Number Dumber

Number Dumber is a classic and historic sliding puzzle game also known as the Gem Puzzle, Boss Puzzle, or Game of Fifteen. Originating in the 19th century, this famous puzzle involves arranging numbered tiles within a frame by sliding them into an empty space to achieve a target sequence. The game has deep roots in American history and challenges players' problem-solving and heuristic modeling skills.

This version features 9 unique goals with different number sequences to solve. Players aim to complete each sequence in the minimum number of moves possible. While time is not limited, players can track their progress and record their best scores. The final goal presents an impossible puzzle, encouraging players to strive for their best attempt. Ads may appear at the top of the screen as this is the ad-supported version of the game.