Important update v1.353
Some content has been removed from the demo version, including: All puzzles from 1-2 All colored puzzles For more information about the full version, please see: View game page
- Planned release
- 2026
- Platforms
- Last updated
Developer posts and news about this game.
Some content has been removed from the demo version, including: All puzzles from 1-2 All colored puzzles For more information about the full version, please see: View game page
Fixed an issue where rainbow boards would display incorrectly in new saves if they had been completed in an old save file. Temporarily added a small number of tutorial puzzles for the rainbow rules. Added a visual effect to better highlight the special properties of the rainbow r
New Content Added Approximately 1–2 hours of additional gameplay: All remaining puzzles in Areas 1–2 are now unlocked. Rule #2 has been added. Several puzzles featuring Rule #13 have been added. Mixed-rule puzzles have been added (originally planned for the mid-game). Important N
If you’re using the patch updated on January 21, 2026 , you may encounter the following issues: Unable to unlock new boards Right-clicking buttons may fail to complete a board How to fix: Return to the Steam client and update the game. Create a new save file (do not delete your o
Game Content All puzzle stages have been completely rebuilt. Over 100 puzzles across 7 different puzzle types. The early-game difficulty has been significantly reduced, with an improved overall difficulty curve. The original two modes have been redesigned: Free Mode allows you to
New Features In Note Mode: Shift + Mouse Wheel now switches note colors (red, blue, and yellow). In Note Mode: Shift + Ctrl + Mouse Wheel adjusts the thickness of notes and the size of the eraser. Bug Fixes Fixed an issue where the Z key could not undo marking actions. Fixed an i
New Features Added adjustable language localization options; Added support for cloud saves; Bug Fixes Fixed display issues with certain fonts;
New Features Label Function: Use the shortcut Alt + to save the current puzzle state to the corresponding slot, and to load the puzzle state from that slot. Operation Improvements Added WASD keys for map movement, and slightly increased movement speed and acceleration. Slightly a
New Features Added note eraser : In note mode, press E to switch to erase mode. You can use Shift + Mouse Wheel to adjust the eraser size, and Right Click to erase notes. Added difficulty selection : In Normal Mode , after completing a certain number of tutorial stages, the corre
Update Highlights Reconstructed most of the puzzles; Added a new puzzle type and removed the old dual-solution puzzle type; Improved the tutorial stages for the rules; Significantly restructured the level design; Greatly reduced the overall difficulty of the demo and adjusted the
Note System Refactor Press Tab to switch between Color Mode and Note Mode . Different cursor colors indicate the current mode: red for Note Mode, white for Color Mode. In Note Mode : Left Mouse Button – Draw notes Right Mouse Button – Select notes X Key – Delete notes or selected
Game Updates / Optimizations New Feature: Undo (Z) or Redo (U) coloring and marking actions, supporting up to 200 steps. New Feature: Double-tap R to clear all marks. Audio Optimization: Lowered the volume of certain BGM tracks. Level Optimization: Adjusted the structure of some
Program and Game Design Fixes Fixed an issue with level display in the letter zones. Temporarily adjusted the simple tutorial for the green question mark. Game Optimization New Feature: You can now replay completed boards. The border color indicates each board’s completion status
Program and Game Design Fixes Fixed unintended solutions in 4 puzzle levels. Fixed music stuttering when switching tracks. Fixed UI display issues at different screen resolutions. Game Optimization Optimized the note system, and now the note shortcut keys can be previewed in-game