Mercutio

Premium dominoes with the warmth of a back-porch table. Play All Fives, All Threes, Fives & Threes, Bergen, Block, Draw, Matador, Mexican Train, or Chicken Foot against a thoughtful AI — or pass the device for 2–4 friends, a four-player free-for-all, or 2v2 partners. Sculpted tiles, a daily challenge, leaderboards, achievements, and an interactive tutorial that teaches real strategy.

by Mercutio

A premium reaction timer. Watch the animated shape — click the instant it turns green. Five rounds, global leaderboard.

by mercutio

Memorize a Lissajous figure — a parametric curve formed by two sine waves — then tune it back after it is scrambled. Drag horizontally to adjust the frequency ratio, drag vertically to adjust the phase. How precisely can you restore the original pattern?

by mercutio

Learn Morse code by ear and touch. Tap for dots, hold for dashes. Three difficulty levels — from the simplest six letters to full alphabet and digits with speed bonuses.

by mercutio

A color memory game. Study a photo's tone for 5 seconds, then restore it after a color shift is applied — across 5 rounds. Scored on how precisely you match the original.

by mercutio

Learn how Git really works — visually. Build real Git commands by tapping (no typing) and watch a live commit graph branch, merge, and rebase in real time. A guided 17-lesson curriculum takes you from your first commit to untangling diverged branches, plus Practice, Sandbox, and a Daily puzzle.

by Mercutio