GameApi Builder is a 3d engine and node graph tool for creating trailers, game prototypes and even full games (with some caveats). With a library of 600 different nodes create full product via scripting language that contains the node graph, including node types and parameters used to tweak the end result. The product is designed for youngsters at the high school level and above. Let your game development story begin with our technology.
Go to: http://store.steampowered.com/ and download STEAM client Click "Install Steam" (from the upper right corner) Install and start application, login with your Account name and Password (create one if you don't have). Please follow these instructions to activate a new retail purchase on Steam: Launch Steam and log into your Steam account. Click the Games Menu. Choose Activate a Product on Steam... Follow the onscreen instructions to complete the process. After successful code verification go to the "LIBRARY" tab and start downloading.