What is Tri-Trick?

Tri-Trick is a simple yet quite challenging puzzle game. There is an electronic version and a physical version of it. The electronic version looks like as below:

Can't wait to try it? Click here to play it online or download a free game here.

Goal of the game

The goal of the game is to arrange nine scrambled digits (e.g. Figure A) into sequential order (Figure B) by exchanging them.

Rule of the game

Tri-Trick has only one simple rule: Any three adjacent digits form a group, which can be exchanged with another group.

For example, as shown below, group 1 can be exchanged with group 2 or group 3.

Demo

An online demo is available to demonstrate the game (Flash plugin is required for your Browser). To see the demo, please click here, then choose "Demo".