[Beta] Undertale: Perfect Universe
A Roblox experience owned by Undertale:Perfect Universe.
Fighting & PvPENUndertale AUPvPBoss Fight
Description (written by the developer; not a statement by this register)
[SHUTDOWN = UPDATE] Welcome to Undertale: The Perfect Universe! Got what it takes to dominate the AU multiverse? Throw hands in chaotic free-for-all PvP, or take down massive bosses with signature Gaster Blasters and bone moves. -- Morph into tons of different Sans AUs with unique skillsets -- Flex custom attacks, dashes, and heavy-hitting domain moves -- Grind Souls, rank up through the Reset system, and get ridiculously OP -- Hang out in cool zones with custom lighting Join our official group to support development and hang out! https://www.roblox.com/communities/1072846126/Undertale-Perfect-Universe * beta status: expect bugs and balance changes. * don't be toxic, respect other players, and have fun! * erererererer WARNING: This game contains flashing lights and screen effects that may not be suitable for players with photosensitive epilepsy. Got feedback or bugs to report? Drop a Like, Favorite the game, and check the social links below!
Last updated by the developer 7 Sept 2026, 13:29 UTC.
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 We do not publish numbers we have not measured.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 |
|---|---|---|
| 7 Sept 2026, 13:46 | 1 | first reading |
Concurrent players at each of our measurements (insert-on-change).