The castle on ####
A Roblox experience owned by undertale monster kids.
Description (written by the developer; not a statement by this register)
Hello human...Welcome to The Castle on Mt. ##### This is were all the monsters stay. You may not be a monster but is frisk and chara can stay so can you!
Last updated by the developer 31 Dec 2017, 03:50 UTC.
0
playing (measured 17 Oct 2026, 15:15 UTC)
9
lifetime visits
31 December 2017
created (per Roblox)
Live players over time
Growth
Growth history is still building. We hold one measurement for this entry. A trend needs at least two, taken days apart — so this will fill in on its own rather than being estimated. We do not publish numbers we have not measured.
| Measured (UTC) | Players | Change |
|---|---|---|
| 17 Oct 2026, 15:15 | 0 | first reading |
Concurrent players at each of our measurements (insert-on-change).