Junk is gmod good?

[color=rgba(0, 0, 0, 0.87)]Garry's Mod
Video game[/color]
Description
Garry's Mod is a sandbox physics game developed by Facepunch Studios and published by Valve Corporation. Garry's Mod was originally a mod created by Garry Newman for Valve's Half-Life 2 but was later made into a standalone release on 29 November 2006 for Microsoft Windows.

yeah, it can be very funny if you play with some friends

I think good is good but there are some bad servers that just start-up to make money and don't like to have fun

Yes, Garry's mod is good, playing with friend very funny, a lot's of gamemods and addons.