Romeo's Tint
(Published on 30. December 2025, 16:50 by gdc)
This puzzle was set as a gift to Rickium for the Secret Santa puzzle exchange on the CtC-fan-discord. Thanks Rickium for the permission to publish! Hope you enjoy!
Normal sudoku rules apply.
Tetris: Put non-overlapping tetromino pieces into the grid. Every piece touches the bottom of the grid or shares an edge with a piece below it (i.e. there are no "floating" pieces). Pieces of the same shape (regardless of reflections/rotations) may not share an edge.
Silent Pieces: Within a piece, orthogonally adjacent digits must differ by 5 or more.
Quads: The four cells touching a circle must include the indicated pieces in any rotation/reflection.
Kropki: Digits separated by a black dot are in a 1:2 ratio. Not all dots are given.
Tetris: Put non-overlapping tetromino pieces into the grid. Every piece touches the bottom of the grid or shares an edge with a piece below it (i.e. there are no "floating" pieces). Pieces of the same shape (regardless of reflections/rotations) may not share an edge.
Silent Pieces: Within a piece, orthogonally adjacent digits must differ by 5 or more.
Quads: The four cells touching a circle must include the indicated pieces in any rotation/reflection.
Kropki: Digits separated by a black dot are in a 1:2 ratio. Not all dots are given.
Rules
Solution code: Row 1 left to right (9 digits)
Solved by tuturitu, RedBulls75, wuc, efnenu, Andrewsarchus, Mattisahuman, SKORP17, aqjhs, ChinStrap, SennyK, vorash00, Mennoo_, Aaravos, galium_odoratum, ankpress, LehanLehan, godoffours, QuiltyAsCharged, ... lina_hyena, neverlucky, jqhc, NotVeryNeat, sorryimLate, bboom, Shmartus, MissAmy254, widjo, SZCrow, illegel, abed hawila, Firebird, DragonEgg, samjna0049, Frank Puzzles, sehringdipity, Fenn, nixxo
Comments
on 1. January 2026, 15:49 by Exigus
Very cool concept and a really nice puzzle. Thanks!
on 31. December 2025, 19:22 by QuiltyAsCharged
Great fun!
on 31. December 2025, 13:38 by galium_odoratum
This was fun and suprisingly easy for me. Nice flow until the end!
on 30. December 2025, 18:04 by wuc
Great puzzle. Very hard mid solve. To me 4*. Great fun thx.
