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.Begin your journey as a Warrior, Mage, or Ranger. Defeat formidable monsters and epic bosses while gathering resources to craft powerful weapons, armor and spells to help you on your adventure.Travel between worlds by collecting portal shards and rebuilding the ancient gateways. Meet 100+ memorable NPCs, recruit a pet, and experience dynamic events that happen in real-time! Build your perfect home and choose from dozens of materials and furnishings to make it your own!Craft your adventure. Forge your hero. Defeat the Portal Guardians. Become the ultimate Portal Knight!Travel between randomly generated 3D sandbox worlds - each one with unique environments, creatures, NPCs and resources for crafting. Explore caves, lakes, and dungeons filled with surprises.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!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!Mine and gather resources from across the lands to craft your arsenal and supplies. Upgrade your crafting stations and expand your recipe list to 100+ items, including crafting trees for each class.Build your home with dozens of materials and furnishings. Show off the hard-earned treasure from your journeys. Harvest resources and build grand structures, craft unique furniture, adopt a pet companion and more!Epic boss battles. Face off against the Portal Guardians, the most formidable beasts in the realm, in their twisted arenas.Join your friends in 4-person cooperative multiplayer. Work together to build structures, explore dungeons, and overcome the toughest perils.