More from Chalkdust
Christmas puzzle #3: Colouring by numbers
Puzzle #3 in our 2020 Christmas puzzle series
Issue 07
Think outside outside the box in our spring 2018 issue. No more tennis puns, primes mod 4, plus all your favourite regulars.
Advent Calendar: 24 December
It's the last day of the Chalkdust advent calendar, so there must be something very good behind today's door...
The Chalkdust Christmas card
This year's Chalkdust puzzle Christmas card
Advent puzzles II
Behind today's door... a puzzle!
Do you have too many or too few friends?
Do we have a natural limitation on the number of friends that we have?