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OpenUniverse is a fun, fast and free space simulator. It currently focusses on the Solar System and lets you visit all of its planets, major moons and a vast collection of smaller bodies in realtime 3D (using OpenGL).
An artificial life (a field in artificial intelligence) implementation using GNOME as its front end. It uses some principals of Cellular Automata. It's like "Conway's Game of Life' but with a totally different ruleset. It's a fun simulation - check it out
Arkon simulates a universe of interacting entities. It is an experiment with learning experience as its grand goal. The development path is strictly dynamic, starting as a starship simulation with eyes on the possibility of battles among AI-piloted ships
Put idle assets to work with competitive interest rates, borrow without selling, and trade with precision. All in one platform.
Geographic restrictions, eligibility, and terms apply.
2D Space game, entirely Java Applet based, with simple AWT display. The display and basic flight works - the task at hand is to turn it into a multi-player game.
SimStar GPL is an exciting open source space combat game. Networkable, portable, and open source, it's the shoot'em up for the next century! Uses OpenGL (Mesa) for high speed graphics and has over 1 megabyte of code available! NOT your dad's open source!
Original Creator -> http://www.donhopkins.com
Original SimCity projects by Don Hopkins: http://www.art.net/~hopkins/Don/simcity/index.html
from: http://www.donhopkins.com/drupal/node/130
GPL Open Source Code of OLPC SimCity to be called Micropolis
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This project encompasses a futuristic racing game much like Wipeout or Xtreme-G Racing. It is a modification of the Half-Life 2 Source engine using the freely distributed source code provided by Valve via Steam.