GOAL: Maximize your bit rate over a single 60-second run.
- Type the highlighted letter — capitalization doesn't matter.
- In Easy and Medium, the letter is highlighted in white.
- In Hard, the letter is highlighted in the specified color.
- Every press is one selection and immediately advances the board (no backtracking).
- Wrong presses subtract from your score — accuracy matters as much as speed.
B = log2(N−1) · max(Sc−Si, 0) / t
or press Space
Tip: During the game, press Esc to pause or restart.
Grading across runs? Every run is saved. View your full score history .