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# Introduction

The Stellar Game Engine (abbreviated “SGE”, pronounced as “Sage”) is a free 2-D game engine. The purpose of the SGE is to make game development easier, which allows more rapid development by experienced game developers and also helps less experienced game developers learn how to develop games.

Official implementations of the SGE are free/libre software, and the SGE documentation is free/libre as well.

Even if it isn’t required of you, we encourage you to release your games’ code under a free/libre software license, such as the GNU General Public License, the Expat License, or the Apache License. Doing so is easy, does not negatively affect you, and is highly appreciated as a contribution to free/libre software.

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