I have a spread sheet for an australian tech tree you think its any good?

aus aviation tech tree.zip (347.4 KB)
i hope this works

Nobody will download your Zip.

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Precisely this… If you’re doing spreadsheets for upload to anyone you use google sheets and put it embedded in here, or a screenshot of it.

The Link is 100% safe, and to be honest your idea is pretty good (I mean being an Australian myself I may be biased), and I think it would work well in game