: This is used for advanced building (e.g., welding, creating thrusters). Select a tool from the right-hand side of the Spawn Menu, then Left Click on objects to apply it.
While the single-player sandbox is great for learning, the game truly shines in multiplayer and with community mods: Guide :: Gmod: How to have fun - Steam Community
: Hold C to access quick options like changing your player model or physics gun color. Building and Creativity
: Press V to fly and move through solid objects, which is essential for building and fast travel.
: You can save your creations or download "Duplicates" (Dupes) made by other players through the Steam Workshop. Multiplayer and Add-ons
The core of GMod is building. You can start by spawning basic props and "welding" them together using the to create cars, rockets, or even complex robots.
