5th Viking contains the 55 cards needed to add a fifth player to Vikings Gone Wild.
10 extra starting cards (6 Beers, 2 Golds, and 2 Warriors)
14 extra Buildings (Gold Factory, Brewery, Gold Container, Beer Container, Drakkar, and Tavern)
7 extra Units (Elf Archers, Bone Crusher, and Pigator)
6 extra Defenses (Cannon, Chicken Tower, and Sheep Cannon)
3 extra Town Hall levels
10 extra Odin's Path cards
5 extra Missions
1 extra Player Board