you should try UBOAT:
there are Type II and Type VII now. I hope they will add Type IX in future DLC. I understand that devs wanted to focus on releasing full game first.
https://store.steampowered.com/app/494840/UBOAT/
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Kapitänleutnant Vlad von Carstein - U-Flotilla Saltzwedel - U-123, Type IXB
SH3 GWX 3.0
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