Rubin.io

HOW TO PLAY:
- swap gems in the bottom line to make columns of three gems of the same color
- match more columns in a row to earn extra points

Strategic moves:
- take your time in Zen mode and try to match as many columns in a row as you can to beat high score
- keep your eye on the clock in Marathon mode - matching gems will give you additional game time

Download end enjoy this addicting game now!