Protean cog

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Key token.png
Protean cog is a Treasure Hunter reward.
If the associated promotion is not currently active, it may not be obtainable.
Protean cog detail.png

Protean cogs are protean items used to train Invention. They were first properly available on Treasure Hunter from 26 January 2017, though they were added to the game API (and temporarily to the game as a glitch) over a month earlier on 19 December 2016 (update).

The Invention Tutorial is required to be completed to be able to use protean cogs.

At most 60 protean cogs can be manufactured with one interaction and each takes 4.2 seconds to manufacture. About 850 cogs can be used per hour.

Like other protean items, cogs can be converted to other protean items at the rate of 3:2.

During the Apple Jubilee promotion, there was a confirmation prompt when attempting to manufacture the cogs without a jubilee hopper. This prompt could be toggled off permanently.

Release history[edit | edit source]

Experience[edit | edit source]

Level 1-4 are excluded as completing the Invention Tutorial will advance the player's Invention level to level 4. However, that can be seen if a player has obtained a protean cog before they've unlocked invention, or interacted with a Jubilee hopper.

LevelXP per cogBase XP per hour
110891,800
21180153,000
41234198,900
61288244,800
81360306,000
101432367,200

Drop sources[edit | edit source]

For an exhaustive list of all known sources for this item, see here.

Update history[edit | edit source]

This information has been compiled as part of the update history project. Some updates may not be included - see here for how to help out!

Trivia[edit | edit source]