Player experience y player motivation:

Motivacion: power, completion, strategy, challenge, discovery, fantasy, story

Progresion: advancing little by little, facing different rooms to unlock items, stories, statues to find the missing sister.

Design objectives:

Comercial objectives:

IDK

Game loops

The main loop:

the player explore the ruins of an abandoned city while searching for his sister.

The player choose a room from the map, clears it and advancing until you either succeed or are defeated.

Defeating enemies and using statues & runes gives you more info about them you can use in the next runs.