Leave the familiar world behind and step into the fantastic unknown with Portal Knights, a cooperative 3D sandbox action-RPG! Level up your character and craft powerful gear to defeat your enemies in real-time tactical combat. Explore dozens of randomly-generated islands and restore peace to a world torn apart by The Fracture. Craft your adventure. Level up your hero. Defeat the Portal Guardians. Become the ultimate Portal Knight! - RPG character classes to choose from and master: Play as a Warrior, Mage or Ranger and customize your appearance, abilities, and gear. Unlock powerful talents as you level up! - Tactical action combat: Strike your foes and dodge their attacks in fast-paced 3rd-person battles. Outwit each enemy's unique AI and choose from an assortment of weapons and spells to defeat them! - Join your friends in 4-person cooperative multiplayer or 2 player split screen: Work together on the same island to build structures, explore dungeons, and overcome the toughest perils. - Travel between randomly generated 3D sandbox worlds: Traverse unique environments, meet unique NPC characters, discover creatures and resources for crafting. Explore caves, lakes and dungeons. - Random Events: Adventure in ever changing landscapes. Complete new quests and earn exclusive items in random events across the worlds.