No Five's Allowed

(Published on 26. August 2026, 19:03 by Skully571)

1. Normal 4x4 sudoku rules apply

2. Digits on the thermo increase from the bulb to the tip

3. Digits on the black dot are in a 2:1 ratio.

4. No domino in the grid sums to 5.

Play it on Sudokupad!

Solution code: Row 1 from left to right

Last changed on on 26. August 2026, 19:27

Solved by Sudokode, Anthony, fuxia, jalebc, ehunskar, davpola, dleclair, tiuhto, Jakobef, FroodOfHoops, Adrian Klausen, aidan, yellow, Serafine, ome86, Onyx, SeveNateNine, xrrx, basi, buzzard, NicolajN, ... Thomster, pin7guin, ebulku, rcg, hannahh, geronimo92, mattnburris, drifting, Leaving Leaves, DiegoDsD, PR0METE0, Vaurien, Javier Rebottaro, bereolosp, mango, Javantea, tanisho, Thread

Full list