Eclipse is a free to use 2D game engine. This game creator makes online mmorpgs. No previous knowledge is necessary becouse Eclipse uses a simple point and click system. If the software does not have the requirements you need you can program it with the source.
Eclipse is a easy to use software. But to create a truly fabulous games with this mmorpg maker time and effort will have to be put forward into your masterpiece. Story lines, sprites, graphic interfaces these are all key essences in making the difference between a simple game and a truly unique mmorpg that will go places or generate revenue. The eclipse game engine has the capability to create professional games but it takes the user to truly harness that power.