r/UndertaleAU is a subreddit with 11k members. The community frequently discusses au, sans, undertale, art, and dusttale, and the most common flair used is ✧˖°.art⋆˙⟡, ✧˖°.au discussion⋆˙⟡, ✧˖°.my au⋆˙⟡, ✧˖°.memes⋆˙⟡, and ✧˖°.au lore⋆˙⟡.
❤️A place for Undertale and its various AUs. Separate from Deltarune.❤️
Popular Topics in r/UndertaleAU
#1
Au
119 posts
#2
Sans
88 posts
#3
Undertale
64 posts
#4
Art
29 posts
#5
Dusttale
14 posts
#6
Oc
13 posts
#7
Echotale
13 posts
#8
Core Frisk
13 posts
#9
Mafiatale
12 posts
#10
Character
11 posts
Flair Used in r/UndertaleAU
#1
✧˖°.Art⋆˙⟡
: "Outertale comic"
63 posts
#2
✧˖°.AU Discussion⋆˙⟡
: "Have y'all heard of Tory Fox UNDERSWAP? What are y'alls thoughts on it?"
26 posts
#3
✧˖°.My AU⋆˙⟡
: "This will be the main character of my AU, thoughts?"
26 posts
#4
✧˖°.Memes⋆˙⟡
: "I think that's the wrong Undertale..."
14 posts
#5
✧˖°.AU Lore⋆˙⟡
: "Undertale: Karma's a Bitch [Official]"
7 posts
#6
✧˖°.AU Interactions⋆˙⟡
: "How would an interaction between all of them go?"
3 posts
#7
✧˖°.AU Trio⋆˙⟡
: "What do you think about "Fantasy Time Trio""
3 posts
#8
✧˖°.AU Debate⋆˙⟡
: "Is this supposed to be a joke or sarcasm?"
2 posts
#9
✧˖°.AU Summary⋆˙⟡
: "Information About ' Ending Time Octet '"
1 post
Member Growth in r/UndertaleAU
Yearly
+4k members(55.9%)
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Last updated: June 10, 2026