just.rng [MULTIVERSE]

A Roblox experience owned by Just RNG.

SimulatorENUndertaleSansRNG

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

Just.RNG (also known as Just an RNG) is BACK BABYYYY Premium players gains 0.25x lucks at the starts (works in private servers only!) Bug abuse will lead to a seven-day ban. Credits to Leseriouscat for modeling some of the sans. Thanks to ImADankMemeXD for helping the game in its early development! NOTE: IT IS ADVISED TO PLAY ON PRIVATE SERVERS. THEY ARE FREE! Undertale RNG games are expected to be a little chaotic on public servers, and this one is no exception. If you are a new player or would like stable progression, it is wiser to play on private servers with your friends. It's more fun! [Original UT RNG Series credits go for sand_underman3]

Last updated by the developer 9 Aug 2026, 17:28 UTC.

playing (measured 11 Aug 2026, 09:22 UTC)

261,751

lifetime visits

81%

liked (413 👍 / 97 👎)

721

favourites (2.8 per 1k visits)

7 April 2025

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 We do not publish numbers we have not measured.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, 09:22	7	first reading

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

Monetization — game passes

Huge Donation

10,000 R$

Big Donation

1,000 R$

3X Server Luck

300 R$

Sans Limit Expansion

150 R$

2x Faster Spawnrate

150 R$

Small Donation

100 R$

Luck Extender

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

Discover Judgement Hall biome. · progression6,359 · 0.00% win

Discover Doodle Sphere Biome · progression3,410 · 0.00% win

Discover Anti Void Biome · progression2,466 · 0.00% win

Discover Mainframe Biome · progression2,120 · 0.00% win

Discover True Barrier Biome · progression1,186 · 0.00% win

Luck Extender · other835 · 0.00% win

2x Faster Spawnrate · other694 · 0.00% win

Sans Limit Expansion · other252 · 0.00% win

Flame Eye Defeat. · progression229 · 0.00% win

Faster Luck · other176 · 0.00% win

2x Faster Walk Speed · other126 · 0.00% win

Assistance · other63 · 0.00% win

Test Knife · other38 · 0.00% win

Dusttale Last Genocide Hardmode · other0 · 0.00% win

the man.png · other0 · 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.

Like ratio over time

Growth

3 measurements spanning 20 days. Dots are measurements; the straight line between them is drawn to join them, not to claim we know the path taken in between — snapshots are recorded only when a count changes, so gaps mean “no change observed”, never “interpolated”. The vertical axis spans 80–82 and does not start at zero.

Measurement log — every % liked count we have recorded
Measured (UTC)	% liked	Change
4 Sept 2026, 04:22	81	no change
25 Aug 2026, 02:32	81	no change
15 Aug 2026, 02:17	81	first reading

Percentage of votes that are likes, at each of our measurements. A falling line is a game losing its crowd’s goodwill.