GGmax is only limited by memory and draw calls. You could technically create an entire city if you wanted to. But it will required extraordinary amount of effort, on your part, not impossible just an insane amount of work in general, have a spare year, LOD, texture reuse, grouping models into a single model to reduce draw calls ect.
Win10 Pro 64bit----Intel i7 4770k @ 3.5GHZ----GTX 1660 6gig----16gig ram
