@echo off start "" "C:\Program Files (x86)\Steam\steamapps\common\Borderlands 2\Binaries\Win32\Borderlands2.exe" -NoStartupMovies -USEALLAVAILABLECORES Could be a simple C++ program that launches the real game or adds a feature overlay:

# Example: Using PythonSDK for Borderlands 2 1. Download PythonSDK from GitHub (for BL2) 2. Extract to "Borderlands 2\Binaries\Win32" 3. Create mod .py files in "mods/" folder 4. Run game normally — SDK loads automatically Example launcher.bat :