Match colored edges, rotate each pentagonal piece, and rebuild the dodecahedron.

PLATO: Hidden Forms

MATCH THE COLORS. FIND THE ONLY VALID FACE. RESTORE THE PLATO.

PLATO: Hidden Forms is a tactile 3D spatial puzzle game in which every loose pentagonal facet has exactly one valid location.

Rotate the PLATO, inspect its entire surface, rotate the selected facet, match its colored edges with the facets already in place, and drop it into its hidden position.

HOW TO PLAY

(Full version at the end of this page)

1. Explore the PLATO

Rotate the complete solid freely in every direction — including across its poles — to inspect all sides and search for possible connections.

2. Rotate the loose facet

Turn the selected facet clockwise or counter-clockwise until its colored edges align with the neighboring facets.

3. Match the colors

Some positions provide several matching edges. Sometimes, a single matching color is the only clue you need.

Every loose facet has exactly one valid location. Once you find a matching position, you have found its home — there is no second possible slot to check.

4. Drop it into place

Confirm the position and continue rebuilding the hidden form.

Each Level gives you three lives. Observation, precision and efficient movement become increasingly important as the challenge grows.

FREE ALPHA DEMO — CHAPTER I: FOUNDATIONS

The current version includes:

• 28 handcrafted and solver-verified PLATO puzzles
• 4 progressively richer Levels
• Three-life Level runs
• Score bonuses and medals
• Objectives based on precision, speed and movement economy
• Multiple local player profiles
• 12 selectable languages
• Browser and Windows versions
• Keyboard and mouse controls
• Autosave and crash recovery

HOW THE CHALLENGE EVOLVES

The first puzzles teach you how to read the PLATO and recognize valid connections.

Later chapters introduce:

• More deceptive color combinations
• Similar colors designed to create hesitation
• Facets located farther away from their matching neighbors
• Incomplete and isolated visual clues
• More demanding movement routes
• Increasing time pressure

The rules remain consistent. The challenge comes from learning to read the entire structure faster and more accurately.

THE COMPLETE GAME

The planned full version of PLATO: Hidden Forms will contain:

• 5 Chapters
• 40 Levels
• 420 handcrafted PLATO puzzles

DEVELOPMENT STATUS

This is a free alpha demo representing the first Chapter of the planned game.

Balance, presentation, translations, controls and game feel will continue to improve through player testing and feedback.

Play the demo for free. Optional contributions directly support the development of the complete game.

Play the complete Chapter I free in your browser, or download the Windows edition.

CHOOSE YOUR EDITION

• Web: play instantly in your browser; English, French and Spanish; one local profile; automatic browser save.
• Windows: downloadable 64-bit edition; 12 languages; multiple local profiles; local Hall of Fame; offline play.

Both editions share the same Chapter I gameplay and content. No account, telemetry, cloud synchronization or online leaderboard.

CONTROLS

• Move mouse / arrows : navigate the PLATO
• Mouse wheel / A–E (AZERTY) / Q–E (QWERTY): rotate a facet
  
• Right click / Space: drop a facet
• -
• Enter: menu (Web)
• Esc or Enter: menu (Windows)
• S: skip splash screens / continue from scores
• M: swap monitors/screens (Windows Only)
• +/-/= : controls Sensitivity

Browser saves are stored locally. Private browsing or clearing this site's data may remove your progress.

Development release — your feedback is welcome.