This page of the guide to Psychonauts 2 contains all the PSI Challenge Cards available in The Quarry location.
you might find 18 PSI Challenge Cards in this level.
Card No.
1
Location: Motherlobe Area.
You’ll find this card on the rope, next to the mighty trees.
you’ve got the option to get it while heading to the Psychoisolation Chamber.
Card No.
2
You’ll find this card on a metal pipe.
you’re able to reach them by heading to the Psychoisolation Chamber.
Card No.
3
Location: Abandoned Mine.
That way you’ll reach the card without any issue.
Card No.
Card No.
5
Location: Otto’s Laboratory.
You’ll find this card on the right of the giant machine with brains.
Reach it with a simple double jump.
Card No.
6
You’ll find this card on the left of the giant machine with brains.
You simply need to jump onto the wooden platform.
Card No.
7
This card is located to the left of the entrance (when looking at the building).
You just need to jump onto the stone platform.
Card No.
8
This card is right behind the previous one.
you should probably jump onto the platform nearby.
Climb the vines to reach it.

Card No.
9
You’ll find the card right on a wooden beam right under the building.
Just jump off the edge and use levitation to get to the right place.
Card No.
10
Location: Treehouse.
This card can be found behind the treehouse.
Simply run along the railing.
Card No.
11
To reach this card you must first climb onto the flag by the treehouse.
Then jump on the metal railing where the secret awaits.
Card No.
12
Location: Mux Turbine.
Finding this card is very simple.
Jump onto a wooden platform, then onto the wall.
That way you’ll reach the secret without any issue.
Card No.
Card No.
14
Location: Psychoisolation Chamber.
This card is found on the roof of the Psychoisolation Chamber.
You’ll reach it by running along the decorative wall.
Card No.
That’s where you’ll find the card, it’s possible for you to easily jump towards it.
Card No.
16
Jump off the metal railing to reach this card.
Card No.
17
This card is found right underneath the building.
You’ll have to get there by boat.
Card No.
18
The final card is found on top of the plane.
it’s possible for you to easily jump onto it and get it.