How do you unlock artifacts?

[Deathtank]

Are they hidden in stages like in the first one? or they are unlocked by challenges...?

[TyresTyco]

I will just copy paste the wiki page... since I explained it already in the other thread where you asked what the artifact of command is....

On Sky Meadow (map 5, where the loop/endboss portal is)

An island below the main area shelters the Compound Generator, a large machine used to spawn the Artifact Portal leading to Bulwark's Ambry. It is accessible by going through one of the 2 floor doors or by dropping down from the correct edge of the main landmass.

Monsters will not spawn on the island housing the Compound Generator.

The Compound Generator can be interacted with in two ways:

9 contraptions can be repeatedly activated to cycle though displaying one of four shapes: square, circle, triangle, diamond (■ ● ▲ ♦). These 9 shapes will together form a code.
The computer can be used to submit the current code to the Generator that will then try to open the Artifact Portal.

If the wrong code is submitted the Portal's opening will fail and it will be possible to submit a new code.

Using the Artifact Portal will lead to Bulwark's Ambry where the players will face a trial to unlock the Artifact corresponding to the code entered in the Compound Generator. It is possible to completely skip the Teleporter Event of Sky Meadow by going through this teleporter.

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You can look for hints for the codes within all the stages in the game or just look at the wiki for the codes.

[Deathtank]

oh! thank you very much!!!

[Do you want a cookie?]

haha lol this just got bumped