Admittedly, that headline's a little misleading. With a Steam Workshop full of new maps to tear apart and new tools to break them with, Teardown's voxel sandbox is already the next Garry's Mod ...

Garry's Mod has entered the Guiness World Records: Gamer's Edition 2025 as the best-selling PC exclusive of all-time.

In our world, though, Garry's Mod won out, and JBMod is only just making its way to Steam now, 18 years later. "JBMod was the first mod ever released for Half-Life 2," developer Team JBMod explains.