Innsmouth Horror introduces several new game concepts to the Arkham Horror board game, including personal stories unique to each investigator as well as the Innsmouth Look. Innsmouth Horror also adds 16 new investigators, eight new Ancient Ones, two new Heralds, Epic Battle cards for the new Ancient Ones, over 30 new monster markers, plenty of new encounters, and an expansion board featuring the town of Innsmouth. Overall, this expansion adds over 300 new cards to the base game. Innsmouth Horror requires a copy of Arkham Horror to play. GAME CONTENTS: 1 Rulebook, 1 Game Board, 16 Investigators 8 Ancient Ones, 2 Heralds, 272 Cards ,49 Tokens. Playing time is two to four hours for this one- to eight-player game.