# Puzzles

## Archive

Show me a random puzzle**Most recent collections**

#### Sunday Afternoon Maths LXVII

Coloured weightsNot Roman numerals

#### Advent calendar 2018

#### Sunday Afternoon Maths LXVI

Cryptic crossnumber #2#### Sunday Afternoon Maths LXV

Cryptic crossnumber #1Breaking Chocolate

Square and cube endings

List of all puzzles

## Tags

geometry crossnumbers coins addition square numbers floors wordplay quadratics dodecagons means circles spheres hexagons 3d shapes bases remainders probability taxicab geometry money mean books crosswords proportion planes arrows multiples numbers digits calculus sport ave pascal's triangle sum to infinity rugby perfect numbers odd numbers advent averages perimeter colouring complex numbers irreducible numbers cryptic crossnumbers graphs angles probabilty speed triangle numbers partitions routes balancing integers folding tube maps cube numbers menace coordinates 2d shapes prime numbers chalkdust crossnumber games division sequences grids volume polygons differentiation trigonometry rectangles shape triangles lines palindromes clocks symmetry cryptic clues dice regular shapes area star numbers people maths time integration squares algebra doubling unit fractions factorials logic multiplication functions square roots fractions number sums scales shapes percentages chocolate surds christmas cards ellipses dates parabolas chess factors indices## 11 December

This year, I have spend a lot of time working on the AVE game engine.
Today's answer is the code to the safe in this Christmas themed game.