If the title of this game sounds familiar, don't worry you are correct in that assumption. For those of you who follow our Weekend Coder series these articles are dedicated to providing useful information to native developers. One of the examples used for demonstrating a native UI/UX was for a number puzzle game called Double Up. While this may have been inspired by "Threes" and "2048" by no means does it play the same way.

The board and number tiles may resemble Threes but the level of difficulty supersedes that of the others, at least in my opinion. I always enjoy a good puzzle game and this one keeps things interesting. The object of the game is to combine numbers by swiping them (in either direction) into the each other, either using the wall or a non-matching number that is touching a wall. After each swipe, new numbers appear on the board from the opposite direction. Your goal is to continue combining pairs of numbers, which add up to a higher number tile, as fast as you can before the board fills up and you run out of moves. Basically, it's all about maneuvering the board so that not only must you combine these like numbers but make sure there is enough room to do so, all while getting the highest score possible. This is not an easy task as by the time high numbers there are probably very few free spaces left.

Speaking of high scores, Scoreloop integration shows you the online leaderboard populated with the current all-time rankings or 24-hour scores. Personally, I have not even yet reached Brian's highest score, yet I find it perplexing how forums member and developer SCrid2000 has a score of 1406. It is definitely one I am going to try to beat and I challenge you to do the same.

This combination of matching and strategy makes for not only a challenging game but a good time waster as well. My playing time is mostly relegated to my long commuter rides on the train. I find myself devoting the entire trip trying to come up with a game plan that nets me the highest score possible.

Double Up offers a clean and refined interface, a custom UI whereby you swipe between menu pages and the graphics are easy on the eyes. If you are looking for an enjoyable diversion from the daily grind then this is worth paying $1.99 for. There is also a free version available to download as well with ads. Players may also share the screenshot of their final score which is the reason why it asks for shared files and capture screen permissions when loaded.

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