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Undertale & Deltarune Boss Themes

Given a boss, try to name its battle track.
Red text are genocide exclusive bosses
Yellow text are pacfist exclusive bosses
Quiz by
Polen
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Last updated: November 30, 2025
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First submittedSeptember 7, 2025
Times taken290
Average score77.4%
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UNDERTALE
Boss
Track
Battle Theme (Standard)
Enemy Approaching
Battle Theme (Hard Mode)
Stronger Monsters
Battle Theme (CORE)
CORE
Napstablook
Ghost Fight
Toriel
Heartache
Greater Dog
Dogsong
Papyrus
Nyeh Heh Heh!
Bonetrousle
Mad Dummy
Dummy!
Undyne
Spear of Justice
Undyne the Undying
Battle Against A True Hero
Mettaton
Metal Crusher
So Sorry
Wrong Enemy!?
Muffet
Spider Dance
Mettaton EX
Death by Glamour
Mettaton NEO
Power of NEO
Sans
Megalovania
Asgore
ASGORE
Photoshop Flowey
Your Best Nightmare
Finale
Amalgamates
Amalgam
Asriel Dreemurr
Hopes and Dreams
Burn in Despair!
SAVE the World
His Theme
Mad Mew Mew
Mad Mew Mew
DELTARUNE
Boss
Track
Battle Theme (Standard)
Rude Buster
Battle Theme (Queen's Mansion)
Pandora Palace
Battle Theme (TV Time)
Ruder Buster
Battle Theme (Dark Sanctuary)
From Now On (Battle 2)
K. Round
Checker Dance
Lancer and Susie
Vs. Lancer
Lancer
Vs. Susie
King
Chaos King
Jevil
THE WORLD REVOLVING
Sweet Cap'n Cakes
Cyber Battle (Solo)
Berdly
Smart Race
Spamton
NOW"S YOUR CHANCE TO BE A
Rouxls Kaard
It's Pronounced "Rules"
Queen
Attack of the Killer Queen
GIGA Queen
Knock You Down !!
Spamton NEO
Big Shot
Watercooler
Vapor Buster
Tenna
It's TV Time!
Roaring Knight
Black Knife
Shadow Mantle Holder
BURNING EYES
Jackenstein
A DARK ZONE
Hammer of Justice (Gerson)
Hammer of Justice
Sound of Justice
Ripple
Titan Spawn
SPAWN
Titan
GUARDIAN
Need a hand!?
Mike
Catswing
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3 Comments
+2
Level 20
Sep 10, 2025
quick correction, just letting you know

jackenstein's theme is called "A DARK ZONE", not "A DARK PLACE". that's all!

+2
Level 68
Sep 10, 2025
Fixed.
+1
Level 47
Sep 16, 2025
I love this, however i feel like there is not enough time to get them all (i dont know if you can change that so sorry if you cant). This was a lot of fun though!