From the official website: "CLEO library (or simply CLEO) - a hugely popular extensible plugin for the Grand Theft Auto games series by Rockstar Games, allowing the use of thousands of unique mods which change or expand the gameplay. There are different versions of CLEO made for GTA III, GTA Vice City and GTA San Andreas." This is for GTA III
Permissions and credits
Credits and distribution permission
Other user's assetsAll the assets in this file belong to the author, or are from free-to-use modder's resources
Upload permissionYou are not allowed to upload this file to other sites under any circumstances
Modification permissionYou are not allowed to modify my files, including creating bug fixes or improving on features under any circumstances
Conversion permissionYou are not allowed to convert this file to work on other games under any circumstances
Asset use permissionYou are not allowed to use assets from this file under any circumstances
Asset use permission in mods/files that are being soldYou are not allowed to use assets from this file in any mods/files that are being sold, for money, on Steam Workshop or other platforms
Asset use permission in mods/files that earn donation pointsYou are not allowed to earn Donation Points for your mods if they use my assets
Author notes
This author has not provided any additional notes regarding file permissions
File credits
Seemann
Donation Points system
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Just a simple way to access CLEO.
Install instructions
Unpack with your archive (un)packer of choice
Put files into: Drive name/sub folder(s) name(s)/Grand Theft Auto 3. Make sure the .asi file is here, that's the only essential for the "Please insert Grand Theft Auto III - disc 2 or press esc to cancel problem
(Optional) Insert the .cleo files in the Cleo folder, which itself should be in the same directory or folder as the .asi file.