The second player will need a controller to join the split-screen session. 3. Dedicated Server For a persistent world that stays online when you are away:
You can play co-op with someone who doesn't even own the game using : Start a solo game.
You will miss out on critical bug fixes and new content like the upcoming Build 42 .
Once in-game, press to open the Steam Overlay and invite friends. 2. Steam Remote Play (Split-screen)
If you own the game, you can set up a co-op session with friends using several methods: 1. In-Game Hosting (Easiest)
These downloads frequently contain malware or bundled adware.