All the games.
Numbers, words and pictures, each with four levels. Pick one for its rules, where it comes from, and the techniques its hints use.
Numbers
Sudoku
The classic 9×9, with hints that name each technique
Mini Sudoku
Sudoku on a 6×6 grid
Tally
Cross-sums — make every row and column add up
Tally Hive
Cross sums in three directions, on a hexagon
Hexagonal Board
Abacus
Fill the grid so every cage's arithmetic works out
Terminus
Route one unbroken line that serves every stop
Terminus Hive
The same line, through every hex
Hexagonal Board
Landmark
Numbers appear on the grid, then hide — point to where each one was
Span
Join the islands with the right number of bridges
Words
Cipher
Deduce the hidden word
Word Search
Find the listed words hidden in a grid
Tumbler
Turn one word into another, a letter at a time
Forage
Build words from a bag of letters
Beacon
Watch the words light up, tap them back in order
Witness
Rule out the suspects the clues contradict
Loom
A crossword with no clues — place each block's letters
Amble
Words that wind through the grid and use every letter
Amble Hive
Amble on a honeycomb
Hexagonal Board
Visual
Crowns
One crown per row, column, and colour — none touching
Crowns Hive
Star Battle on a hexagon: one crown per line, three ways
Hexagonal Board
Equinox
Balance suns and moons in every row
Mosaic
Fit the pieces to cover the board exactly
Mosaic Hive
Pack polyhex pieces into a hexagonal board
Hexagonal Board
Trailhead
Draw one closed loop that satisfies every clue
Mirror
Flip the cards, find the pairs
Lattice
Watch the pattern, then recreate it from memory
Parcel
Divide the board into rectangles that match their clues
