This might or might not work - Nuclear Throne doesn't support modding and Nuclear Throne Together doesn't support Linux and Mac so you're in the double-unsupported territory here. I've just posted this on Steam forums, I'm going to expand this a little bit for this Reddit post and reference people to this post in the future.

Vlambeer Twitter (Head here for updates and news!) Nuclear Throne Together a moddable, multiplayer version of Nuclear Throne ThroneButt, a developer-endorsed website that hosts daily, weekly, and all-time leaderboards (handled by /u/i542) Official Nuclear Throne Website ( Look here for how to buy!) We have a list of frequently asked questions on our wiki page here. If you have NSFW content to post, then the Nuclear Throne Rule 34 subreddit will most likely accept it. We do NOT allow NSFW content on this subreddit. Hate-speech and other forms of overt assholery will be not be tolerated. Our LP policy can be read in greater detail here. Self-promoted 'Let's Play' content will be removed with few exceptions. When it comes to advertising anything on the subreddit, message the moderators first. Please make use of the English language when posting on this subreddit. If you have a problem, feel free to message the moderators! No NSFW/NSFL content, including text content. Welcome to the subreddit for Nuclear Throne, the gun-juggling, limb-growing, mutant-shooting action video game from Vlambeer. Join the official Nuclear Throne Discord server! HOWDY, THRONE SEEKERS!

Nuclear Throne instal the new for apple