SmashUp Wiki
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Just when you thought Smash Up might escape... the International Gaming Authority reminded us we were honor-bound to include Cthulhu in one of our products. So we set on to make the Cthulhu-est product ever which you now hold into your hands.

Smash Up: The Obligatory Cthulhu Set features crazy Cthulhu cultists, fishy Innsmouth locals, horrifying Elder Things, and good old Miskatonic University members (the Fightin' Cephalopods). To be certain we got it right, this set also includes a new card type fittingly known as "Madness", that each of these groups use to various effects. Bur remember that Madness brings you power but at a price (joking!).

If you're ready to embrace the creatures beyond the understanding of mortal men, then shuffle up these guys with your pirates, bear cavalry, and others for the most awesome fit of crazed insanity you've had in a long time!

- The Obligatory Cthulhu Set box description

The Obligatory Cthulhu Set is the 3rd Smash Up set, which contains 4 new factions, 8 new bases, a madness deck, a rulebook, and VP tokens.

Combined with all previous sets, there are 16 factions and 32 bases, which make 120 possible pairs of factions.

This set introduces Madness.

Previous set: Awesome Level 9000

Next set: Science Fiction Double Feature




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Other Deck


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+1 Power Counters:

  • White 1 with Cthulhu tentacles / green background
  • Dark green 5 with Cthulhu tentacles / yellow background


Main article: Rules

The rulebook for this set can be found here.

This set introduced the following changes to the rules:

This set also introduced the following clarifications:

  • The definition of Talent added that Actions can have talents.

In other languages

Language Name Translation (if different)
Chinese 克蘇魯法則 Law of Cthulhu
French Cthulhu Fhtagn! Cthulhu Fhtagn!
German Der endgültige Cthulhu The Final Cthulhu
Italian Il Sempreverde Cthulhu The Evergreen Cthulhu
Russian Неизбежный выпуск про Ктулху
Spanish La obligatoria expansión de Cthulhu
The Obligatory Cthulhu Set
Factions: Elder Things  •  Innsmouth  •  Minions of Cthulhu  •  Miskatonic University
Mechanics: Madness  •  Titans (optional, since the TITANS Event Kit)
Main: Core Set  •  Awesome Level 9000  •  The Obligatory Cthulhu Set  •  Science Fiction Double Feature  •  Monster Smash  •  Pretty Pretty Smash Up  •  Smash Up: Munchkin  •  It’s Your Fault!  •  Cease and Desist  •  What Were We Thinking?  •  Big in Japan  •  That ’70s Expansion  •  Oops, You Did It Again  •  World Tour: International Incident  •  World Tour: Culture Shock  •  Smash Up: Marvel  •  Smash Up: Disney Edition  •  10th Anniversary
Big Boxes: The Big Geeky Box  •  The Bigger Geekier Box
Event Kits: All Stars Event Kit  •  TITANS Event Kit
Promotional: Smash Up All Stars  •  Smash Up Sheep Promo  •  Smash Up Penguins  •  Smash Up TITANS  •  Dead Reckoning Promo  •  Smash Up Goblins  •  Smash Up Knights of the Round Table
Cancelled: World Tour Event Kit