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A typical occurrence of the Grandmapocalypse in version 1.031, during the final stage.

The Grandmapocalypse is an endgame event that occurs once certain conditions are met. The Grandmapocalypse affects both the 1.0 Update of the game, as well as the pre-update version. It affects the appearance of the game window and causes spawning of Wrinklers and Wrath cookies.
Warning screen

Warning message that shows up when you buy One Mind upgrade.

Cookie Clicker v.1.03Edit

The Grandmapocalypse returned alongside various other grandma-related updates in version "1.03", which was then quickly updated once again with only Grandmapocalypse-related updates in version "1.031". It is triggered after buying the "One mind" upgrade from the Research Facility.

Known effects of this event include the background changing into a painting of grandmothers slowly acquiring a demonic appearance and the Wrath Cookie occasionally (or once angered enough, always) appearing instead of the Golden Cookie . In stats page "Special" section which, among other things such as the research progress from the Bingo center/Research facility, indicates the grandmatriarch's mood, from "Awoken", to "Displeased" and finally "Angered". In the version 1.0393, the Grandmas in the Store section of the game start turning creepy and Wrinklers, leechlike creatures that decrease CpS (cookies per second) until popped, will start to appear.

Once the Grandmapocalypse occurs, the primary way to revert to a non-apocalyptic state is to purchase/toggle the Elder Covenant, which is worth exactly 66,666,666,666,665 cookies. It is the last upgrade that can be researched in the Bingo Center (after the Elder Pledge) and puts a definite hold to the Grandmatriarchs' wrath and permanently reverts their state of mind to "appeased". This results in the background changing into its original blue self and absence of the Wrath Cookie. This purchase results in a 5% reduction of your CpS. In order to return to the chaotic state of the Grandmapocalypse, the Elder Covenant can always be revoked at a cost of 6,666,666,666 cookies (approximately 1/10000th the cost of (re-)making the contract). This also restores your CpS to normal.

A way to put a temporary hold to the Grandmapocalypse is buying the Elder Pledge. Spending a few cookies on the Elder Pledge will put the genocidal grandmas to rest for 30 minutes. During this time their mood displays as "appeased". Every time an Elder Pledge is bought, its price goes up by a factor of 8, capping at 4,398,046,511,104 (meaning once this point is reached, it's actually "cheaper" during continual active play to leave the Covenant in place until you're making approximately 6.1 billion CpS - or 5.8 with it in place. Even whilst idling, if you're going to be away for less than about 12 hours, or proportionally much longer at lower production rates, it can actually be more "expensive" to break and remake the Covenant than just leaving it be). The upgrade Sacrificial Rolling Pins doubles the time of peace, making it an hour long, and halves the breakpoint where the Covenant ceases to be cost effective to 3.05 billion CpS (where also you need to be AFK for 24+ hours to make breaking and re-making it worthwhile).

The Grandmapocalypse can also be stopped by selling all of your grandmas. Doing this causes the Grandmatriarchs' status to disappear from the Stats page, causes Wrath Cookies to stop appearing, pops all Wrinklers currently feeding on the Big Cookie, and reverts the news ticker to the standard collection of headlines. The typical Grandma quotes that occur upon selling a grandma also appear. In the end-game this results in a higher base production rate than purchasing the Elder Covenant. This can be quickly tested by opening multiple tabs. Buying at least one grandma will restart the Grandmapocalypse at the point you left off.

Achievements Edit

Icon Name Description ID
GrandmaDeathSkull Elder nap Appease the grandmatriarchs at least once.
GrandmaDeathSkull Elder Slumber Appease the grandmatriarchs at least 5 times.
"our mind
the universe"
GrandmaDeathSkull Elder calm Declare a covenant with the grandmatriarchs.
Itchscratcher Itchscratcher Burst 1 wrinkler. 105
Itchscratcher Wrinklesquisher Burst 50 wrinklers. 106
Itchscratcher Moistburster Burst 200 wrinklers 107
Last Chance to See Burst the near extinct Shiny Wrinkler

Background changesEdit

As the Grandmapocalypse goes on, the Grandmatriarchs grow increasingly angry with each Bingo Center/Research Facility related upgrade. This is reflected in the backgrounds:


A profitable strategy involves stopping progression of the grandmapocalypse after One Mind (i.e. buying Exotic Nuts, but not Communal Brainsweep). This holds the status of the grandmatriarchs at awoken, and allows for golden cookies to spawn alongside wrinklers, albeit with the occasional red cookie. Since each Wrinkler returns 1.1x all cookies eaten while they were present, rather than just the cookies that one ate, if you let 10 Wrinklers eat cookies for an extended period, when you pop them you will end up with a total of 6x as many cookies as you would normally get. Mixed with the frequent x7 Frenzy production from clicking Golden Cookies, the result is an average CpS that is over 10x your natural CpS. And since the "Lucky" golden cookie bonus is not affected by Wrinklers, you will still get the full amount from a "Lucky" bonus while you have the Wrinklers. In addition, you can also get the x666 Elder Frenzy, which will stack with your Wrinklers and give more cookies. For pure CpS speed, this is the best strategy.

It takes an average of 54 minutes, 14.4 seconds for all 10 wrinklers to spawn during "awoken" status, 27 minutes, 7.2 seconds during "displeased", and 18 minutes, 4.8 seconds during "angered".

If you are very dedicated to the game, an advanced playstyle is to purchase everything up to Elder Pact, but not the Pledge or Covenant. This strategy hinges on a mechanic called "eldeer" - when a Reindeer appears during a x666 Elder Frenzy. The reason this requires constant activity and monitoring is because you will want to synchronize your wrath cookies and Reindeer. If a cookie is on screen, wait until it is either almost completely faded out or a Reindeer is on screen before clicking it. Always wait until a Reindeer is at the far right of the screen, over the buildings panel, before clicking it. This encourages cookies and deer to line up, and eventually you will hit the jackpot. Even if it isn't Christmas, and you don't have the Season Switcher upgrade, or you are trying to get Easter eggs, Halloween cookies, or Valentine's Day cookies, buying the Elder Pact, and thus having more wrath cookies, can be profitable just due to the Elder frenzy.

An often-overlooked factor is the usefulness of wrinklers to get seasonal upgrades. Halloween requires you to pop wrinklers to get its cookies, and wrinklers also can give you Easter eggs. For this reason, some people may choose to buy the Elder Pact, which causes wrinklers to spawn faster, even if they prefer Golden Cookies to Wrath Cookies.

Only if you use a full autoclicker (250+ clicks per second) is Pledging even remotely better than One Mind or Elder Pact. Although you have full golden cookies, you give up Wrinklers and their respective 6x CpS boost. If you prefer golden cookie gains, but also like to get lots of cookies, stopping at One Mind is far better. As said before, the higher Frenzy-Lucky chances are only beneficial if you use the max autoclick settings - other than that, the Wrinkler loss is not worth it.

Never, ever use the Covenant. Since all the golden cookie rewards (the only reason you would use the Covenant at all) are all CpS dependant, giving up your CpS to use them is illogical. If you must end the grandmapocalypse, Pledging is much, much better. Exception: You can use Covenant to cancel a Pledge if it has a long time remaining and you need to go AFK. Simply get Covenant and then immediately revoke it. The Pledge will be cancelled and wrinklers will start to appear, quickly regaining the cost of doing this.

In Cookie Clicker ClassicEdit


An example of the first stage of the grandmapocalypse


Another occurrence of the grandmapocalypse

The Grandmapocalypse starts once you've accumulated over 1,000,000 cookies. The screen becomes covered in a shaking, flashing, tiled background of grandmas. As you gain more cookies, the Grandmapocalypse becomes more intense, with more images of different grandmas of various sizes and intensity. Sometimes the background can stretch or can shake very hard. The grandmapocalypse background is made with the grandma image from the shop on the right. If you cheat by adding over 999,999,999,999,999 cookies, you'll start to enter the 3rd stage of the grandmapocalypse. Example: Having infinite cookies (1e,+99999) will bring you to the 3rd stage of the grandmapocalypse.

The Elder PledgeEdit

The Grandmapocalypse can be temporarily halted by purchasing the Elder Pledge, an upgrade which becomes available after accumulating over 2,000,000 cookies. It's like a neat kind of Grandmapocalypse Removal System.  The first iteration of this upgrade costs 666,666 cookies and increases the effectiveness of your clicking, and boosts the CpS of your grandmas based on your number of portals. Tip: Turn flashing off so you can't see the grandmapocalypse background.


The boost in CpS from purchasing the elder pledge can be a huge gift in the beginning of the end game of Cookie Clicker.  Players can increase their clicking output by over 100x with enough cursors which can give a huge boost to cookie output when saving for additional Portals or the coveted Time Machine.  


  • Sometimes, switching windows can cause the grandma background to get 'stuck' in its current state until you buy another upgrade that changes it. (Does not work anymore in version 1.0375)
Ss (2013-09-16 at 07.47.54)

If the bug occurs, this is the result. It's zoomed out for the best effect.

Cookies ClickingBuildings
General AchievementsCpSMilkGolden CookiesNews TickerOptionsCheating
Upgrades Multipliers Flavored CookiesKittens
Research GrandmapocalypseWrath CookiesWrinklersShiny Wrinklers
Ascension PrestigeHeavenly ChipsChallenge Mode
Seasons Valentine's DayBusiness DayEasterHalloweenChristmas

Start a Discussion Discussions about Grandmapocalypse

  • Should I buy the ONE MIND?

    73 messages
    • It's actually better to have one mind because of the wrinklers when you kill them you get all the cookies back, they steal your CPS not cookies...
    • Yes, but getting into later stages of the Grandmapocalyps improves wrinkler spawn rates... Just something to keep in mind.
  • How else do you stop it?

    2 messages
    • I want to know how  to end the grandmapocalipse(IDK how to spell) without selling all your grandmas. I don't want to sell them, have exactly 200.
    • Declare a covenant with them but that gives 5% less cps as long as it is in place, or you can repeatedly appease them buying the elder ple...

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