To play audio, BASS.dll version 2.4.15 is included with CLEO. Along with the CLEO library comes Silent's ASI Loader, which automatically allows you to load files with the. The library only works with GTA SA 1.0 US. In addition, CLEO adds 100 new opcodes to make scripting mods easier to create. cs files (custom script) used when creating script mods for GTA San Andreas. The CLEO library was originally developed by Seemann in 2007 but has not been developed recently.ĬLEO Library is a plugin that loads and executes. CLEO Library 4.4.0 for GTA San Andreas is a new branch in the development of CLEO 4 from Junior_Djjr.