ABOUT US


Alanna Yeo✶
Designer, Storyteller
Thorn & Key
Alanna is a narrative designer, puzzle maker, and curious archivist of secrets both real and imagined. Under the name Thorn & Key, she crafts immersive puzzle game experiences that blend storytelling with clever mechanics.
From foldable puzzle zines to pop-up escape rooms, Alanna’s work invites players to slow down, pay attention, and discover the charm hidden in everyday places.
Our Services
Outside of shop products, Thorn & Key offers select design services that invite curiosity, encourage exploration, and leave your audience wondering what else might be hidden. All projects are custom-built and rooted in immersive storytelling.

1
Puzzle and Narrative Design
Design of bespoke puzzles, immersive clues, or narrative experiences, both digital or physical. Ideal for exhibitions, hospitality spaces, and other cultural activations.
2
Site-Specific Mystery Experiences
Layered, lore-rich installations and mysteries tailored to your venue or event. Whether once-off or more permanent, these memorable experiences are designed to unfold slowly and create wonder.
3
Story-Driven Product Development
Consulting and co-creation for physical goods or printed media that need a narrative edge. Limited edition boxes, puzzle mail, interactive zines, and more.