Deltarune Explorers Of Sky: Battle Against Primal Dialga by SakuraWinterz

Undertale Stronger Monster by oneCJ and team [COMPLETED]

Undertale: Fading Echoes by TeamUTFE

pz!underfell by PrinkZ

UNDERTALE - FALLEN ANGEL by its me anynam

Undertale New Human by IdontknowactuallyYT

Undertale Hope by SiProductions

Horrortale Rebirth by TheRealQuatrix

Undertale: Prism by piplup4040 and team

Story companions by Fail_determination

Undertale: Determined (for) Justice by Trizzimin

Undertale: The Fallen Angel by RickyAST

Undertale Orange by burtikuna

MT!UnderDeath by Luty_Oficial

Storyfell Fallen Dream by _grillbz_ and team

Undertale Azure by icedwind

Deltarune: Leaked by Tenna and team

Undertale Prisma by Undertale_Prisma_Oficial

= Statistics on project statuses =

I've done an inventory of the current list of fanprojects. Projects deleted (not cancelled!!!) during the first three months of 2025 and projects that have been inactive for more than three years (for various reasons) have been removed from the list. Thus, the status of the list at the time of writing the post is as follows:

~ active projects: 409 (+8)

(9 projects have been removed from the list)

(4 projects were saved in the list, despite long-term inactivity)

~ cancelled projects: 20

~ completed projects: 5

~ projects with undefined status: 4 (+1)

= Statistics on genres and alternative universes =

Total active Undertale projects: 368 (+19), including

~ Underswap AUs: 29 (-2)

~ Underfell AUs: 18 (+2)

~ Storyshift AUs: 9

~ Dusttale AUs: 27 (+1)

~ Prequels: 150 (+7)

~ Sequels: 26 (+4)

~ Crossovers: 7

~ Other UT AUs: 93 (+4)

~ UT mods: 9 (+3)

Total active Deltarune projects: 41 (+1), including

~ New chapters: 13 (+1)

~ Other DR AUs: 27

~ DR mods: 1

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Also check out MangleNightmare's list - there are a lot of cool projects!

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~ You can see all my activity here

~ You can leave art requests here (or under any of my posts)