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Every build released on Steam for this game since we started tracking it, with the developer's patch notes. Updated within minutes of each new build.
Some content has been removed from the demo version, including:All puzzles from 1-2All colored puzzlesFor more information about the full version, please see:
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 propert…
New Content AddedApproximately 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-gam…
If you’re using the patch updated on January 21, 2026, you may encounter the following issues:Unable to unlock new boardsRight-clicking buttons may fail to complete a boardHow to fix:Return to the Steam client and update the game.Create a new save file (do not…
Game ContentAll 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 Mod…
New FeaturesIn 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 FixesFixed an issue where the Z key could not undo marking act…
Hi everyone,I’m sorry to announce that DEG’s full release has been delayed to the first quarter of 2027.The workload has turned out to be far greater than I initially expected.I want the full version of DEG to be an experience you’ll really enjoy, so I need mo…