Tray-mode_2, more guns, more maps, more action! Installation on Steam: Unpack the archive tray-mod2.rar in steam / steamapps / sourcemods Restart Steam, found Tray-Mod in the games list Installation on the pirates (Requires HL2 Episode 2): Tray-mod.zip Unpack the archive to the root directory of the game Find the root directory of the game tray-mod2.bat, start by clicking on it. For reference maps and models of weapons made not by me but a third-party modders for css, I just combined their work and set up enemies, and edited source code.