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 Specific puzzles / your own puzzles (Calcudoku / Killer Sudoku) 
 Topics   Author   Replies   Views   Last post 
No unread posts   Bitwise Or

beaker

4

7259

Tue Nov 16, 2021 11:03 am

beaker View the latest post

No unread posts   15x15 18th September 2021

paulv66

9

10561

Tue Oct 12, 2021 10:43 pm

sjs34 View the latest post

No unread posts   User Puzzle - tcorbet

frederick

4

5509

Mon Sep 20, 2021 1:59 pm

eclipsegirl View the latest post

No unread posts   26th June 2020 Extra - 15x15

paulv66

2

4781

Tue Jun 29, 2021 9:50 am

michaele View the latest post

No unread posts   Yet another beautifully designed 8x8 user-created puzzle

marblevolcano

5

5369

Sun Jun 27, 2021 10:25 am

clm View the latest post

No unread posts   Another nice user puzzle today.

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mayaknife

10

8495

Tue Jun 01, 2021 10:00 pm

fzpowerman47 View the latest post

No unread posts   My first puzzle (7x7)

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swimminghorses

10

7507

Sun May 09, 2021 5:51 pm

bram View the latest post

No unread posts   counting for 2021

eclipsegirl

3

3107

Tue May 04, 2021 4:56 pm

eclipsegirl View the latest post

No unread posts   Difficult 8x8 3 September 2020

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paulv66

13

9721

Fri Mar 26, 2021 10:37 pm

beaker View the latest post

No unread posts what puzzle is this?

pnm

2

3180

Sat Mar 06, 2021 1:14 pm

pnm View the latest post

No unread posts   7x7 mod today

beaker

4

3775

Tue Mar 02, 2021 12:03 am

eclipsegirl View the latest post

No unread posts   Killer Sudoku 'Plus': 3 puzzles, easy, medium and difficult

michaele

0

3006

Wed Jan 27, 2021 1:25 am

michaele View the latest post

No unread posts   a4m5

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paulv66

15

13288

Wed Jan 20, 2021 2:11 am

eclipsegirl View the latest post

No unread posts   question about the 6x6 difficult of Saturday the 16th

pnm

7

5121

Tue Jan 19, 2021 2:26 am

pluto View the latest post

No unread posts   User submitted bitwise X-Calcudoku

michaele

0

3096

Mon Jan 11, 2021 10:55 am

michaele View the latest post

No unread posts   X-Calcudoku

michaele

0

2908

Tue Jan 05, 2021 1:25 am

michaele View the latest post

No unread posts   interesting variant

pnm

2

3027

Mon Jan 04, 2021 1:30 am

eclipsegirl View the latest post

No unread posts   Ho Ho Ho, a Christmas puzzle

michaele

3

3469

Tue Dec 29, 2020 9:35 pm

michaele View the latest post

No unread posts   -3 to +3 user submitted puzzle

michaele

5

4184

Tue Dec 22, 2020 2:15 am

michaele View the latest post

No unread posts   A puzzle inside a puzzle

michaele

2

3214

Wed Dec 02, 2020 11:13 pm

michaele View the latest post

No unread posts   Another Difficult Killer Sudoku (user submitted puzzle)

michaele

2

3133

Sun Nov 29, 2020 7:48 pm

kozibrada View the latest post

No unread posts infinite Calcudokus at the University of Bristol

pnm

5

4100

Sun Oct 25, 2020 11:13 pm

beaker View the latest post

No unread posts   Today's 6x6 "Difficult" is quite easy.

mayaknife

2

2980

Mon Oct 12, 2020 1:20 pm

frederick View the latest post

No unread posts   Difficult Killer Sudoku

michaele

6

4504

Fri Oct 09, 2020 10:15 am

michaele View the latest post

No unread posts   How difficult is this puzzle?

michaele

4

3767

Tue Oct 06, 2020 10:51 am

michaele View the latest post

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