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My understanding is that the WWI dynamic of naval mines only works in the SC WWI game engine.

So I was considering porting over a modded SC WaW 1939 scenario to make it a playable scenario in SC WWI.

Problem is the scenario cannot be opened by the WWI editor nor does it appear as playable in the scenario selection screen.

The scenario itself works perfectly in SC WaW so it’s not the scenario. The issue is the porting over to work in SC WWI.

What scenario incompatibilities are there between the two SC game engines? And can they be resolved with certain adjustments?

Thanks for any help!

There are some incompatibilities, and also the way trenches work in WWI is hardcoded, i.e. you will not be able to stop units from entrenching when using this engine.

That said, it should be possible to port over some aspects of a campaign by using the Export/Import Data functionality in the Editors. But not everything will port over, and so I'm not sure whether what you're thinking of will be a success/worth too much effort.

But give it a try using those functions and see?

Thanks. Yes, it had occurred to me that maybe I could Import Data from the WaW 1939 modded scenario over to an already existing 1913 Great Game WWI mod. And at least this did work, insofar that the newly ported 1939 scenario could be opened by the WWI editor. And also that the 1939 scenario appears in the selection opening screen and actually start!

Not sure why the entire 1939 scenario needs to be manually ported over the 1913 scenario like this but it seems to be the only way to advance.

But I think you are correct: it may require too much effort to fully port it over. It may be a easier to more fully adapt a world 1914 scenario. Thanks again!

BillRunacre wrote: Thu Oct 30, 2025 8:44 am There are some incompatibilities, and also the way trenches work in WWI is hardcoded, i.e. you will not be able to stop units from entrenching when using this engine.

That said, it should be possible to port over some aspects of a campaign by using the Export/Import Data functionality in the Editors. But not everything will port over, and so I'm not sure whether what you're thinking of will be a success/worth too much effort.

But give it a try using those functions and see?

is there no chance you guys implemented naval mines to waw?