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UNDERTALE: Week OPs

UNDERTALE: Week OPs

A Roblox experience owned by 168 gaming.

RacingENUndertaleBoss RushFangame

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

A Soul OPs fangame made in ONE WEEK! 💖😁 Game icon, banner, Error sprite and badge icons by YelowWithAnExtraL 💪 LT = shiftlock (Xbox) ⚔️Defeat a variety of different bosses and tier up to obtain new better and stronger characters! 💗 ! PC/Mobile/Console supportive ! 💻📱🎮 Tags: Dust Wawa, Soul OPs Boss Rush Extended

Last updated by the developer 28 Nov 2025, 10:16 UTC.

0
playing (measured 11 Aug 2026, 21:20 UTC)
44,500
lifetime visits
83%
liked (241 👍 / 49 👎)
449
favourites (10.1 per 1k visits)
10 August 2023
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 We do not publish numbers we have not measured.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, 21:200first reading

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

Monetization — game passes

Ch1kn's Insanity!Sans
300 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

Fell!Sans defeated... · progression7,211 · 80.0% win
Outer!Sans defeated... · progression7,045 · 80.0% win
After!Sans defeated... · progression6,459 · 0.00% win
Fresh!Sans defeated... · progression6,393 · 0.00% win
Horror!Sans defeated... · progression6,015 · 0.00% win
Killer!Sans defeated... · progression4,608 · 0.00% win
Nightmare!Sans defeated... · progression2,601 · 0.00% win
ERROR DEFEATED... · progression700 · 0.00% win

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.