Cross-Platform C++ 2D/3D game engine
Classic 2D side-scrolling platformer game
Cross-platform 2D and 3D game engine with modular architecture
Cocos simplifies game creation and distribution with Cocos Creator
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
Free game engine for development of desktop, mobile, and web games
Multi-platform 2D and 3D game engine
Desktop/Android/HTML5/iOS Java game development framework
LÖVE is an awesome 2D game framework for Lua
Pixel-art map visualizer for Minecraft
This software is a particle effect editing tool
Enigma is a puzzle game
Orx: Portable Game Engine
2D Platform remake based on the game from the 1980s
A 2D multiplayer space shooter game
VR Mosaic - C++ Builder Applet v.2.5
A free Chess program for Windows with a large set of features
TX Library is a tiny graphics library for Win32 written in C++.
Delphi : VRCalc++ OOSL & + (Paged List, TextEditor, VRAstroVision ...)
2D Open Source MMORPG
A free 3D game engine to create games and realtimes scenes for Windows
2D game development library for Ruby and C++