National Geographic Challenge - Xbox 360 Five modes of game play; Single Player, Multiplayer Quiz, Puzzle Challenge, Classic Puzzles, Explorer mode Up to four players can compete against each other 4,000 in-game questions 1,000 DLC questions (X360 and PS3) Various types of questions: anagrams, standard questions, fast focus Up to four players can compete against each other in the Four Player mode 4,000 in-game questions 1,000 DLC (Downloaded Content) questions Various types of questions: anagrams, standard questions, fast focus National Geographic original contents