2-4 Players online. Co-op experience is subpar compared to singleplayer. There are 8 co-op missions that are about half an hour of walking and shooting each. The campaign is not accessible in co-op.

1-8+ Players online. Steam integration. Join in progress. Singleplayer worlds and characters can be used in multiplayer and vice versa. Enemies scale with player count.

1-128 Players online. Steam integration. Join in Progress. Co-op scenarios and campaigns available both in the base game and workshop.

1-4 Players online. Steam integration. AI fills in if necessary to make a team of 4 (unless disabled). Singleplayer is just multiplayer with 3 AI.

1-4 Players online. Steam integration. AI fills in if necessary to make a team of 4 (unless disabled). Singleplayer is just multiplayer with 3 AI.

1-2 Players online. Same content in single- and multiplayer.

1-8 Players online.Steam integration.Singleplayer campaign missions can be played in co-op,AI for multiplayer modes is a DLC.Requested units go to player with least units, and must be shared manually!

1-4 Players online. Join in progress. Players load into new areas / fast travel simultaneously as a group. Same content in single- and multiplayer.

1-60+ Players online (exact limit depends on machine). Steam integration. Join in progress. Same content in single- and multiplayer. Saves can be loaded in SP and MP interchangeably.

1-4 Players online. Steam integration. Join in progress. AI will seamlessly fill team to 4 heisters. Teammate AI has very high health and cannot ruin stealth. Same content in single- and multiplayer.