The "devilishly challenging" puzzler Shades is free on the App Store this weekend
Not so shady
Shades is a Tetris-like puzzle game that asks players to pair colors, rather than different shaped blocks, to clear the board.
It launched on the App Store in September.
According to the developers, Shades was featured in Apple's "Best New Games" category and ranked #1 in the US and UK App Store's paid "Puzzle Games" section.
Usually selling for £1.49 / $1.99 on the App Store, Shades is now a free download for the weekend.
The sale ends October 26th, so nab it while you can!