About This Game

✨Go has never been… so accessible with its “tentacles”

This is a game that combines Cthulhu elements with traditional Go.

The game is no longer boring—you’re not just playing Go; you’re competing against a stubborn Cthulhu.

🐙 Playing against Cthulhu

Cthulhu uses its tentacles to grab stones from the void—this eerie style makes every game feel like a ritual.

At some point, Lord Cthulhu removed his right brain and installed the most powerful Go AI on Earth—KataGo.

• Powerful Go AI: Supports real-time analysis, win rate prediction, and coaching.

• 5–19-square free board: You can use boards of different sizes to unlock faster, more intense matches.

• 6 levels of difficulty: Whether you’re a beginner with no experience in Go or a seasoned player, Cthulhu will be a strong opponent.

🍡 Stones stick together

The softest feature in the world of Go—stones formsticky connections with each other. Stones at adjacent, diagonal, or knight’s move positions exhibit different types of connections.

Each stone has its own “expression”.

• You can interact with the stones; they have life.

• When a stone has barely any liberties left, it shows “tension”.

• When you atari a opponent’s stone, it shows “confidence”.

This is actually a clever and compassionate idea from Cthulhu. By observing the expressions, you can understand the situation.

😈 You can definitely get started with Go

The game offers complete teaching and practice materials, and future plans include a “Creative Workshop” where you can freely import question banks.

As long as you follow the complete teaching process by Kusuro and practice regularly with question banks, getting started with Go will be easy.

• More than a dozen exclusive textbooks: These include basic Go knowledge that beginners need to understand, such as eyes, ladders, points, openings, net attacks, snapbacks, etc.

• Over a thousand Life and Death Problems: Specialized exercises and practice questions for different types of games.

• Valuable ancient Go books: You can draw from blind boxes to obtain real ancient Go texts and see the great moves of past players.

• Collectible term cards: You can gather beautiful Go term cards.

🎵 Drawing a blind box

When playing, remember to throw your captures into the hot pot—Cthulhu insists you remember this.

Then you can draw a blind box and receive Cthulhu’s rewards, including: chess books, term cards, vinyl records, and… stockings!

You can even dress the tentacles in different styles of stockings, and you can even touch the tentacles and adjust the length of the stockings.

“Hmph, if this makes you interested in playing chess, I can wear anything…”

🎮 Future development plans

Current features:

Human-machine match: Competing with KataGo-driven Kukuru

Local matches: Playing against friends face to face on the screen

Teaching: Complete beginner’s lessons in Go

Books: Practice exercises to improve specific skills through training

Emerging features:

Multi-player: Invite Steam friends to play together

Creative workshop: Free creation of Go-related content

AI Generated Content Disclosure

The developers describe how their game uses AI Generated Content like this:

Some 3D models and sound effects were created using generative AI tools (Tripo3D and Woosh) during development. No AI content is generated during gameplay.