Reflex tests and puzzle games that measure fairly

Free, no sign-up, nothing to install. Your scores stay in this browser, so you can track your own progress without an account.

Reflex and memory tests

Ruler Drop TestCatch the falling ruler. Five drops, scored in centimetres and milliseconds.Start test
Number PeekHold to peek at a number, then type it back. It grows every round.Start test

Puzzle and strategy games

Sliding PuzzleSlide the tiles until every row and column rises. Classic mode too.Play
Four on the HillFour in a line on a hill-shaped board, and you must follow your opponent.Play

Your data

No account and no server copy. Results are saved in this browser only, and each game page has a button to clear them.