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ORX

Orx is an open source, portable, lightweight, plugin-based, data-driven and easy to use 2D-oriented game engine written in C.

It currently runs on Windows ( MinGW and Visual Studio versions), Linux ( X86 & X86-64), Mac OS X (10.4-10.9, PowerPC, X86 & X86-64), iPhone/ iPod Touch/ iPad and Android.