⚠️ Post content online at your own risk - SEGA has banned unofficial apps on social media of any type for unofficial versions of the game.
This project may receive infrequent updates.
Read up on the mods
Important
We do NOT provide help or support for installing GridlessSekai 6 beyond these instructions. Do not open any Issues to ask for help, unless it is a bug.
A fully offline archive of a certain popular mobile rhythm game (JP, v6.8.1 - released 2026). Yes, you can play it without internet!
This project is a culmination of ALL my knowledge. If you enjoy it, please ⭐ Star the repo.
This app is a sandbox for not just in-game content, but also some mods.
This project is partially AI-assisted with Claude, due to my unfamiliarity with C++. If you dislike it - don't use it. Nobody is forcing you to. I provide this notice as a courtesy to you.
Latest Release - check back here for updates!
Tip
If you wish to be notified of updates, 👁️ Watch the project and get emails for every release.
You need at least 23GB+ free on your device. The more content you download, the more storage you will need.
You need ~69GB free for FULL functionality of this app.
Base assets don't change between releases.
A full install of ALL assets for this game is approximately 90 GB. To mitigate this, we split the assets into portions you download based on what feature you want to play.
For file sizes and hashes, please refer to HASHES.md.
Any mirrors are appreciated, please open an issue to have them added (must include ALL iOS and Android assets)
Refer to INSTALL.md
Found a bug or have a suggestion? Open an issue!
Sending your logs may be useful. See LOGS.md for more info.