The player, as the young pilot Bess, adventures to rescue her kidnapped father when their plane crashes into a fortress in the clouds.

Polygon likened the gameplay to playing with action figures with the occasional opportunity to interact directly with their puzzles.

[1] Early builds of the game, such as the one at Oculus Connect in 2014, had the player look in the direction they would like Bess to travel, and would tap on the headset to send her there.

Not knowing how players would respond to the new hardware, Uber made the game's puzzles relatively easier in difficulty, for a comfortable three hours of gameplay.

Ekanayake tested the game with his kids and designed its puzzles such that players would not put down their headsets in frustration.