Arkham Horror: 3rd Edition - Core Set
Arkham Horror Third Edition is a cooperative board game for one to six players who take on the roles of investigators trying to rid the world of eldritch beings known as Ancient Ones. Based on the works of H.P. Lovecraft, players will have to gather clues, defeat terrifying monsters, and find tools and allies if they are to stand any chance of defeating the creatures that dwell just beyond the veil of our reality.
This is the base set with 4 scenarios, each one taking 2 to 3 hours to play, for 1 to 6 player 14 and older.
Extra scenarios are also available - just search for Arkham Horror.