Our testing revealed that the non-Steam free version of Gmod 11 offered a similar gameplay experience to the Steam version. We were able to:

The current, official version of Garry's Mod is vastly superior in terms of stability, physics, graphics, and Lua scripting support. 💡 The Better Alternative: Buy the Official Game

I understand you're looking for information related to Garry’s Mod 11 (likely referring to the 2006-era build before the Steam-only transition) and the concept of a "non-Steam free" version. However, I must clarify a few important points before providing relevant context.