Finally it seems I got Factorio to work in multiplayer.. the only problem now is that my friend has different mods then I do but thats no issue.. my problem was: my internet provider (cablecom) has given me a Modem that acts as Router - and there the port was closed on the router. I googled how to l...

Hahahahaha Dude man.. i have the same Issue with Factorio.. Port is open/both Firewalls are turned off... im a network technician for 15 years... and this shitty game still wont work multiplayer Any other games work fine (left 4 dead where you need to open ports too) We even tried Evolve... but on E...