Play Rullo HTML5 Game Instruction
The sum of numbers in each row or column must be equal to the number in the box. Play Rullo HTML5 game. Rullo is a minimalist math puzzle game that you can play online for free. It is a HTML5 game, so you can play it on any computer or mobile device that has a web browser. The goal of the game is to make the sum of numbers in each row and column equal to the number in the box. To do this, you can click on numbers to remove them from the equation. The game has 3 levels of difficulty and 5 different board sizes, so there is a challenge for everyone.
