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ive made the shortcut but its doing that still the datas off and I copied the ip4 off of cmd its still not working

oh and ive tried on multiple devices

I would try again, starting from scratch, just in case something went irreversibly wrong the first time. Delete all the files you downloaded for Catastrophe, download the game again, and create a new shortcut, pasting " --hft-installation-mode" (without the quotation marks) to the very end of it's Target field. Then try connecting to the IP with your devices.

I just ran through the process myself, and I noticed that Windows will ask for permission to allow the game to operate on private and public networks. Make sure you check yes for both.

Let me know if this works. Thanks for bearing with me so long, I hope it'll be worth it.