The tutorial asset pack is free and contains all the assets used in the tutorials. Any assets you need to complete a tutorial will be listed on the page.
Download tutorial assetsControlling the engine using the Console tool's command line cVars (Console Variables), including many features that are only accessible through the Console, including detailed debugging, rendering, and precise control all aspects of the engine, many of which are not accessible through the user interface, including detailed debugging tools, fine tuning performance and rendering, and much more - even in pure game mode.