Name: Subnautica
Price: 8.99 USD
Author: Unknown Worlds

Ready

Fills the whole inner screen.

Built with the iOS 27.1 SDK or later.

Subnautica

Subnautica on the inner screen: fills the whole inner screen. It gets 2,853 × 2,007 pixels, drawn to the geometry measured in the simulator.

How we know

Developer says so
The notes for version 1.2.7 say:
Subnautica now supports iPhone Duo! - Play on either screen. The game adapts to both the main display and the cov…

Is Subnautica ready for iPhone Duo?