«Rook Advanced Source Engine» by «Incomprehensibility Studio» is a modified «Source Engine» «by Valve Software». It's a closed-source engine, based on Source Engine code with animation system & weather system improvements with new gameplay elements added.

Add game Games

No games were found matching the criteria specified. We suggest you try the game list with no filter applied, to browse all available. Add game and help us achieve our mission of showcasing the best content from all developers. Join now to share your own content, we welcome creators and consumers alike and look forward to your comments.