Open Source Windows Game Engines

RetroGear is a generic 2D game engine, designed for the simple and fast retro games development, like those of the 80s. The project aims to create generic components for rapid development of 2D games, based on the most common practices of game programming and design known, giving in the hands of the programmer, standard components and easy to integrate with their own projects. Some of the features offered by this game engine are: A basic but pratical game states management (screen titles, pre-game, game, game over, etc ...) Management of 2D maps, with practical and useful tools for managing graphics, scrolling and collisions. Functions for handling graphics at high and low level, with the addition of functionality to the management of animations of the game entities, in a fully automatic manner. Management of basic audio Scope of game dynamics and designed to be used in a variety of game types, so easy and fast, thanks to the dedicated functionality.

DimensioneX is a free Massive Multiplayer Game Engine. It lets you develop and then run or host browser-based, graphical multiplayer games. The users will play games simply via their browser. DimensioneX runs on any Java-enabled web server (eg. Tomcat)

Arcade is a lightweight,self contained 2D/3D game engine written in C++. Arcade uses OpenGL for graphics and DirectX for sound,music and user input. Implemented features: 2D Primitives (lines,circles,ellipses,rectangles...) Full screen/windowed mode toggle during program execution V-SYNC and double buffer smooth fading Sprites,sprites animations,sprite rotations and linking Image loading (actually only TGA,PCX,BMP are supported) Fast raster operations on images 3D (not completed yet) Scen Graph Rotations,translations,SLERP,and other geometric transformations 3D primitives 2D rendering in 3D mode lighting camera,fps camera Input engine async keyboard reading mouse input joystick/joypad Sound effects and music Loading of .WAV files. Vlume,e pan control Loading of music files Utility file packaging end encrypting (for resource) Charset blitting