About Sum Up GameSum Up is a numerical tile merging game. Use your mouse to grab a number tile and drag it into another number tile of the same value. Repeatedly merge tiles to make numerical tiles of higher values. As you progress through the game some adjacent tiles are bonded together with chains, which forces you to move them as a set, or to merge into either side of the set to break the bond. New number tiles come up from the bottom periodically. Play until you run out of space. When you restart the game you can start in units of 5 based on however far you made it (e.g. you can start with tiles 5, 10, 15, 20, or 25 unlocked at the beggining of the game. This is a JavaScript web application which uses cross-platform mobile-friendly HTML. All modern web browsers like Microsoft Edge, Apple Safari, Google Chrome, Mozilla Firefox and Opera should support it. This game works on just about any type of computing device including Microsoft Windows desktop computers, Apple OSX Mac computers, iOS powered tablets and phones like the iPad and iPhone, laptops like the Google Chromebook, and the many types of mobile phones from manufacturers like Samsung which are powered by Google Android.

Rate This Game

A Constantly Growing Catalog

Our site offers thousands of free online games. Every week we add new games to our catalog.

Want to support our site so we can offer you more games to play? Share our site with your friends in person and on your social media channels, so we can grow our catalog and offer more free & fun online games.