Open Source C++ Games

The Irrlicht Engine is an open source high performance realtime 3D engine written and usable in C++. It is completely cross-platform, using D3D, OpenGL and its own software renderers.

ScummVM is a cross-platform interpreter for many point-and-click adventure games. This includes LucasArts SCUMM games (such as Monkey Island 1-3, Day of the Tentacle, Sam & Max, ...), many of Sierra's AGI and SCI games (such as King's Quest 1-6, Space Quest 1-5, ...), Discworld 1 and 2, Simon the Sorcerer 1 and 2, Beneath A Steel Sky, Lure of the Temptress, Broken Sword 1 and 2, Flight of the Amazon Queen, Gobliiins 1-3, The Legend of Kyrandia 1-3, many of Humongous Entertainment's children's SCUMM games (including Freddi Fish and Putt Putt games) and many more. The project mailing lists have been moved to http://lists.scummvm.org The project tracker has been moved to https://bugs.scummvm.org

Game Editor is the game design software that gives you the power to create the games of your dreams, and gives you the chance to get the source code of the game creator and develop 2D games for personal computers as well as mobile devices like iPhone

Free implementation of Heroes of the Might and Magic II engine. SDL is used.

BGLightCE is a free, open source backgammon game for Windows Mobile, based on Gnu Backgammon. It features the strongest backgammon opponent available for Pocket PC. If you're tired of beating other games & are looking for a challenge this is for you.

The (well) known puzzle CalcuDoku, K-Doku, kenken

BZK is a set of tools to help creating games for mobile devices. Graphics are simple but enough to create good games. This suit maybe not be suitable for very intensive games or near-photorealistic graphics. For everything else, welcome.

HabraSnake is a cross-platform snake game written in C++ and wxWidgets library.

Longford is a 2D, Lua-based game engine for Windows. It has the following features: + Sprite hierarchy. Sprites drawn in order according to a display "tree" allowing grouping of complex drawings. + Frame update, keypress and (multi)touch events which propagate through the display tree. + Creation of Sprites including polygon Shapes and rectangular Bitmaps with transparency (import as PNG, JPG, GIF, BMP, TGA) + Creation of Textfields based on bitmap fonts. + Translation, rotation and scaling of sprites. + Box2D physics engine. + Play sound effects using WAV files and stream music using OGG files. + Automatic tweening system + Texture atlases so that many Bitmaps can be "cut out" of a single larger picture file. + Supports user-written shaders for advanced graphic effects. + Automatic resolution scaling. + Supports OpenGL or DirectX backend

Open Game Engine 2D is a full features and cross-platform 2D game engine. It aims to help developers to create 2D games with only flat files (such as ini and script files), so that games could be written once and played under any platform supported. This engine is a pure 2D game engine written in C/C++. It is base on SDL and AngelScript. So, it also aims to run in any platform supported by SDL and AngelScript, such as Windows, Linux, MacOS, iPhone, Android, Windows Phone, Symbian, NDS, PSP... But, in current version, the engine only supports the following platforms: Windows, Linux, MacOS, Windows Mobile, Android, iPhone.