Games like Project Origin
Games like Project Origin include No Rest for the Wicked, Black Desert, The Elder Scrolls Online - Standard Edition, Path of Exile 2, and Fate Seeker II. We matched them by the tags players give Project Origin on Steam (RPG, MMORPG, Action RPG, Cinematic, and Exploration): closest matches first, and among equally close ones the better-known games.

No Rest for the Wicked
Shared: Action RPG · RPG · Hack and Slash

Black Desert
Shared: Action RPG · MMORPG · Exploration

The Elder Scrolls Online - Standard Edition
Shared: RPG · MMORPG · Exploration

Path of Exile 2
Shared: RPG · Action RPG · MMORPG

Fate Seeker II
Shared: RPG · Action RPG · Exploration

DARK SOULS™ III
Shared: RPG · Lore-Rich · Exploration

Titan Quest II
Shared: RPG · Action RPG · Hack and Slash

Path of Exile
Shared: Action RPG · MMORPG · Hack and Slash

CONTROL Resonant
Shared: Action RPG · Hack and Slash · Cinematic

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

ELDEN RING
Shared: RPG · Action RPG · Open World

Albion Online
Shared: MMORPG · RPG · Open World

FINAL FANTASY XIV Online
Shared: RPG · MMORPG · Open World

Dragon's Dogma 2
Shared: RPG · Action RPG · Open World

God of War Ragnarök
Shared: RPG · Hack and Slash · Cinematic

WUCHANG: Fallen Feathers
Shared: Action RPG · Exploration · Hack and Slash

The Elder Scrolls IV: Oblivion Remastered
Shared: RPG · Open World · Exploration

Enshrouded
Shared: RPG · Open World · Exploration

Pax Dei
Shared: MMORPG · RPG · Open World

Starfield
Shared: RPG · Exploration · Open World

Diablo® IV
Shared: Action RPG · RPG · Hack and Slash

Warframe
Shared: Action RPG · RPG · Third Person

SpiritVale
Shared: MMORPG · RPG · Action RPG

Hogwarts Legacy
Shared: RPG · Open World · Exploration