Delta Engine – 2D and 3D Application Engine written in C++
Delta3D is an open-source multi-platform game development engine. Written in C++, the engine is available to users under the license of LGPL (Lesser General Public License). Community-supported, Delta3D is widely prevalent among developers around the globe. The engine is used for multipurpose including training, education, visualization, and of course entertainment.
Dark Engine
The dark engine is an old game development engine created by Looking Glass Studios primarily used in 1998 until 2000 for the making of classic thief games. Written in C++, the dark engine utilizes tools like DroomEd for the production of games. License to the engine is proprietary, i.e., closed source product. The supported platform for the engine is only Microsoft Windows.
Creation Game Engine
The Creation is a 3D game development engine developed by Bethesda game studio with Gamebryo game engine as a base for this engine. The game engine is integrated with a set of tools and plugins including run-time libraries which allows the production of cross-platform game titles.
Construct Video Game Engine
Construct is an HTML-5 based 2D gaming engine developed by Scirra Ltd. Written in C++ and JavaScript language-focused fundamentally for non-programmers. It allows visual programming making it easier for artists to give life to their imagination into the game. Construct is not a template engine; it has a complete set of tools to create something unique and genuinely your creation.
Cafu Game Engine
The Cafu Engine is a multipurpose and cross platform 3D graphics software and game development software, developed by Carsten Fuchs. The engine is specialized in the creation of 3D applications, games, simulations, training and architectural software. Written in C++ and Lua language, the Cafu Game Engine intends to make the advancement of new games and other 3D applications simple. The engine is effectively and consistently developed to give the most recent innovation.