Therais Book

Open-world fantasy MMORPG with resource gathering and combat pets

CrossOrbit Studio, netstrives · Published by CrossOrbit Studio · Released Mar 26, 2021 · Early Access

Adventure Indie Massively Multiplayer RPG

As of Oct 28, 2026: Early Access, no updates for over a year

Reviews: Mixed; 61% of 88
Recent reviews: Not enough recent
Players: 0; daily peak, Oct 28, 2026
Steam Deck: Unsupported
Last update on Steam: 5 years ago; Jun 27, 2021
Minimum PC: GTX 1050; 4 GB RAM · 5 GB disk; Full requirements

What is Therais Book?

Therais Book is a free-to-play, Early Access online RPG set in a dark fantasy open world, with first- and third-person perspectives. You craft equipment, hunt animals for food and monsters for loot, and explore dungeons. Its servers are currently offline.

For you if...

+you enjoy fighting bosses with friends and joining guilds

Not for you if...

−you prefer single-player adventures over online multiplayer RPGs

What players say

61% of 88 reviews are positive

Early players see promise in the game's concept, but recurring complaints focus on sparse content. Later reviews report account-creation and launch problems, with players expressing concern that development has stopped.

Screenshots and trailer

Therais Book system requirements

Minimum: GTX 1050, 4 GB RAM, 5 GB of disk space.

As published by the developer.

Can my PC run Therais Book?

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Minimum

OS: Windows 7
Processor: Quadcore Processor
Graphics: Nvidia GTX 1050
Memory: 4 GB RAM
Storage: 5 GB available space
DirectX: Version 11
Notes: This is the lowest config for the lowest setting. This may change in the future.

Does Therais Book have co-op or multiplayer?

Yes: MMO. There is no single-player mode.

Does Therais Book run on Steam Deck?

Unsupported No: Valve rates it Unsupported on Steam Deck.

Not supported on SteamOS

PC version details

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows
Steam features: Family Sharing
Languages: Full audio: English.

Does Therais Book use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam