Undertale on X: trending history

Undertale has trended in 41 locations since 5 September 2019, reaching #7 in San Luis Potosí, Mexico. It was last on a list 23 September 2026.

First seen
5 Sep 2019
Last seen
23 Sep 2026
Locations
41
Best rank
#7 San Luis Potosí, Mexico

Biggest days

5 Sep 2019
4 locations
16 Sep 2020
8 locations
16 Sep 2021
2 locations
27 Dec 2021
2 locations
26 Jul 2025
2 locations
30 Mar 2026
26 locations

Where it trended most

Hour by hour on 30 March 2026

Its rank on each location's list, by hour (UTC), on its busiest day.

HourMexicoSantiago, ChileConcepcion, ChileAcapulco, Mexico
00:00#17---
01:00-#19#19-
04:00---#9

Every time it trended

List updates per year, all locations.

2019
6 updates, 1 day
2020
14 updates, 3 days
2021
7 updates, 3 days
2025
3 updates, 2 days
2026
30 updates, 4 days

Post volume on its busiest days

Highest volume recorded with the trend; 8 days have a figure.

  • 16 September 2020369,211 posts
  • 16 September 2021156,891 posts
  • 5 September 2019136,850 posts
  • 16 September 202599,800 posts
  • 27 December 202146,472 posts

From twtData's records of X trends in 450+ locations: the biggest countries every hour, the rest once a day. An "update" is one snapshot that listed this topic. Rank and hours on the lists count from November 2025, when our snapshots started keeping X's order; earlier days count only for locations and dates. 7 hours on the lists since then. Counted across 4 spellings.