A free, open-source tool for fine-tuning graphics and boosting performance in games built on Valve's Source engine. Supports classics like Half-Life 2, Portal, Team Fortress 2, and Counter-Strike: Source, as well as countless mods and projects like Garry's Mod and Black Mesa. Unlocks custom resolutions, including 2K and 4K, by accessing parameters hidden from the in-game settings menu. A dedicated troubleshooting tab helps clear Steam cache, verify file integrity, and resolve common issues with older titles. All you need is for the game to have been launched at least once. A simple interface makes enhancing compatible projects a matter of a few clicks.






