Dead Island: Riptide might not feel like a full sequel, but it's not quite DLC level either. The game sits inbetween in terms of quality and content, and that's not necessarily a bad thing. So what can you expect in terms of the game's co-op capabilities? Thankfully it's largely the same as the original game with a few minor enhancements like the ability to import your character.
How many players can play Dead Island: Riptide locally (couch co-op)?
Dead Island: Riptide doesn't support local co-op play.
How many players can play Dead Island: Riptide via system link or LAN?
Up to four players.
How do I enable LAN play?
Under the options menu choose online and then change game visibility to say "System Link" or "LAN"
How many players can play Dead Island: Riptide online?
Up to four players.
How many players are supported in combo co-op?
Local play isn't supported, therefore combo co-op isn't possible.
How do you begin a co-op session in Dead Island: Riptide?
Co-Op play can happen a number of ways in Dead Island: Riptide. Players can choose to leave their world open and friends or other players can join. The game will also notify you if a player of similar progression is nearby and you can press a button to join. Or you can invite a friend to play via the in game menus, Xbox Live or PSN.
How does save game progress work for co-op play in Dead Island: Riptide?
All quest progress is saved to the player's respective character. Loot, money, experience is shared and instanced.
Can I join a game if the host is further along than me in Dead Island: Riptide?
Yes. Dead Island: Riptide automatically scales each player's instance to their own level as well.
What happens when I import my character into a new game of Dead Island: Riptide?
You can import your character as long as you have a previous save. Doing so keeps that character's current level and skill unlocks. Characters start at level 15, so you'll have a few things to unlock right from the get go if your character wasn't that level yet. You do not carry over any inventory.