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Wondering where to find all Psychonauts 2 Quarry PSI Challenge Cards locations, to upgrade Raz’s rank faster?
Look no further, friends, because, throughout the guide below (which is similar to the one for all Motherlobe Cards), I’ll tell you where to find all 18 Psychonauts 2 Motherlobe Quarry PSI Challenge Cards collectibles hidden by the Double Fine Productions devs.
These Challenge Cards are not only mandatory if you intend to reach Rank 100, but they are also quite entertaining.
All Motherlobe Quarry PSI Challenge Cards Locations
Before we start, keep in mind that there are 18 PSI Challenge Cards you’ll have to get in this area, and some of them require specific upgrades or badges.
To make this guide as easy as possible, if such an upgrade or badge is required, it will be outlined.
Otherwise, you can get them the moment you enter the Quarry via story progression.
Quarry PSI Challenge Card 1
Map Location: C (Research and Development)
How To Get: When you reach Otto’s laboratory for the first time (via story progression), go behind his desk and on the other side of the room, look on the right side of the stairs.
Quarry PSI Challenge Card 2
Map Location: C (Research and Development)
How To Get: Opposed to the previous card, in the same area, look for a platform to spot the second PSI Challenge Card.
Quarry PSI Challenge Card 3
Map Location: 2 (Treehouse)
How To Get: When you reach the Treehouse using the boat or by jumping on the floating logs, head up using the pipe in the back of the tree.
Now, use the stairs, and when you are on the balcony, head right around the house to spot this hidden Challenge Card.
Quarry PSI Challenge Card 4
Map Location: A (Motherlobe)
How To Get: While facing the entrance to the Motherlobe, head left and remain under the balcony.
Look down to spot this collectible card floating on a wooden log.
Quarry PSI Challenge Card 5
Map Location: A (Motherlobe)
How To Get: After you get the previous card, make sure you find the boat in this area, then return to the same log.
While looking at the said log but standing in the boat, head right to see a secluded area with another card. This is one of the trickiest collectibles, and it’s basically under the Jet Landing Pad.
Quarry PSI Challenge Card 6
Map Location: 3 (Lili’s Garden)
How To Get: From the Motherlobe, head right while facing the Quarry, and use the lift to glide up. Hug the right side of the mountain and use the branch to get to the large rocks in the distance.
On the right side, you’ll see this card.
Quarry PSI Challenge Card 7
Map Location: 3 (Lili’s Garden)
How To Get: After you get the previous Quarry Card collectible, simply jump on the vines in front of you and climb to the next one.
Quarry PSI Challenge Card 8
Map Location: Central Area
How To Get: From the Motherlobe Entrance, use the pink platforms towards the Psychoisolation Chamber.
The card is found on a small island in the middle of the lake. Walk on the rope to collect it.
Quarry PSI Challenge Card 9
Map Location: B (Psychoisolation Chamber)
How To Get: Once you get the previous card, head towards the Psychoisolation Chamber, and while standing in front of the entrance, turn right to spot the next one.
Just jump on the pipe to get it.
Quarry PSI Challenge Card 10
Map Location: B (Psychoisolation Chamber)
How To Get: For the next card, just run on the ramps outside the Psychoisolation Chamber and go around the large bowl.
You’ll see the card in front of it.
Quarry PSI Challenge Card 11
Map Location: D (Mux Turbine)
How To Get: For the next card, you’ll need a boat to get to the Mux Turbine.
The collectible is located on a generator close to the water, on the right side of the rock, with a sheep on it. Use the nets on the wall to get it.
Quarry PSI Challenge Card 12
Map Location: G (Danger: Abandoned Mine)
How To Get: The next card is in the Abandoned Mine Area.
As you cross the large gap between the mountains, you’ll spot it on a platform (pictured).
To get it, the moment you cross the gap by balancing on the rope, climb up to see a swing. Use it to get to the platform with the collectible.
Quarry PSI Challenge Card 13
Map Location: G (Danger: Abandoned Mine)
How To Get: After you get the previous collectible, retrace your steps to the rope above the river below, then look down to spot 2 broken railways.
Jump on the one on the right, and it will take you to the next card. Just don’t forget to jump again when you reach the other side.
Quarry PSI Challenge Card 14
Map Location: G (Danger: Abandoned Mine)
How To Get: Head back up and enter the mine (Blastcap Becky Cave), and go all the way to the other side, where you’ll see a purple machine.
While facing it, turn around and look up to spot this card which can be reached by jumping on the bush nearby.
Quarry PSI Challenge Card 15
Map Location: G (Danger: Abandoned Mine)
How To Get: Immediately after you get the card pictured above, destroy the 2 wooden crates in front of you, then jump on the rails.
Be fast because you’ll have to jump when you reach the other side in order to get the PSI card on the left side of the cave.
Quarry PSI Challenge Card 16
Map Location: C (Research and Development)
How To Get: After you unlock the Time Bubble Badge for Raz by finishing the PSI King’s Sensorium, head back to Otto’s Lab.
Go behind his office, and slow down the vent on the left side. Around the corner, you’ll find the next card.
Quarry PSI Challenge Card 17
Map Location: E (Jet Landing Pad)
How To Get: On your way back to the Motherlobe, don’t miss the card sitting on the jet’s tail.
Use the lift by the entrance to go up and reach it.
Quarry PSI Challenge Card 18
Map Location: 2 (Treehouse)
How To Get: The final Motherlobe Quarry PSI Challenge Card is also the trickiest and very easy to miss.
This one is found on top of a flagpole which can be seen on the Treehouse.
To get it, go behind the Treehouse, then use the rail to go up.
Now climb the stairs, then head left and jump on the wooden platform. Climb the pole nearby and then jump on the swinging pole.
Finally, jump on the pipe to slide down and get the collectible.
These are all PSI Challenge Cards locations in the Motherlobe Quarry area of Psychonauts 2, but now you may want to check this guide for those in Questionable Area since they are trickier than those you just found.
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