This group if you're a GEEK
Into retro-computing - Talk about retro gaming PCs, Consoles, Raspberry PI, MINI-PCs (If you're selling a hardware - might suggest post your wares, but chat in private, not in the comments)
Into Coding retro and modern - From Fortran,BASIC,Pascal, Portable E to JAVA Script, C# and Python. Probably your own game or the next big app?
Into Games programming/IDE - Talk about game engines from Unity, Godot, Unreal to Artificial Intelligence(ChatGPT)