[ADDED SWAP PAPS] Undertale: Colliding Realities

A Roblox experience owned by [Nightmare Studios].

Fighting & PvPENUndertaleFightingSwap

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

EPILESPY WARNING!!! DO NOT PLAY IF YOU HAVE EPILEPSY.

Last updated by the developer 2 Jul 2026, 21:36 UTC.

playing (measured 11 Aug 2026, 08:02 UTC)

64,671

lifetime visits

62%

liked (125 👍 / 78 👎)

375

favourites (5.8 per 1k visits)

19 December 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 We do not publish numbers we have not measured.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
11 Aug 2026, 08:02	0	first reading

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

Monetization — game passes

literally nothing

2,000 R$

Horror Donation.

500 R$

GAME OVER.

256 R$

[PRE ORDER] GG!Underfell Sans

180 R$

Don't tell deathslash ;)

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

You Joined The Game! · welcome17,485 · 0.00% win

You Joined! [BETA RELEASE] · welcome3,836 · 0.00% win

Unlocked Promised! Sans. · other1,261 · 0.00% win

Time Paradox Event Beaten! · progression882 · 0.00% win

You've Defeated Aftertale Sans.. · progression798 · 0.00% win

APRIL FOOLS!! · other795 · 0.00% win

You've defeated Bad Time Sans... · progression745 · 0.00% win

Unlocked TOO FAR! Papyrus. · other682 · 0.00% win

Unlocked AfterSwap! Papyrus [UNOBTAINABLE] · other623 · 0.00% win

Unlocked Relic! Sans · collection623 · 0.00% win

Unlocked Little! Insanity · progression333 · 0.00% win

You Unlocked OG! Sans..? · other314 · 0.00% win

You've unlocked Emo! Swap Papyrus [UNOBTAINABLE] · collection205 · 0.00% win

You Unlocked Retro Green Sans! (LIMITED) · collection197 · 0.00% win

You unlocked ERRORSWAP. [UNOBTAINABLE] · collection157 · 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.