Annulus

Turn-based fantasy tactics with mercenary squads and changing battlefield conditions

NIRVANA · Released Apr 8, 2026

Adventure RPG Simulation Strategy Free To Play

Third-party account required AI-generated content disclosed

Reviews: Mixed; 68% of 519
Recent reviews: Not enough recent
Players: 23; daily peak, Oct 28, 2026
Steam Deck: Unsupported
Last update on Steam: 4 weeks ago; Sep 29, 2026
Minimum PC: GeForce GTX 660; 6 GB RAM · 15 GB disk; Full requirements

What is Annulus?

A free-to-play, single-player tactical RPG set on the medieval-inspired continent of Novisess. As a mercenary captain fighting for survival, you recruit and train orcs, elves, and humans, then command them in turn-based battles. Fighters gain new forms, attributes, and skills as they advance, while class combinations, weapon skills, and formations shape how your team fights.

For you if...

+you like planning around terrain, weather, and elemental interactions
+you enjoy dark fantasy settings inspired by medieval warfare

Not for you if...

−you prefer real-time action to turn-based tactical battles
−you want multiplayer rather than a single-player game

What players say

68% of 519 reviews are positive

Players praise the art and character designs, but commonly criticize confusing menus and inconsistent English translations that make systems hard to understand. Several also object to the gacha monetization.

Screenshots and trailer

Annulus system requirements

Minimum: GeForce GTX 660, 6 GB RAM, 15 GB of disk space.

As published by the developer.

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Minimum

OS: Windows 7 SP1 64-bit，Windows 8.1 64-bit，Windows 8 64-bit
Processor: Intel Core i3 4th 或 AMD Ryzen 3
Graphics: NVIDIA GeForce GTX 660 OR AMD Radeon HD 7870
Memory: 6 GB RAM
Storage: 15 GB available space
DirectX: Version 11
Notes: No Mac or Linux clients are currently available

Does Annulus have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Single-player

Does Annulus 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
Third-party account: QuickSDK (Supports Linking to Steam Account)
Controller: Keyboard and mouse
Platforms: Windows
Steam features: Family Sharing
Languages: Full audio: Simplified Chinese, Traditional Chinese. Text only: English.

Does Annulus use AI-generated content?

Yes. The developers disclose AI-generated content on the game's Steam page:

This game contains pre-generated AI content and no real-time generated AI content. Relevant information is as follows: Tools used: Midjourney (art), GPT (text); Application scope: Only used for the auxiliary creation of game art assets, story texts, and UI assets. All AI-generated content is used as initial drafts; Manual review: All AI-generated content has been revised, polished, screened, and copyright-verified by a professional team to ensure originality and compliance; Compliance guarantee: Copyright verification of AI-generated content has been completed, with no infringement risks, in c...

Full statement

This game contains pre-generated AI content and no real-time generated AI content. Relevant information is as follows: Tools used: Midjourney (art), GPT (text); Application scope: Only used for the auxiliary creation of game art assets, story texts, and UI assets. All AI-generated content is used as initial drafts; Manual review: All AI-generated content has been revised, polished, screened, and copyright-verified by a professional team to ensure originality and compliance; Compliance guarantee: Copyright verification of AI-generated content has been completed, with no infringement risks, in compliance with Steam content guidelines and relevant laws of the Hong Kong Special Administrative Region; Content control: No real-time AI generation function. All in-game displayed content is the final version that has been pre-generated and manually reviewed, without the uncertainty of dynamically generated content.

The statement mentions: ArtText & translations

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