Tough Quadruple Sudoku 2026 archive

Dates in green are puzzles you've done.
Dates in amber are puzzles you've done, but not achieved the maximum score.
Dates in blue are puzzles you've started.
Dates in red are puzzles you've not done.

April 2026

S	M	T	W	T	F	S
			1 (Tough)	2 (Tough)	3 (Tough)	4 (Tough)
5 (Tough)	6 (Tough)	7 (Tough)	8 (Tough)	9 (Tough)	10 (Tough)	11 (Tough)
12 (Tough)	13	14	15	16	17	18
19	20	21	22	23	24	25
26	27	28	29	30

March 2026

S	M	T	W	T	F	S
1 (Tough)	2 (Tough)	3 (Tough)	4 (Tough)	5 (Tough)	6 (Tough)	7 (Tough)
8 (Tough)	9 (Tough)	10 (Tough)	11 (Tough)	12 (Tough)	13 (Tough)	14 (Tough)
15 (Tough)	16 (Tough)	17 (Tough)	18 (Tough)	19 (Tough)	20 (Tough)	21 (Tough)
22 (Tough)	23 (Tough)	24 (Tough)	25 (Tough)	26 (Tough)	27 (Tough)	28 (Tough)
29 (Tough)	30 (Tough)	31 (Tough)

February 2026

S	M	T	W	T	F	S
1 (Tough)	2 (Tough)	3 (Tough)	4 (Tough)	5 (Tough)	6 (Tough)	7 (Tough)
8 (Tough)	9 (Tough)	10 (Tough)	11 (Tough)	12 (Tough)	13 (Tough)	14 (Tough)
15 (Tough)	16 (Tough)	17 (Tough)	18 (Tough)	19 (Tough)	20 (Tough)	21 (Tough)
22 (Tough)	23 (Tough)	24 (Tough)	25 (Tough)	26 (Tough)	27 (Tough)	28 (Tough)

January 2026

S	M	T	W	T	F	S
				1 (Tough)	2 (Tough)	3 (Tough)
4 (Tough)	5 (Tough)	6 (Tough)	7 (Tough)	8 (Tough)	9 (Tough)	10 (Tough)
11 (Tough)	12 (Tough)	13 (Tough)	14 (Tough)	15 (Tough)	16 (Tough)	17 (Tough)
18 (Tough)	19 (Tough)	20 (Tough)	21 (Tough)	22 (Tough)	23 (Tough)	24 (Tough)
25 (Tough)	26 (Tough)	27 (Tough)	28 (Tough)	29 (Tough)	30 (Tough)	31 (Tough)