Solve puzzles, find hidden objects, and decode secret messages to rooms. Use hints to progress through levels. Interact with environment objects to uncover clues and complete challenges.
Compare two images and identify differences. Tap on discrepancies to mark . Access hints if stuck. Play unlimited levels with increasing difficulty. Track progress and revisit previous puzzles.
Solve puzzles by interacting with objects, handles, buttons, and wheels on boxes. Find puzzle pieces on box sides to complete levels. Each level pack contains 8 boxes that reveal a history of an invention when all are opened.