CS:GO maps
Seventeen Counter-Strike maps on the Steam Workshop - aim arenas, 1v1 layouts and surf tracks. Around 720,000 subscribers in total.
Archived
Aim arenas, 1v1 maps and surf tracks, built in Hammer and published between 2017 and 2025. They are archived now: Counter-Strike 2 marks the CS:GO versions incompatible, so nothing new is coming to them.
The reach outlived the game. Roughly 720,000 subscribers across seventeen items, with the largest single map at about 279,000. It is the oldest work on this list and by far the least technical, but it is where the pattern started - build the thing, publish it where people can actually use it, and let strangers tell you whether it holds up.