UNDERTALE: Puzzle Solutions

Ruins

Cracked Floor Puzzle

The Cracked Floor Puzzle in the Ruins is two-layered. Some areas will cause you to fall and prevent progress, while others require you to fall and activate a switch. Move while keeping track of where you want to go.

Switch Puzzle

The Switch Puzzle in the Ruins is a puzzle where you can progress by pressing the switches. There are areas where you need to push rocks to step on switches, as well as areas where you need to press hidden switches behind pillars to proceed.

Ruins Puzzle Strategy

Snowdin

Switch Puzzle

The Switch Puzzle in Snowdin is a puzzle where you can progress by pressing switches. Press hidden switches or change all the X's to circles and press the switch to clear the puzzle. Some puzzles can be cleared by talking to Papyrus multiple times.

Snowdin Puzzle Strategy

Waterfall

Piano Room Puzzle

The puzzle in the Piano Room in Waterfall is a mystery that involves playing the piano to open the hidden door. Solving it is not necessary for progression, but if you want to earn money, you can obtain valuable items. Give it a try if you want to make some money.

Piano Puzzle Walkthrough

Hotland

Arrow Puzzle

The Arrow Puzzle in Hotland is a maze-like mystery where stepping on it moves you in the direction of the arrow. Some arrows may change direction, so make sure to keep track of where you want to go while moving.

Hotland Arrow Puzzle Walkthrough

Shooting Puzzle

The Shooting Puzzle in Hotland involves moving the black box and shooting at the inverted triangle enemy. It is also possible to eliminate the black box by hitting it with bullets.

Shooting Puzzle Walkthrough

CORE

Shooting Puzzle

The Shooting Puzzle in the CORE is the same as the one in Hotland. However, if you engage in battles with a large number of monsters, you can proceed without solving it.

Core Puzzle Walkthrough

True Laboratory

Key Hunt

The puzzle in True Laboratory involves finding four different keys and fitting them into slots. It's worth noting that True Laboratory is a location that can only be accessed in the Pacifist Route, and it has an entrance in the lab where Alphys first appears.

True Laboratory Puzzle Walkthrough