Intermediate · Est. 2–4 minEstimated from solution stepsRecommended for: Curious puzzle lovers
THE RULE WORLDS
Find the rule.Change the world.
Tap. Observe. Try something unexpected.
Tap → observe the change → complete the mission
Chapter 1
A Small Request
BeginnerBeginner · Est. 3–5 minEstimated from solution stepsRecommended for: Families · first-time players

What will happen? Try an object.
What will happen? Try an object.
Your experiment notebook
Little steps, big discoveries.Your discoveries appear here as you try things.
THE RULE WORLDS
17 little puzzles. A new rule each time.
Choose any chapter. Nothing is locked.
Advanced · Est. 11–17 minEstimated from solution stepsRecommended for: Curious puzzle lovers
Intermediate · Est. 3–5 minEstimated from solution stepsRecommended for: Curious puzzle lovers
Intermediate · Est. 3–5 minEstimated from solution stepsRecommended for: Curious puzzle lovers
Intermediate · Est. 2–4 minEstimated from solution stepsRecommended for: Curious puzzle lovers
Beginner · Est. 3–5 minEstimated from solution stepsRecommended for: Families · first-time players