(NEW) Undertale Ultimate

A Roblox experience owned by Bizarro Studios.

RacingENUndertaleMMORPGOpen World

Description (written by the developer; not a statement by this register)

A MMORPG based in an alternate universe of the hit RPG game Undertale! Join your friends in an awesome adventure to return to the surface, using whatever force necessary! Earn XP and Gold as you face stronger opponents in this amazing OPEN WORLD Experience!

Last updated by the developer 6 Jan 2026, 22:07 UTC.

playing (measured 10 Aug 2026, 18:16 UTC)

89,937

lifetime visits

85%

liked (830 👍 / 142 👎)

1,463

favourites (16.3 per 1k visits)

27 February 2022

created (per Roblox)

Play on 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 We do not publish numbers we have not measured.

Measurement log — every players count we have recorded
Measured (UTC)	Players	Change
10 Aug 2026, 18:16	0	first reading

Concurrent players at each of our measurements (insert-on-change).

Monetization — game passes

Extra Inventory Space

200 R$

Game passes for sale and their prices, measured from the Roblox passes API. Developer products bought inside the game aren’t publicly listable.