"Pyramid Perfection"
5/5 - TouchArcade

"One of 2017's best puzzle games"
9/10 - Pocket Gamer

"Pyramids... Pyramids... Pyramids..."
- Kotaku

YANKAI'S PEAK. is a love letter to PYRAMIDS. A colorful PYRAMID-pushing puzzle game about the beauty and joy of being a sentient blue PYRAMID.

- Pretty cool gameplay.
- Over 130 handcrafted levels.
- 7 PARTs each exploring a unique multifaceted mechanic.
- Meditative sound design.
- No IAP.
- Taptic feedback (iPhone 7+).
- A sick intro.

A game by Kenny Sun.
Music by JACK+JIM.

(YANKAI is pronounced YEN - KYE).

Best on iPhone 5s & above, iPod 6th gen & above, using iOS 10.

What’s New

Version 1.0.7

This app has been updated by Apple to use the latest Apple signing certificate.

- iPhone X Support
- Minor Bug Fixes

Ratings and Reviews

4.8 out of 5
155 Ratings

155 Ratings

turrit_hugger ,

The most honest five stars I have ever given.

This game is so long for what it costs! Not only that, the graphics are amazing and there is even a “level skip” system that is so good for players like me, who can grasp the basic concepts, but not all of the more complex and nuanced actions, who can just skip the levels with complex solutions that we don’t entirely grasp. The App Store needs more games like this. Great work to the developers who were able to package this amazing piece of eye candy and a weeks worth of brain teasers in such a small package (that is, my overcrowded and old phone) 👍👍👍

andysphere ,

Challenging and Engaging

A real challenge, but once you get the hang of it, it is immense fun. I have beaten the game (it took a while, as it has many very different levels) and I continue to replay because it's so enjoyable. It racks your brain in a good way. Very unique--unlike any other iPhone game I've played. I super recommend.

Quantumator ,

Very creative

You see a lot of similar puzzle games on the App Store. This one is different enough to feel fresh and new. Fairly simple mechanics, but some of the puzzles can be quite tricky.

Kenny Sun and the Sun family in general are amazingly creative. I highly recommend giving all his apps a go. 👍🏻

App Privacy

The developer, Kenny Sun, has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer’s privacy policy.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Game Center

    Challenge friends and check leaderboards and achievements.

  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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