GMod is a paid game, and while it isn't officially free, there are safe ways to get it without falling for scams.

: Avoid sites that ask you to "log in with Steam" to claim a free account or game. These are often fake login pages designed to capture your credentials.

Websites that provide long lists of Steam usernames and passwords for games like Gmod carry significant security risks:

Free accounts are often public. If 50 people log into the same account to play GMod, and one of them cheats on a secure server, the account receives a . You will then be playing GMod on an account that only allows you to join modded, unsecured servers—or nothing at all.