About GemLock Puzzle GameGemLock Puzzle is a 15-level Sokoban game. Move the character around the screen by pressing the arrow keys on your keyboard. Push rocks out of the way to either grab the key or ensure a rock is set on each floor tile with a gray bolder symbol. Clear a path to the green gem and collect it to advance to the next stage. 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.

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