Open Source Java Real Time Strategy Games

Arianne is a multiplayer online engine to develop turn based and real time games, providing a simple way of creating the game server rules and clients like our MORPG Stendhal. Our engine Marauroa uses Java and SQL for hosting hundreds of players on a solo host. Stendhal is a fun friendly and free multiplayer online adventure game with a huge and rich world. With hundreds of NPCs and different quests, features like the Travel log and achievement system keep track of progress. Thousands of creatures are ready to fight, above and below ground, and as players level up they can compare themselves on a detailed stats website. The engine Marauroa provides a simple way of creating games on a portable and robust server architecture. Marauroa manages the client server communication and provides an object orientated view of the world for game developers. It handles database access in a transparent way to store player accounts, character progress and the state of the world

Java library and application to edit game files from all Clausewitz-engine games (EU3 and later, including EU4, Victoria 2, Hearts of Iron 3, EU: Rome, March of the Eagles, and Crusader Kings 2 and 3) and their saved games. Source code is now hosted at https://github.com/mmyers/eug. Sponsor on Patreon: https://www.patreon.com/user?u=60455822

Crystal Space is an Open Source 3D SDK for Unix, Windows, and MacOS/X. It renders with OpenGL and features GLSL shaders, CG shaders, deferred rendering, dynamic shadows, bullet based physics library, terrain engine, skeleton based animation meshes, exporter for Blender, portals, etc...

Tools for parsing and analyzing the JASS scripting language, which used for scripting Maps and AI files in Blizzard Entertainment's (R) Warcraft III (R).

L2Net is .net Alternative Lineage 2 Server and Client.

Option Overkill - The Open Source Scalable Real Time Strategy Simulation Featuring 3D graphics, terrain and animation, a solid scalability concept and in-depth multiplayer and internet gaming support. DISCONTINUED as of 10/2005.

The aim of the FreeRails project is to create a fun game based off the RailRoad Tycoon and RailRoad Tycoon II games.

This project uses Ardor3D to create a space based real time strategy game. You fight for the control of planets which build new attack ships for you. It is inspired by games like Eufloria, Galcon and Sins of a Solar Empire.

Java based client / server online games engine & API for easy creation/running of real-time multiplayer games. Games include Battleships, Camelot, Checkers, Chess, Connect 4, Dots, Go, Octagons, Texas Hold'em Poker, Reversi, Spades, Tetris & Tic-tac-toe

The ISOCalc (Isometric Calculator Engine) is a class library for isometric plot games. The ISOCalc can be used as a calculator background for every game with different graphic front. (Special Thanks for OpenTTD Team)

Rail World is a railroad train simulation game designed to bring the features of model railroading to the desktop using actual aerial or satellite photographs as the backdrop for maps. Control multiple trains, switches, load/unload cargo, and more.

Real-time strategy game implemented in Java similar to the commercial game "Pirates! GOLD"

JCraft is a platform independent, isometric, tilebased, real-time strategy (RTS) game engine in Java. Supports: Multi-, Singleplayer-Mode, fullscreen, Configurable engine interface that allows to create games with a large variety of engine features.

This project has been superceeded by Laser Tactics - see http://sourceforge.net/projects/nucleargrave.

Laser Tactics is a 3D single or multi-player FPS strategy game. It's a cross between like Quake and Tremulous, except it's pseudo-turn based, you control a squad, and there are specific mission objectives. There is also an advanced AI to play against!

MilCity is a Real Time Strategy based game. Build your own city, earn money and produce energy ... and construct weapons ! And, like in a Battleship game, you can use these weapons against your opponents. Available on all J2ME capable mobile phones !

Netrek is a multiplayer battle simulation game with a Star Trek theme. Up to 16 players are divided into two teams that fight each other for dominion over the galaxy.

The Rise Of Prometherion is a new generation of Real-Time-Strategy games. It is the 3D-Addon to Realms of the Emperor (www.rofte-de).

A 2D space real-time, action/strategy game. you are in control of a ship that you fly around space fighting enemies and making friends on your way. The main objective is to rescue people from planets and take them to star bases. its writen in java1.4.

for two players, X and O, who take turns marking the spaces in a 3×3 grid. The player who succeeds in placing three respective marks in a horizontal, vertical, or diagonal row wins the game.

Collection of Tradewars 2002 tools, including Kokua - Tradewars Assistant and TW Collaboration Server (TWCS). Only Kokua is currently active.

Multi-User Character Kingdom (MUCK) engine and client providing a first person view point 3D-world which can be created by users, and which uses a system to provide quick gameplay by slowly downloading Objects/Textures over time once in the world.

Java Clone of Age of Empires

A highly advanced Air Traffic Control Simulation written in Java, running standalone or in distributed multi-player mode using JORAM JMS, Sonic MQ, or Tibco.

RTS game engine contributions to Stratagus. RPG mode, first-person mode, underground areas and more are planned. A distribution of Stratagus with the contributions compiled in will also be released here.