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[✨Update 4.3✨] UnderFell Aus Ops

[✨Update 4.3✨] UnderFell Aus Ops

A Roblox experience owned by Kayoko Projects.

RoleplayENUndertale AUBoss RushAction RPG

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

210k Visits Event Next Event in ???k Visits Game Inspired By: • Undertale Soul Ops • UT: Infinite Soul Ops Legacy • UT: Infinite Soul Ops Redux • Totally Balanced Soul Ops Boss Rush • Soul Ops AU Destroyer Reborn Credits: Kayoko

Last updated by the developer 11 Aug 2026, 14:10 UTC.

22
playing (measured 11 Aug 2026, 16:48 UTC)
264,260
lifetime visits
78%
liked (477 👍 / 136 👎)
608
favourites (2.3 per 1k visits)
27 April 2026
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 We do not publish numbers we have not measured.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)PlayersChange
11 Aug 2026, 16:4817first reading

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

Monetization — game passes

Fell Mirrored Insanity
680 R$
Red Screen Sans
550 R$
X-Fell Pack
475 R$
RevertDustFell Sans
190 R$
UnderFell Final Breath
100 R$

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

Badge funnel

Welcome · welcome14,365
Fell Sans Deafeted · progression9,945
KillerFell Sans Deafeted · progression9,462
DustFell Sans Deafeted · progression9,333
HorrorFell Sans Deafeted · progression9,247
InsanityFell Sans Deafeted · progression9,059
Fell Murder Time Trio Deafeted · progression8,215
NightmareFell Sans Deafeted · progression7,804
ErrorFell Sans Deafeted · progression7,335
Alpha Player · other6,622
InkFell Sans Deafeted · progression6,612
ReaperFell Sans Deafeted · progression6,193
Fell Murder Time Trio Phase 2 · progression6,113
DustDustFell Deafeted · progression5,481
Fell Murder Time Trio Phase 3 Deafeted · progression5,070

How many players have ever earned each badge — a proxy for how far players get before they stop. Steep drop-offs mark where a game loses people. Win rate is the past-day share of players who earned it; categories are assigned by a language model from each badge’s own name and description.

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