Sudoku and variants

The portal contains almost all kinds of Sudoku variants: standard, killer and jigsaw, for example, but there is no limit to the creativity of the puzzle authors here. What about trying a 3D-Sudoku, Spiral Sudoku, or even a Sudoku Rallye (which contains other puzzle types, too). Enjoy browsing!

	Description	solved	Rating
	HSSC Appetizer (1) - Sudoku Mathrax by Richard (on 16. December 2025, 06:00)	110	95 %
	Easy Peasy Sudoku Advent (16) - Y-Sums by Richard (on 16. December 2025, 06:00)	134	97 %
	Day 16 Skyscrapers by SharpFox (on 16. December 2025, 06:00)	208	87 %
	Visible Arrows 8 by Md88keys (on 16. December 2025, 02:31)	78	91 %
	Mini Rocket (4x4) by Mr Toffee (on 16. December 2025, 02:12)	194	82 %
	Papillon [Arrow Renban RSL Sudoku] by Christounet (on 16. December 2025, 01:00)	87	90 %
	Space in Symmetry by Killer Joe (on 15. December 2025, 23:07)	21	94 %
	grey grey grey (#2) by DocLogic (on 15. December 2025, 22:47)	56	93 %
	(Not so) Little Killers by SennyK (on 15. December 2025, 21:35)	113	94 %
	10s And Thermos In The Fog by krujedioses (on 15. December 2025, 21:34)	164	88 %
	All Four One by AnalyticalNinja (on 15. December 2025, 20:45)	8	N/A
	Corners are Cornering (X-Sums, Chaos Construction, 6x6) by Flinty (on 15. December 2025, 20:05)	137	95 %
	Modropic Lines by GraphZahl81 (on 15. December 2025, 19:49)	54	96 %
	Square Territories by masetab (on 15. December 2025, 18:49)	43	88 %
	Offset 3 by crwn (on 15. December 2025, 18:24)	123	94 %
	all the seats were occupied by aqjhs (on 15. December 2025, 17:17)	39	93 %
	Battle of Five Armies by Blobz (on 15. December 2025, 16:00)	106	91 %
	Niner Niner by Hiyou167 (on 15. December 2025, 12:00)	9	N/A
	Final Lines Drawn by 2025 by Kutsumi Hane (on 15. December 2025, 07:04)	5	N/A
	Easy Peasy Sudoku Advent (15) - Thermometers - Removed Bulbs by Richard (on 15. December 2025, 06:00)	113	93 %