A FIRST-PERSON ADVENTURE IN THINKING

The archive
of ideas.

Enter. Explore. Handle what you find.
Every door holds a good question.

Designed for desktop · Keyboard and mouse · No timer

The three-dimensional balance cabinet, with a desk, coins and a library.

01 / THE CABINET

FIRST CHAPTER · THE CABINET

The difference
is in your reasoning.

The working desk

Pick up to two coins and place them with a click.

Your notebook

Two pages: how to play and what the challenge asks.

A room to explore

Explore the cabinet or press F to work at the desk with a free cursor.

The puzzle is in the room.

Walk with WASD, look with the mouse and press E to pick up or use objects. Press B to read the controls and the challenge in your notebook. Coins snap into the pans. This first chapter is about proving which coin is heavier.

Progress saves in this browser. The adventure requires WebGL 2 graphics; mobile controls are not adapted yet. Website challenges remain available separately.

Open the website challenges ↗