What is cookie clicker permanent upgrade slot?

Cookie Clicker is a popular incremental game where the player generates cookies by clicking on a giant cookie and buying upgrades using the cookies earned. The Permanent Upgrade Slot is a unique feature in Cookie Clicker that allows players to permanently unlock an upgrade that can be applied to the game's functions.

To unlock the Permanent Upgrade Slot, the player must first have played long enough to unlock the Store, which appears after the player has earned enough cookies. The Permanent Upgrade Slot can be found in the Store and requires 1000 cookies to unlock.

Once purchased, the Permanent Upgrade Slot allows players to select one upgrade that they have previously purchased and make it permanent. This means that the upgrade will remain active even after resetting the game, increasing the player's overall progress. It also frees up a space in the upgrade menu, allowing players to purchase and use other upgrades.

It's worth noting that not all upgrades can be made permanent and some of them may not benefit the player long enough to justify using the Permanent Upgrade Slot. Players should carefully consider which upgrade they want to make permanent based on their individual gameplay style and cookie goals.

Overall, the Permanent Upgrade Slot is an essential tool for experienced Cookie Clicker players who want to maximize their game progress and efficiency.