File Type 1 C# Source Code File IconC# Source Code File
File Format Standard (developed by Microsoft)
Usage Runs when opened
Rank ★ ★ ★  Common

Source code file used by Microsoft Visual C# (C Sharp) and C# .NET development software, which is included in Microsoft Visual Studio; often used for developing software components that are implemented distributed environments; can be opened by Microsoft development software or other C# programming applications.

Open With

IconMicrosoft Visual Studio

IconIC Code SharpDevelop

IconAdobe Dreamweaver


IconAdobe Dreamweaver


IconMicrosoft Visual Studio Code for Mac



IconMicrosoft Visual Studio Code for Linux


Updated June 23, 2009
File Type 2 Generic IconCLEO Custom Script
File Format Proprietary (Rockstar Games)
Usage Open manually
Rank ★ ☆ ☆  Uncommon

A CLEO CS file is a custom script created for Grand Theft Auto: San Andreas. It is used to add extra features to the game, such as additional characters, objects, and events. CS files are typically created with Sanny Builder and can be loaded by GTA as long as they are saved in the "game\CLEO" directory.

Info About Sanny Builder

Sanny Builder is a game mod tool for the Grand Theft Auto (GTA) games. It includes a decompiler for decompiling the "MAIN.SCM" file, which contains the main GTA scripts. By editing these scripts, users can modify the gameplay and add extra features to the game. Sanny Builder also includes the CLEO library, which contains opcodes that can be included in custom scripts.

Open With

IconSanny Builder

IconRockstar Games Grand Theft Auto: San Andreas

Updated November 28, 2009
Information from the PC File Extensions Reference