King of Tokyo expansions

Buy order

1. 1
   #1 overall

   Power Up!

   Buy this first

   Community pick for first expansion. Halloween's extras include Evolution cards that only work with Power Up!.

   Needs: Just the base game

   Adds: Evolution cards: a set of special powers for each monster.

   Expansion

   I own this: Power Up!DetailsBuy Power Up!:GameNerdz (opens in a new tab)CoolStuffInc (opens in a new tab)More info: Power Up!
2. 2
   #2 overall

   Halloween

   Depends on your group

   Fun extras for fans. Get Power Up! first so you can use all of it.

   Needs: You need King of Tokyo (1st or 2nd edition). Power Up! is needed to use its Evolution cards.

   Adds: Two new monsters, costume cards, and extra powers and Evolution cards.

   Expansion2–6 players

   I own this: HalloweenDetailsBuy Halloween:IELLO (opens in a new tab)GameNerdz (opens in a new tab)CoolStuffInc (opens in a new tab)More info: Halloween
3. 3
   #3 overall

   King Kong Monster Pack

   Depends on your group

   Good if you want a new monster and are curious about a new win condition. One reviewer disliked the Tokyo Tower race and played Kong without it.

   Needs: Just the base game

   Adds: A new monster (King Kong) with Evolution cards and a Tokyo Tower that gives a new way to win; also works with King of New York.

   Mini expansion

   I own this: King Kong Monster PackDetailsBuy King Kong Monster Pack:Amazon (opens in a new tab)IELLO (opens in a new tab)GameNerdz (opens in a new tab)+1 moreMore info: King Kong Monster Pack
4. 4
   #4 overall

   Cthulhu Monster Pack

   Depends on your group

   A fun extra monster once you own Power Up!. One reviewer's group dropped the Madness card because it made turns worse for everyone else.

   Needs: Just the base game

   Adds: A new monster (Cthulhu) with Evolution cards, Cultist tiles and Madness tokens; also works with King of New York.

   Mini expansion

   I own this: Cthulhu Monster PackDetailsBuy Cthulhu Monster Pack:Amazon (opens in a new tab)IELLO (opens in a new tab)GameNerdz (opens in a new tab)+1 moreMore info: Cthulhu Monster Pack
5. 5
   #5 overall

   Baby Gigazaur

   Most groups can skip

   Skip it unless you just want one more monster. It adds no new rules, and its Evolution cards only work if you own Power Up!.

   Needs: Just the base game

   Adds: One new monster (Baby Gigazaur) with its own board and 8 Evolution cards. No new rules.

   Mini expansion2–6 playersAbout the same rules loadBest for casual groups

   I own this: Baby GigazaurDetailsBuy Baby Gigazaur:IELLO (opens in a new tab)More info: Baby Gigazaur

Rankings are our editorial picks, built from the reviews linked on each expansion page. Last checked 2026-09-27.