Players choose one of six monsters which comes with a scoring board. The winner is the first player to reach 20 points, or the only player to have any health. Players throw 6 dice, and may reroll some of them as in the dice gameYahtzee. Die faces are power, health, attack, 1, 2, and 3. With power dice, players collect power tokens to buy power cards with. With health dice, players outside Tokyo heal damage done to them. With attack dice, players outside Tokyo attack players in Tokyo, or players in Tokyo attack players outside. Three 1 dice score 1 point, three 2s score 2, and three 3s score 3. Any additional same-numbered die scores 1 additional point.
Expansions
2012's Power Up! introduced 56 evolution cards, 7 tokens, and a new monster: Pandakaï. Re-released in 2017 with updated art to match 2nd edition of King of Tokyo and including 72 evolution cards.
2013's Halloween collector pack includes 2 new monsters and their 16 evolution cards, 12 new costume power cards, promo card for King of New York, and 6 orange dice. Re-released in 2017 with updated art to match 2nd edition of King of Tokyo.
2017 - Monster Pack 1: Cthulhu is a small expansion for both King of Tokyo and King of New York. It includes a new Monster with a player board and Evolution cards to use with the Power Up expansion to either base set. It also includes double-sided Cultist/Temple tiles and Madness tokens.
2017 - Monster Pack 2: King Kong is a small expansion for both King of Tokyo and King of New York. It includes a new Monster with a player board and Evolution cards to use with the Power Up expansion to either base set. It also includes Tokyo Tower for King of Tokyo and Empire State Building for King of New York. As an alternative victory condition, players try to obtain levels of the buildings during their turns and if they obtain all 3 levels they win the game.
2018 - Monster Pack 3: Anubis is a small expansion for both King of Tokyo and King of New York. It includes a new Monster with a player board and Evolution cards to use with the Power Up expansion to either base set. It also includes a Die of Fate, Curse Cards, and the Golden Scarab Card.
2019 - Monster Pack 4: Cybertooth is a small expansion for both King of Tokyo and King of New York. It includes a new Monster with a player board and Evolution cards to use with the Power Up expansion to either base set. It also includes a Berserk Die.
There are also many promo cards from Brokenbarr to Piecekeeper
Variants
2014's King of New York introduces six new monsters attacking the boroughs of New York City. The new game features to this stand alone game include buildings to destroy and human military forces that can fight back.
2016's King of New York: Power Up is a similar expansion to the Power Up for King of Tokyo and adds a new monster: Mega Shark, and provides 112 evolution cards for Mega Shark and the six other monsters in the King of New York base game.