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Chordline icon

Chordline

Connect Colors, Light the Grid
TAEHYUN KO · Games
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App info

Developer
TAEHYUN KO
Category
Games, Entertainment, Puzzle
Released
Sep 29, 2026
Version
1.2.0 (Oct 12, 2026)
Price
Free
Size
5.9 MB
Requires
iOS 18.0
Age rating
4+
Languages
English, French, German, Japanese, Korean, Portuguese, Spanish

In-app purchases

Removal Ads$2.99
Current prices, App Store US.
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About Chordline

Chordline is a line puzzle: connect the dots of matching colors and fill every square on the board. Each connection raises the pitch by a half step, and the moment the board is full, every line lights up at once. HOW TO PLAY • Drag from a colored dot to its matching pair • Retrace a line to erase it — no undo button needed • Connect every pair while filling the entire grid WHAT YOU GET • 984 puzzles across three ladders: Easy, Hard and Extreme • Every board has exactly one solution, and every one of them was verified • No fail state and no rush: a round runs 10 to 30 seconds • Shapes alongside colors, so pairs stay distinguishable with color blindness • Remove ads with a single purchase, no subscriptions A puzzle that turns solving into playing an instrument.
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