Trail Switch

Connect numbers and letters in alternating order: 1 → A → 2 → B → … → 13.

Reduced motion is on: this preview shows a static frame instead of an animation.

Game challenge

Connect all 25 nodes with zero errors

Can you complete the full challenge?

Connect the circles in alternating order. After a 3-second countdown the clock starts at GO.

How to play

  1. Connect the circles in order, alternating numbers and letters: 1 → A → 2 → B → … → 13.
  2. Tap each circle in turn, or drag through them in one line.
  3. Wrong touches count as errors and are shown as you go: there is no time penalty.
  4. An untimed eight-node warm-up is offered first; you can skip it.
  5. After a 3-second countdown the clock starts at GO.