Runs must be done on the last official patch of the game (version 3.4) + the single player mod (version 1.1b). Do not use cheats, scripts, the console or anything who modify the code of the game to give an unfair advantage all these things are banned. The speed of the game has to be the default one, any voluntary alteration or caused by your computer specs will not be tolerated. Do not hide your health hud with a logo or overlay. You need to show the ending screen of the mission who indicate your time, ingame timer is used for level leaderboard.