Shared: Sandbox · Adventure · Simulation

Just Cause 2
Shared: Action · Sandbox · Adventure

Just Cause™ 3
Shared: Action · Adventure · Sandbox

BONEWORKS
Shared: Action · Sandbox · VR

The Witcher 3: Wild Hunt — Remastered
Shared: Adventure · Fantasy · Action

Middle-earth: Shadow of War
Shared: Action · Adventure · Fantasy

Mount & Blade: Warband
Shared: Action · Sandbox · Adventure

The Elder Scrolls Online - Standard Edition
Shared: Adventure · Exploration · Action

Sonic Frontiers
Shared: Adventure · Action · Exploration