Hamachi download and setup
Re play with Mods yes but all players have to have same mod setup.
When your all setup and your friends too you will have to experiment with deferent mods its a bit of a trade off
what you must have and what you can have you have to strike a balance.
we play with just the blank campaign files the only mod i use is the Dasboot Uboat crew Icons
Land Leyer LND-997 kbs Random Leyer RND-1kbs
Scripted Leyer SCR Leyer 1kbs
blank campaign file download link
https://www.subsim.com/radioroom/dow...o=file&id=1082
Also SH3 Multiplayer Missions only the host needs the Mission File not the other players