While the full game isn't available, the PSP homebrew community has created sandbox experiences that capture that GMod energy:
That glitchy, imperfect experience is the spirit of Garry's Mod. The PSP may not have the power, but it has the heart. gmod psp
Today, the term has evolved into a niche aesthetic or a "lost media" horror trope. Fans create videos or mods for the PC version of Garry's Mod that make the game look like a low-resolution PSP title. 📍 While the full game isn't available, the PSP