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
	Spiral series #2 - Entropy Spiral by SimiC (on 1. March 2022, 07:59)	24	85 %
	Time to Think Outside the Box by zegres (on 1. March 2022, 06:49)	52	98 %
	Stranger Kings by mith (on 28. February 2022, 23:09)	121	91 %
	"Streamlined" Sudoku by Rangsk (on 28. February 2022, 20:45)	51	97 %
	The Butterfly Effect - Region Sum Lines Sudoku by Mr.Menace (on 28. February 2022, 20:11)	102	97 %
	Cloned Knights & Thermos by GBPack (on 28. February 2022, 18:11)	34	83 %
	Quietly Bending Time (Thermo/German Whispers/Renban/Disjoint Groups) by dumediat (on 28. February 2022, 17:24)	27	89 %
	Facebook Killer (Pentomino) by Franjo (on 28. February 2022, 17:06)	11	83 %
	真笑Puzzles042--Chaos Construction--ZhangYi001 by cdwg2000 (on 28. February 2022, 13:46)	17	94 %
	Who ATE the Crabcakes? by Will Power (on 28. February 2022, 07:16)	43	81 %
	Foresee Fourteen by Scruffamudda (on 28. February 2022, 06:31)	19	83 %
	Killer Tetris 2 by Hecspeed (on 28. February 2022, 05:55)	51	93 %
	Knights of Mercury by sunnyjum (on 28. February 2022, 04:44)	36	85 %
	Mental Arithmetic (X-Sums 159) by tallcat (on 27. February 2022, 18:19)	91	94 %
	SC3 - Killer by kuraban (on 27. February 2022, 17:59)	103	95 %
	Slightly Chaotic / Leicht chaotisch by PDN777 (on 27. February 2022, 16:10)	176	87 %
	Flashlight Sudoku by Aaronomys (on 27. February 2022, 16:01)	19	88 %
	16 by antiknight (on 27. February 2022, 13:45)	28	89 %
	The Secret Does Not Apply by Niverio (on 27. February 2022, 12:34)	42	99 %
	Start With 1, Not 0! by Jakhob (on 27. February 2022, 09:37)	92	91 %