This is the standard for Unity modding. You write a "plugin" in C# that "hooks" into the game’s code while it’s running. Example: Creating a "Fast Travel" menu or changing gravity. Asset Replacement: Swapping existing files for new ones.
Depending on what "feature" you want to add, you have two main paths: Lil Gator Game (NSP)(Update 1.0.1).rar
You can use UABE (Unity Assets Bundle Extractor) or AssetStudio to view and replace textures, sounds, and 3D models. 3. Feature Development Methods This is the standard for Unity modding