Mysterious Door and Dog Room
How the Snowdin mysterious door opens after True Pacifist credit conditions.
Guides
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Mettaton EX Peaceful Clear Tips
Raise ratings, use Alphys’s tools, and clear Mettaton EX without a kill for Pacifist.
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Hard Mode Explained
How to activate Hard Mode, what changes, and why it ends early.
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Waterfall Piano Puzzle (Artifact Room)
Give the statue an umbrella, learn the melody, open the artifact room, and get Dog Residue.
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Temmie College and Temmie Armor
Find Temmie Village, fund college for 1000G, and unlock Temmie Armor with Dog Residue tips.
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Alphys Date and True Lab Access
Deliver Undyne’s letter, finish the Alphys date, and open the True Lab elevator.
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How to Befriend Undyne (Water + House Hangout)
Pour water on Undyne after the chase, then complete her house hangout and letter step.
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How to Befriend Papyrus
Spare Papyrus, visit his house, and finish the date hangout required for True Pacifist.
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Genocide Route Overview (Read Before You Start)
What Genocide requires, why communities warn first-timers, and what “permanent” really means.
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Neutral Route Explained
What the Neutral Route is, why your first ending is usually Neutral, and how ending phone calls change.