For lovers of Kenny Sun's previous titles, the newest addition, Yankai's Peak, is out now worldwide for iPhone and iPad.

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In keeping with Yankai's Triangle, Yankai's Peak celebrates the humble pyramid in a brain-tingling and puzzling manner. It's all about getting the right coloured pyramids into their predestined areas by shifting and prodding them around the grid.

With over 130 closed-in, hand-crafted levels to solve, a neat and weirdly relaxing soundtrack, and seven different mechanics to aid your progress, take heed as you play. It may look pretty simple, but there's more to it than you'd think.

First announced in mid-March, you can grab the game on the App Store now for discounted price of £1.99/$1.99.