PAPERHEAD Guide
PAPERHEAD — All Puzzles Guide
Colored keys and arenas (Ch7), slow-motion unlock (Ch9–10), teeth and water (Ch11), electricity puzzle and Halo (Ch13).
Last updated: October 6, 2026
Quick Answer
Ch7 yellow/blue/pink keys → Ch9–10 pink key + bell → Ch11 lower teeth + rising water → Ch13 draw electricity on scientist + break Halo.
All Puzzles Guide
Puzzles where I stopped and think — keys, teeth, water, electricity, halo. Not so hard when you know order.
Hub: full route.
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Where people stuck
Colored Keys and Arena Survival
Multiple keys and arena fights can be confusing; need efficient routing. — see Chapter 7.

Chapter 7 — key hunt map
Electricity Puzzle
Puzzle that can halt progress; need clear steps. — see Chapter 13.
Step-by-step
Find Yellow Key (Chapter 7)
Find the yellow key to unlock doors.

Yellow / golden key reference
Get Blue Key (Chapter 7)
Get the blue key and use it on the blue door.

Blue key location
Find Pink Key (Chapter 7)
Find the pink key to unlock the living quarters.

Pink key location
Obtain the Yellow Key (Chapter 7)
Pick up the yellow key found in the area.
Use the Pink Key (Chapter 9 & 10)
Use the pink key to open the Sanctuarium door.

Sanctuarium door
Ring the Bell (Chapter 9 & 10)
Use the bell to open a big and scary door.

Bell — golden key
Lower the Teeth (Chapter 11)
Beware of who lives in the depths. The teeth lower to allow passage. Proceed carefully.

Chapter 11 — exit / teeth area
Wait for Water to Rise (Chapter 11)
Water rises to allow crossing. Wait for it to rise, then cross. You may need to do this multiple times to reach higher areas.
Water rises again (Chapter 11)
Water has risen again. Continue forward through the large door.
Solve the electricity puzzle (Chapter 13)
Draw on the scientist to generate electricity, as seen in the demo.
Destroy the Halo (Chapter 13)
Break the halo to possibly reduce enemy health or stop creature spawning. Focus on destroying it while fighting enemies. I wonder if breaking the halo means they have less health or stops spawning creatures.
Find the Blue Key (Chapter 15)
Pick up the blue key. Look for a blue door to use it on.
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