The prism is a building added in v1.041, and it is currently the second most expensive building. It costs 2.1 quadrillion cookies. Each prism initially produces 2.9 billion cookies per second.


Icon Name Description ID
PrismNew Lone photon Have 1 prism. 123
PinkPrismNew Dazzling glimmer Have 50 prisms. 124
CyanPrismNew Blinding flash Have 100 prisms. 125
OrangePrismNew Unending glow Have 150 prisms. 126
GoldPrismNew Rise and shine Have 200 prisms. 158
RustedPrismNew Bright future Have 250 prisms. 221
BlackPrismNew Harmony of the spheres Have 300 prisms. 261
AtTheEndOfTheTunnel At the end of the tunnel Have 350 prisms. 292
Prism Monument1 v15 Praise the sun Make 1 septillion cookies just from prisms. 144
Prism Monument2 v15 A still more glorious dawn Make 1 octillion cookies just from prisms. 202
PinkDiamond Now the dark days are gone Make 1 nonillion cookies just from prisms. 306
GayDPrism Palettable Reach level 10 prisms. 320


Icon Name Quantity needed Base price (cookies) Description ID
PrismNew Gem polish 1 21 quadrillion Prisms are twice as efficient.
"Get rid of the grime and let more light in.
Truly, truly outrageous."
PinkPrismNew 9th color 5 105 quadrillion Prisms are twice as efficient.
"Delve into the untouched optical depths where even the mantis shrimp hasn't set an eye!"
CyanPrismNew Chocolate light 25 1.05 quintillion Prisms are twice as efficient.
"Bask into its cocoalesence.
(Warning : may cause various interesting albeit deadly skin conditions.)"
OrangePrismNew Grainbow 50 105 quintillion Prisms are twice as efficient.
"Remember the different grains using the handy Roy G. Biv mnemonic : R is for rice, O is for Oats... uh, B for barley?..."
GoldPrismNew Pure cosmic light 100 10.5 sextillion Prisms are twice as efficient.
"Your prisms now receive pristine unadulterated photons from the other end of the universe."
RustedPrismNew Glow-in-the-dark 150 1.05 septillion Prisms are twice as efficient.
"Your prisms now glow in the dark, effectively doubling their output."
BlackPrismNew Lux sanctorum 200 1.05 octillion Prisms are twice as efficient.
"Your prism attendants have become increasingly mesmerized with something in the light - or maybe something beyond it; beyond us all, perhaps?"
SilverPrismNew Reverse shadows 250 1.05 nonillion Prisms are twice as efficient.
"Oh man, this is really messing with your eyes."
Hazelrald Prism Crystal mirrors 300 1.05 decillion Prisms are twice as efficient.
"Designed to filter more light back into your prisms, reaching levels of brightness that reality itself had never planned for.

Grandma FormEdit

Purchasing 15 Prisms allows for the purchasing of a Grandma upgrade and a new Grandma type.

Icon Name Quantity Needed Price (cookies) Description ID #
GrandmaAchieveNew Rainbow grandmas 15 prisms and 1 grandma 105 quadrillion Grandmas are twice as efficient. Prisms gain +1% CpS per 12 grandmas.
"A luminous grandma to sparkle into cookies."


  • The upgrade "9th color" could be a reference to Terry Pratchett's Discworld series, in which there are 8 colors, implying a step up from even that.
  • Part of the flavor text for the Prism upgrade Gem Polish ("Truly, truly outrageous.") is a reference to the 1980s cartoon series Jem, specifically the opening theme. Some believe that it may also be a reference to the League of Legends champion, Taric, but in actual fact, this too is a reference to the theme from "Jem."
  • The News ticker message "Can't you sense the prism watching us?" refers to PRISM, a United States survelliance outed by Edward Snowden.
  • The name of the last achievement, Praise the Sun, is a reference to a famous quote from the game Dark Souls.
  • Inside of the code for the beta version of the game, you can find an achievement "The Dark Side of The Moon" with flavor text "oh god", which requires to have 1000 prisms. It is not added to the final game and Orteil left a commentary after it which says: "this is a joke I promise". Its name is also a reference to the Pink Floyd album of the same name.
  • All of the Prism upgrades cost 1.05*10x cookies except for Gem Polish, which costs one fifth of 1.05*1017
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