| Description | solved | Rating
|
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![unsolved unsolved](/Raetselportal/bilder/ungeloest.png) | Self-Killer (Killer Sudoku) by peterchayward (on 24. April 2020, 08:49) | 63 | ![mittelschweres Rätsel 3](/Raetselportal/bilder/level3.png) 94 %
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![unsolved unsolved](/Raetselportal/bilder/ungeloest.png) | Binary Sudoku 11 by stephane.bura (on 26. April 2020, 23:39) | 16 | ![schweres Rätsel 4](/Raetselportal/bilder/level4.png) 96 %
|
![unsolved unsolved](/Raetselportal/bilder/ungeloest.png) | Thermo-Sudoku: Some Assembly Required by trivial171 (on 6. May 2020, 04:10) | 31 | ![schweres Rätsel 4](/Raetselportal/bilder/level4.png) 99 %
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![unsolved unsolved](/Raetselportal/bilder/ungeloest.png) | Snake Egg Sudoku by Phistomefel (on 31. May 2020, 00:19) | 98 | ![schweres Rätsel 4](/Raetselportal/bilder/level4.png) 98 %
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![unsolved unsolved](/Raetselportal/bilder/ungeloest.png) | Cave Sudoku by Phistomefel (on 10. July 2020, 12:39) | 90 | ![schweres Rätsel 4](/Raetselportal/bilder/level4.png) 96 %
|
![unsolved unsolved](/Raetselportal/bilder/ungeloest.png) | JCQ #5: Fawlty Towers (Liar Thermo Killer Sudoku) by peterchayward (on 17. July 2020, 11:13) | 40 | ![sehr schweres Rätsel 5](/Raetselportal/bilder/level5.png) 97 %
|
![unsolved unsolved](/Raetselportal/bilder/ungeloest.png) | Anti-knight Thermo Sudoku #2 - Thermocouples by RSP (on 19. July 2020, 19:57) | 98 | ![sehr schweres Rätsel 5](/Raetselportal/bilder/level5.png) 99 %
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![unsolved unsolved](/Raetselportal/bilder/ungeloest.png) | Shattered Palindrome - Equal Sums by hamslice (on 31. July 2020, 13:03) | 4 | ![Vom Rätselautor geschätzt: sehr schweres Rätsel 5](/Raetselportal/bilder/ulevel5.png) N/A
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![unsolved unsolved](/Raetselportal/bilder/ungeloest.png) | Akari Sudoku 2 by Ringo (on 13. August 2020, 19:15) | 8 | ![Vom Rätselautor geschätzt: schweres Rätsel 4](/Raetselportal/bilder/ulevel4.png) N/A
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![unsolved unsolved](/Raetselportal/bilder/ungeloest.png) | Even Couples Killer Sudoku by Quarterthru (on 3. September 2020, 12:00) | 25 | ![schweres Rätsel 4](/Raetselportal/bilder/level4.png) 96 %
|
![unsolved unsolved](/Raetselportal/bilder/ungeloest.png) | Snake Sum Sudoku 7 (the encore) by Quarterthru (on 16. October 2020, 12:00) | 11 | ![Vom Rätselautor geschätzt: sehr schweres Rätsel 5](/Raetselportal/bilder/ulevel5.png) N/A
|
![unsolved unsolved](/Raetselportal/bilder/ungeloest.png) | Pencil puzzle sudoku hybrid series #1 - Look-air sudoku by Aspartagcus (on 28. October 2020, 11:11) | 13 | ![schweres Rätsel 4](/Raetselportal/bilder/level4.png) 90 %
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![unsolved unsolved](/Raetselportal/bilder/ungeloest.png) | Parity Stripe Sudoku by SenatorGronk (on 21. November 2020, 17:46) | 12 | ![Vom Rätselautor geschätzt: schweres Rätsel 4](/Raetselportal/bilder/ulevel4.png) N/A
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![unsolved unsolved](/Raetselportal/bilder/ungeloest.png) | Kropki Placement Sudoku #1 by udukos (on 22. November 2020, 10:33) | 10 | ![Vom Rätselautor geschätzt: sehr schweres Rätsel 5](/Raetselportal/bilder/ulevel5.png) N/A
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![unsolved unsolved](/Raetselportal/bilder/ungeloest.png) | Confetti Sums II by Gliperal (on 16. December 2020, 07:14) | 15 | ![sehr schweres Rätsel 5](/Raetselportal/bilder/level5.png) 86 %
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![unsolved unsolved](/Raetselportal/bilder/ungeloest.png) | Killer Grand Tour Sudoku by antichaos (on 16. December 2020, 15:55) | 4 | ![Vom Rätselautor geschätzt: schweres Rätsel 4](/Raetselportal/bilder/ulevel4.png) N/A
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![unsolved unsolved](/Raetselportal/bilder/ungeloest.png) | Multiple Cell Kropki by PrimeWeasel (on 22. December 2020, 23:44) | 5 | ![Vom Rätselautor geschätzt: sehr schweres Rätsel 5](/Raetselportal/bilder/ulevel5.png) N/A
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![unsolved unsolved](/Raetselportal/bilder/ungeloest.png) | Sandwiched in Between by udukos (on 16. January 2021, 05:37) | 28 | ![schweres Rätsel 4](/Raetselportal/bilder/level4.png) 99 %
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![unsolved unsolved](/Raetselportal/bilder/ungeloest.png) | Kropki Snake Sudoku by Video Floral (on 10. February 2021, 19:13) | 11 | ![Vom Rätselautor geschätzt: schweres Rätsel 4](/Raetselportal/bilder/ulevel4.png) N/A
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![unsolved unsolved](/Raetselportal/bilder/ungeloest.png) | Krop Kages by Philipp Huber (on 13. February 2021, 22:44) | 18 | ![sehr schweres Rätsel 5](/Raetselportal/bilder/level5.png) 98 %
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