Developed by Ratata Arts and published by Game Source Entertainment, the Rhythm × Roguelike action game Ratatan has surpassed 100,000 cumulative sales worldwide during its Early Access period!
We would like to express our heartfelt gratitude for all the passionate support from players around the globe.
Since its Early Access launch on September 19, 2025, on Steam, the game has been praised internationally for its unique fusion of rhythm-based combat and its cast of colorful, charming characters.

This update, titled the “October Update,” follows the roadmap previously shared with players and will introduce various new features and improvements, including highly anticipated special skills exclusive to each Ratatan.
Unique special skills for each Ratatan make their debut!
Build up your FEVER gauge and unleash powerful attacks—team coordination in multiplayer will be key.

Customize your favorite Cobuns with accessories like ribbons and hats.
Express your style and enhance the fun through visual customization.

New opportunities to discover treasure appear during your journey.
Defeat challenging enemies to earn valuable loot and generous rewards!

Improved matchmaking UI now displays active sessions.
This is the first step in a series of updates aimed at creating a smoother multiplayer experience.

A new reroll feature allows for greater freedom in card selection, enhancing deck-building strategy.

We will continue to make improvements and updates based on everyone’s valuable feedback.
Your voices shape the future of Ratatan—thank you for your continued support!
Steam Store:
https://store.steampowered.com/app/2949320/Ratatan/
Roadmap:
https://store.steampowered.com/news/app/2949320/view/706624027566801323
Early Access FAQ:
https://store.steampowered.com/news/app/2949320/view/706624027566801483