How many people can crew one submarine?

Barotrauma supports up to sixteen players in a multiplayer crew.

Can I host a persistent server?

Yes. Dedicated servers are supported.

Is controller support native?

The PC version does not advertise native gamepad support; keyboard and mouse are the expected controls.

Can I use workshop content?

Yes, but players must install content required by the server.

Does Barotrauma have multiplayer?

Yes. Barotrauma supports up to 16 players. You can have PlayBound start a dedicated server for your group and host a game on your own PC. It also supports co-op play.

Barotrauma controls

No controller support

This game has no native or PlayBound-enhanced controller support yet.

Default bindings for every input method Barotrauma supports. These are the game's own defaults — anything you have remapped will differ.

Mouse & keyboard

Default keyboard and mouse bindings.

Every key is rebindable in the game's options.

Movement — Mouse & keyboard
Action	Default input
Move	`W, A, S, D`
Sprint	`Left Shift`

Combat — Mouse & keyboard
Action	Default input
Use item / attack	`Left Mouse`
Aim / grab	`Right Mouse`

Interaction — Mouse & keyboard
Action	Default input
Interact	`E`

Interface — Mouse & keyboard
Action	Default input
Health interface	`H`
Crew list / command	`C`

Multiplayer — Mouse & keyboard
Action	Default input
Chat	`Tab`
Radio chat	`R`

Source: Barotrauma Wiki