ChangYou announced its own sandbox MMORPG Project S out of the blue, which is currently entering a Technical Test phase. The slogan of the game is "Who will the world change for".

As a Western fantasy game built by ChangYou's self-developed engine and aimed at the international market, Project S has several features a true sandbox title would have. Although still in the development phase, here are some of the features currently listed:
- Each single area is 100,000 square meter big, 3 times the size of any current online games.
- Over 2,000 different plant designs in the game.
- Up to 24 areas each with its own unique design, 4 times more than most online games.
- Game view can go up till 1,800 meter from players' perspective.
- Game engine designed for both low and high end systems.
- Building houses, castles, forming towns and farming are all part of the game.
- Carriers such as flying warships can be built.

