CornerstoneQuest

A fresh island every day. Where does your first cottage go? Tap the corner you'd build on — then the surveyor shows you the best spot and why. A 3-minute placement puzzle for ages 9–14, computed on-device.

CornerstoneQuest mascot

Meet the cast — the characters who teach this

Each one stands for an idea you’ll practice. Tap a character to read their illustrated story.

Explore all the stories →

What next? Pick a door

Chosen from what this app is about. What you open is remembered on this device only.