Game engine supporting many 3D/2D formats and graphic effects
Action-adventure game originally released in 2013
Free Texas Holdem Poker game using HTML5, CSS and JavaScript
Urho3D Game engine
A cross-platform, open-source, pure C game engine for mobile game
Engo is an open-source 2D game engine written in Go
KotCity, an open source city simulator
A Simple Lightweight and opensource tic tac toe game for android
For Android phones and tablets
MAME Android Emulator.
A cross-platform 2D game engine
Children's learning programming language Karel the Robot in 3D
A multiplatform Dart movie app with 40% of code sharing
Realtime 3D engine for game development
The Atomic Game Engine is a multi-platform 2D and 3D engine
online 4X browser game engine
3D .NET engine for Windows, Linux, Mac
Android, DOS, FirefoxOS, Linux, MacOS and Windows all in one..
plugin-based RPG manager in C++ and Qt5
Open Game Bootstrap
This is a hacking style game set in the early '80s
Source code of the game "Color Flood Filler" for Android OS
Science Fiction, heavy assault, disestablishment of power.