Games like Automaton Heart
Games like Automaton Heart include Warframe, Black Myth: Wukong, Grand Theft Auto V Legacy, Tomb Raider Game of the Year, and Gothic 1 Remake. We matched them by the tags players give Automaton Heart on Steam (Adventure, Action, Third-Person Shooter, RPG, and Shooter): closest matches first, and among equally close ones the better-known games.

Warframe
Shared: Third-Person Shooter · Action · Action RPG

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

Grand Theft Auto V Legacy
Shared: Action · Adventure · Shooter

Tomb Raider Game of the Year
Shared: Adventure · Action · Third-Person Shooter

Gothic 1 Remake
Shared: Adventure · RPG · Action

REMNANT II®
Shared: Action · Adventure · Third-Person Shooter

Warhammer 40,000: Space Marine 2
Shared: Action · Third-Person Shooter · Adventure

ATLYSS
Shared: RPG · Adventure · Action RPG

OUTRIDERS
Shared: RPG · Third-Person Shooter · Action

Fallout 4
Shared: Adventure · RPG · Shooter

Hyper Light Breaker
Shared: Adventure · Action · RPG

God of War Ragnarök
Shared: Adventure · Action · RPG

The Killing Antidote
Shared: Third-Person Shooter · Action · Adventure

Marvel Rivals
Shared: Third-Person Shooter · Action · Adventure

Remnant: From the Ashes
Shared: Action · Adventure · RPG

Monster Hunter: World
Shared: Action · RPG · Adventure

Just Cause™ 3
Shared: Action · Third-Person Shooter · Adventure

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

The First Descendant
Shared: Third-Person Shooter · Action · RPG

BioShock Infinite
Shared: Action · Shooter · Adventure

PUBG: BATTLEGROUNDS
Shared: Shooter · Third-Person Shooter · Action

Red Dead Redemption 2
Shared: Adventure · Action · Shooter

Grand Theft Auto IV: The Complete Edition
Shared: Action · Adventure · Third-Person Shooter

Escape From Duckov
Shared: Adventure · Action · Shooter