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.
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 |
Hour by hour on 30 March 2026
Its rank on each location's list, by hour (UTC), on its busiest day.
| Hour | Mexico | Santiago, Chile | Concepcion, Chile | Acapulco, Mexico |
|---|---|---|---|---|
| 00:00 | #17 | - | - | - |
| 01:00 | - | #19 | #19 | - |
| 04:00 | - | - | - | #9 |
Every time it trended
List updates per year, all locations.
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.