Brain games & puzzles
Daily-style word puzzles, sudoku and crosswords next to scientifically grounded cognitive tests. All free, no signup, works on any device.
Browse by type
Puzzle games
Wordly
Guess the 5-letter word in 6 tries
Quadle
Solve 4 word puzzles at once
Connections
Find four groups of four words
Spelling Bee
Make words from 7 letters
Mathle
Guess the hidden equation
Strands
Themed words hidden in a grid
Sudoku
Classic 9×9 number puzzle
Mini Crossword
A quick 5×5 crossword
Speed Reading Test
WPM with comprehension check
Brain Age Test
What is your cognitive age?
X-Sudoku
Sudoku with diagonal rules
Speed & Reflexes
Memory
Sequence Memory
Repeat the growing pattern
Number Memory
How many digits can you hold?
Verbal Memory
Seen it before, or brand new?
Visual Memory
Remember the flashing tiles
Chimp Test
Are you smarter than a chimpanzee?
Dual N-Back
The working memory heavyweight
Memory Match
Clear the pairs, beat the clock
Word Memory
Study a list, then find it in a grid