Botcraft is a cross-platform C++ library to create bots
An OpenGL RTS game engine written in C
A free/open source client and automation tool for Ragnarok Online
Google maps for block game
Open source simulation game based on Transport Tycoon Deluxe
PyCAPGE - Python Classic Adventure Point and Click Game Engine
2D top-down 1v1 MOBA with autonomous units
Spring is a free RTS engine developed for Windows, Linux and Mac OS X.
KotCity, an open source city simulator
An HTML5 game 'Catch The Cat' powered by Phaser 3
A comprehensive path-finding library for grid based games
C++ OpenSource Game Fabric based on SDL2
Enigma is a completed top down zombie survival game written in Java.
Fast and easy-to-use pathfinding library for grid-based games
A game engine in java for 2D strategy games
Cross-platform 2D game engine