r/UndertaleAU↗
❤️A place for Undertale and its various AUs. Separate from Deltarune.❤️
14k subscribers719 posts / mo in Sep 2026 (incl. <1% by known bots)329 authors / mosince 2019
r/UndertaleAU has 14k members (+58% over the last 12 months). It gets about 719 posts a month from 329 people. Top topics: Sans and Undertale Discussion, AU Creatives and Undertale Discussions.
When to post on r/UndertaleAU
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How r/UndertaleAU has grown
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Topics and brands on r/UndertaleAU
Top topics
Share of the subreddit's posts
- Sans and Undertale Discussion12%
- AU Creatives8.0%
- Undertale Discussions3.7%
- AU Stories & Art2.4%
- Chara Characters & Concepts2.0%
Brands people mention
Most-mentioned brands and sites, last 12 months
Posting rules for r/UndertaleAU
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What works on r/UndertaleAU
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Who posts on r/UndertaleAU
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What people ask for on r/UndertaleAU
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Subreddits like r/UndertaleAU
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See all of r/UndertaleAU
Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research