Abyss School Guide | Floor 8 Puzzle Solution

A guide on how to solve the Floor 8 puzzle in Abyss School.

Game Guide by Sabi on Mar 16, 2025

In Abyss School, you have to go through 10 floors. Unlocking each will help you progress in the game. This guide will show you how to solve the Floor 8 puzzle.

Unlock the First Door

Abyss School Guide, Unlock the First Door

Move the animal models according to the projector board image in class. Arrange them correctly to unlock the door. Pass through the pull window, avoiding the purple flesh-outlined phony windows. Use the petri dish crowbar to squeeze through the desk pile within.

Collect the three essential pieces as you progress. The last one is in a boarded-up cross-space, while two are in petri dishes along the abyss zombie's journey. Enter the desk gap near the closet and unlock it with all three key pieces.

Enter the women's restroom. Bolt cutters are in the second left stall. Get detergent and a sponge from the locked stall in the far-left corner. Avoid opening the first stall—an abyss zombie elite is inside. Return to the hallway and grab the hammer, but first, let the pulling egg eat the abyss zombie elite.

Hammer a hole in the second restroom stall and remove the stain to reveal the hidden code 5166. Use this passcode to unlock the main door and proceed.

Solve the Fuse and Constellation Puzzles

Abyss School Guide, Solve the Fuse and Constellation Puzzles

At the right side of the chamber, bait the abyss zombie into the pulling egg. After distracting it, climb through the window nearest the pulling egg and retrieve the fuse and a closet key from another table. Go to the next window and get more bolt cutters. Return to the chained window, cut it, and enter for another fuse.

In the next room, arrange the constellation symbols on the chalkboard in the right order: Libra, Aquarius, Leo, and Cancer. When this puzzle is solved, a window opens. Hop over the walls to collect a fuse and hammer while avoiding the pulling head.

Crack the celestial room wall and crawl in. Switches expose chalkboard numbers here. Add these numbers to get 8148, then use it to unlock the window. Pass through the window, enter the desk gap, and take the last fuse. Back at the main doors, install all fuses, and open the next area.

Activating the Power and Unlocking the Final Door

Abyss School Guide, Activating the Power and Unlocking the Final Door

Pass two abyss zombies on the far right of the chamber. The wall passcode panel says 43 + 72. Solve the equation for 115 and enter it into the passcode to power the main door one section.

A consuming egg is on the floor in the right corridor, returning to the main chamber. Step upon the egg dish to see 89 + 32. This yields 121, which must be input into the passcode panel to activate the door.

Same technique, different equation: 72 + 93 on the left front corridor. Input 165 to power the door. Finally, enter the enormous left room, which has the same puzzle format as the right.

Be careful with the tugging egg this time. The wall equation says 86 + 96 = 182. Enter this passcode to finish power activation.

The main door unlocks when all power sources are on. Continue the game via the door.

Also, check out our Abyss School other guides below: