Steam's Remote Play Together has been fixed:

• Join up to 4 players with either 4 controllers or 3 controllers + keyboard and play together with only one copy of the game.
  
• Play together from anywhere in the world as if you're sitting next to each other.
  

Announcing the new character

New Year's Dragon:

• Use Dragon's fireworks to move around.
  
• His ability launches a remote controlled firework that works as a longer hook
  
• Trace out a path and then pull your enemies from across the map
  
• Get around walls quickly with his lightning fast hook
  
• Be careful though, that much speed is hard to control!