Not Assembly, but HROT was written in Pascal by one person and runs buttery smooth.
This game ran so smooth.
I've written several games in assembly and I've never regretted any of them.
Reminder that ttd was open source even before open ttd :D
I've already got a park map.
Don’t Want to be that Guy but you can actually use libraries in Assembly and probably want to, as otherwise you have no good way of interacting with the os.
You can actually pluralize library and probably want to.
In fact Chris Sawyer did use C for the purposes of linking the OS libraries necessary for windowing, rendering, sound etc.
Vintage gaming community.
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