Postgame Cleanup

Use a brain tumbler to re-enter Gristol's mind and teleport to the gift shop. Tag the SUITCASE to complete baggage sorting and earn the You're it! trophy/achievement.

Collect the remaining figments in Gristol's mind to reach 98/98 total, unlocking the Figheaded trophy/achievement and completing the area's green checkmark.

Reach level 100 to earn the Principal Intern trophy/achievement.

If you missed any time-limited prizes in Compton Boole's mind, re-enter it. Prize boxes will be unlocked, including the steamer trunk tag located behind the blender.

In the mail room, use your archetype to open the door next to the fan, revealing PSI CHALLENGE MARKER (8/8). This completes the Motherlobe area's green checkmark.

In artifact storage, have your archetype open the door past the Mindswarm poster. Look up and left to find an ENEMY SURVEILLANCE DEVICE.

Go to the Lumberstack Diner and have your archetype open the door left of the counter to find the NOVELTY MUG, completing the scavenger hunt.

Take the NOVELTY MUG to Norma in the classroom hallway to turn in the scavenger hunt and unlock the Keep Your Shirt On trophy/achievement. The bathroom, located in the cafeteria, allows you to choose Raz's outfit.

Reach rank 102 to buy all power upgrades and unlock the Unlimited Power! trophy/achievement.

Go to Nona's River House in Green Needle Gulch and talk to Ford or Nona/Lucy to unlock the Making Peace trophy/achievement.

To earn the Take a Lickin' trophy/achievement, use a Psi Pop when Raz is damaged. To trigger a Dream Fluff for the Hiccup in the Giddyup trophy/achievement, run Raz into a fast fan, like the one in the mail room.

Farm psitanium in Gristol's mind's treasure room, equipping the Psimultanium pin to accelerate the process. Reaching the 5000 psitanium cap unlocks the Nest Egg trophy/achievement.

Buy all available pins to unlock the Kingpin trophy/achievement.