This feature is recognized as one of the most important achievements in GTA SA modding. All you need is to get a script, place it in the CLEO folder and run the game (new or saved). The main feature of CLEO is that it allows running custom scripts (commonly a single file with the extension. New opcodes were added in the fourth version to work with audio streams, to format strings, to display custom texts on screen without using external text files (. CLEO adds a lot of useful opcodes making possible file management, game memory handling, calling exe functions, playing audio files and much more.
