Open Planet Software introduces Radiant Grid 1.0, an immersive, minimalist puzzle game for iOS devices. In Radiant Grid, each level features a grid with a radiant colour scheme. To solve each puzzle you create a continuous path across the grid by lighting up the squares. With 99 increasingly challenging, handcrafted puzzles and a beautiful and calming soundtrack, Radiant Grid will give you hours of relaxing game play. Radiant Grid is $1.99 and can be downloaded from iTunes.