Starbound does not support controllers, so you will need multiple keyboards and mice.
Starbound Server Setup Guide Starbound dedicated server setups can work on both Windows or Linux systems. It is heavily configurable and depending on what you want can take a bit of effort and google foo to get everything running correctly. A: I consider the mod feature complete at the moment. If there's specific requests I feel are a good addition to the mod, I'll think about it. I'll try and update the mod for later Starbound versions as quickly as possible, of course. Q: My game is crashing when I try to open the Ultimate Box! A: There's two things you might've done wrong. Login to your server FTP. On the remote site, navigate inside the starbound directory. Right click on the remote site and create a directory named mods. Enter the mods directory. This issue is caused when you don't have the mods for a modded server. For a solution, ask the moderators or server owner for the collection of mods and install them. Problem and Solution #2 Now for the second possible cause, I don't know the solution. But this issue is caused (I assume) with incompatible custom scripts. Installing mods on your Starbound server is fairly easy. You just have to extract the mod of your liking to the 'mods' folder of your game (it can be found inside the SteamApps/common/Starbound folder). After starting the game, if everything ran fine, you can upload the mod files you extracted before to the 'mods' folder of your server.
Open the Starbound directory by right-clicking Starbound in Steam -> Properties -> Local files -> Browse game files…
Go to Starboundwin64 (or Starboundwin32 if you have a 32bit computer). Launch starbound.exe as many times you need. Resize the windows however you like.
Start a world on one instance. Make sure IP joinable is enabled in the pause menu options. On the others, go to Join game -> Choose a (different) character -> Set 127.0.0.1
as the server address and leave the port, account and password boxes empty.
If you have inconsistent mouse movement, especially when moving multiple mice, make sure the polling rates on your mice are set as low as possible. You can usually set this in your mouse configuration program (look on the manufacturer’s website).
Disable steam overlay by right-clicking Starbound in Steam -> Properties and un-check ‘Enable the Steam Overlay while in-game’
Install and run Universal Split Screen: see the quick start guide
In options, load the Starbound preset.
Go back to the Current window tab. Alt+tab into the first instance. Set the mouse and keyboard. Repeat for the other instances.
Click Start split screen. You should now be able to play. Press End to stop.
For reference, here are the default options.