World Creator (formerly called GeoControl) is a professional and powerful procedural terrain and landscape generating software developed by BiteTheBytes from Germany. It is mainly used to create vivid and lifelike virtual 3D environment for games, movies and artworks. With the creative tools, efficiency improvement, real-time editor, random terrain generation and so on features, World Creator makes the creation of terrains and landscapes become easier, faster and more fun.

Google SketchUp is an extremely popular and user-friendly 3D modeling tool, which is production process of design scheme oriented, and mainly used in the architectural design and relevant fields. Its creation process not only can directly express the designer's idea, also fully meet the needs of communicating with customers in time. Applying it to game design is a relatively new field with a certain amount of challenges.