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Cube Land Puzzle Game app icon

Rotatelab

Games v0.6.2

Does Cube Land Puzzle Game work on iPhone Duo?

It works, but with black bars. Cube Land Puzzle Game hasn't been updated for iPhone Duo's inner display yet, so it runs in a phone-sized window.

Black barsFrom the app's buildLast checked
Illustration: app runs in a phone-sized window with black bars on both sides
Cube Land Puzzle Game on the inner display — black bars

At a glance

Inner display (7.6″)
Black bars
Outer display (5.4″)
Works normally
Built with
Not read yet
We read each app's build SDK after it updates
iPad version
Yes
Layout already handles big screens
Latest version
v0.6.2
Nov 3, 2026
Duo in release notes
Not yet

About Cube Land Puzzle Game

Cube Land Puzzle Game is made by Rotatelab and first came out on the App Store in January 2026. It's #68 on today's US App Store top charts. It has 39,748 ratings on the US App Store, averaging 4.7 stars. Version 0.6.2 came out on Nov 3, 2026 and needs iOS 15.0 or later. It's free to download. Among the 238 games we track on the US App Store, 34 already fill the inner display, 9 are partly adapted and 187 still show black bars. By number of ratings, Cube Land Puzzle Game is #153 of them.

From its App Store listing:

Blast your way through colorful cube worlds! Cube Land Puzzle Game is a satisfying 3D block puzzle where every shot counts. Aim color matched blasters at cube structures and watch them crumble piece by piece. Plan ahead, pick the right blaster at the right moment, and clear each level with style. WHY YOU'LL LOVE CUBE LAND PUZZLE GAME • Satisfying destruction, every block blast feels great • Easy t…

On the inner display

Apps built with older SDKs are placed in a phone-sized safe area on a black background. Everything works; you just don't get the bigger screen.

Why some apps show black bars on iPhone Duo

In Split View

iPhone Duo is the first iPhone that can show two apps side by side, and every app takes part — including Cube Land Puzzle Game. Open it on the inner display, then add a second app next to it. You can save the pair and come back to it later.

How Split View works on iPhone Duo

Duo-specific features

None confirmed yet. Duo-specific features include side toolbars, layouts that react to the fold, and content on the outer display while the app is open inside.

Evidence & history

  1. App build,

    Version 0.6.1 is built with the iOS 26.5 SDK

    Apple runs apps built with the iOS 26 SDK or earlier in a phone-sized window on the inner display.

  • : Not confirmed yet → Black bars — built with the iOS 26.5 SDK

Latest release notes

Version 0.6.2 · Nov 3, 2026

Performance improvements and bug fixes.

Questions

Does Cube Land Puzzle Game work on iPhone Duo?

It works, but with black bars. Cube Land Puzzle Game hasn't been updated for iPhone Duo's inner display yet, so it runs in a phone-sized window.

Does Cube Land Puzzle Game work on the outer display?

Yes. iPhone Duo's 5.4-inch outer display behaves like a regular iPhone screen, so every iPhone app works there as usual.

Can I use Cube Land Puzzle Game in Split View on iPhone Duo?

Yes. On iPhone Duo every app can be placed side by side with another app on the inner display — developers don't need to opt in. How comfortable it feels at half width depends on the app's layout.

Why does Cube Land Puzzle Game have black bars on iPhone Duo?

Apps built with the iOS 26 SDK or earlier run in a phone-sized window on the inner display, and iOS 27 builds can still leave some space empty. The bars disappear once the developer rebuilds the app with the iOS 27.1 SDK — you only need to update the app.

When will Cube Land Puzzle Game fill iPhone Duo's inner display?

When its developer releases an update built with the iOS 27.1 SDK or later. We read the SDK of every new version of Cube Land Puzzle Game within about a day of its release and update this page.

What can I do about the black bars until then?

Use Cube Land Puzzle Game on the outer display, where it works like on any iPhone, or put it in Split View next to another app on the inner display so less of the screen goes unused.