← modes
Dual 3×3 grids
Press the key at the lit position. Each mistake cancels a hit. N = 18 · 4.09 bits per hit
A 3-second countdown precedes the run. B = log2(N − 1) × max(Sc − Si, 0) / t, updated live.
Press the key at the lit position. Each mistake cancels a hit. N = 18 · 4.09 bits per hit
A 3-second countdown precedes the run. B = log2(N − 1) × max(Sc − Si, 0) / t, updated live.