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What do you find not great in the UI of OpenTTD? It's not perfect, but it's relatively great, compared to virtually every major build sim that came out in the next two decades. It's functional and fast. 00s UIs were plain horrible, and I don't think it got that much better.

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Does OpenTTD not have A* track laying yet? It's such a bore doing it by hand all the time.

It doesn't. There's a single tool for laying tracks that you can click or pull, but only in a straight line. I'm not sure how could it figure out what you want between two arbitrary points. There's always other tracks, terrain, something in the way.

Yes, that is the reason they mentioned the A* pathfinding algorithm - to solve that exact problem.

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