Puzzle games
Logic, numbers, words and knowledge: here you will find puzzle games for a quick break or a quiet hour. They all run right in your browser on phone, tablet and PC, with no download and no sign-up – and your progress is saved automatically.

Sudoku
The classic number puzzle: solve 9×9 grids at three difficulty levels, with notes and hints.

SumFocus
Learn 21 mental maths tricks flashcard-style: understand, practise, master them in a test, review.

BottleSort
Pour colour layers until every bottle holds a single colour – endless levels in three difficulties.

Nonogram
193 picture logic puzzles: fill cells by logic until a pixel image appears – solvable without guessing.

MergeUp
Swipe and merge number tiles – can you reach 2048 and beyond?

Hangman
Hangman with a balloon: guess the word letter by letter on three levels.

JadeStack
Mahjong solitaire: clear pairs of matching free tiles until the stack is gone – every deal can be solved.

GeoQuiz
Learn the countries, capitals and flags of all 195 nations – with a map and flashcards.

Rummage
Dig through a tumbling heap and find every pair before time runs out.

Bridgezilla
Join rods of one length into a bridge and see if a car, a truck or a little train makes it across.

BrewBurst
Match-3 in a magic cauldron: brew potions and tilt the cauldron, no lives, no purchases.