Garry’s Mod has sold over 25 million copies since going on sale 18 years ago, Facepunch Studios has announced. The physics sandbox is now over 25.4 million sold, to be exact, since going on sale ...

Garry's Mod allows players to pull any asset like characters, items, and locations into a sandbox and create whatever scenario or sequence they can from the tools available.

When Valve first floated the idea of selling Garry's Mod on Steam I said no because.. "who would pay for that?". Well 18 years later, it turns out that 25,560,290 people would.