Are you the developer of [EVENT] Undertale Multiverse Simulator 1.5? Claim it to unlock player history and creator tools.

What is this?Claim your experience →
[EVENT] Undertale Multiverse Simulator 1.5 artwork

[EVENT] Undertale Multiverse Simulator 1.5

[EVENT] Undertale Multiverse Simulator 1.5 has 331 players in game (RBLXDB reading, 05:09 UTC). Its universe ID is 10202515720 and its place ID is 112050560592995. RBLXDB ranks it #1,535 of the 2,844 games we track. It is currently declining — down 69% across our readings since 2026-08-18.

▶ Play [EVENT] Undertale Multiverse Simulator 1.5 now☆ Follow
by SlayerRealNotFake407 playing now2,630,816 visits5,259 favouritesAll
53724h peak
24.4 minAvg session

The last seven days

448Average players
434Typical (median)
9597-day peak
76/100Stability

[EVENT] Undertale Multiverse Simulator 1.5 averaged 448 players an hour over the last seven days, 23% above the same day a week earlier. Its busiest reading was 959 and its typical hour 434 — a gap that wide means the game runs on spikes rather than holding a steady crowd. Stability 76/100 is simply 100 minus how much its player count varied (24%, standard deviation over the mean), across 169 hourly readings since 24 September.

[EVENT] Undertale Multiverse Simulator 1.5 in the RBLXDB database

#1,535RBLXDB rank by players
#1,269in Battlegrounds & Fighting (of 169)
4 moold
2dlast updated
20,083visits per day since launch
2favourites per 1,000 visits

Update activity

10 updates in the 44 days we have watched it · 2026-08-31

Full change history →

Game IDs

Universe ID
10202515720
Place ID
112050560592995

Join a [EVENT] Undertale Multiverse Simulator 1.5 server

Live public servers, straight from Roblox. Tap Join to drop into that exact server — you’ll need to be signed in to Roblox in this browser.

How [EVENT] Undertale Multiverse Simulator 1.5 is doing

88% of players like it2,735 up · 362 down
10 public servers sampled65% full~99 ms median ping

The 10 public servers we sampled were holding 97 players across 150 slots — 65% full. Servers this full fill matches fast but leave less room to land in the same one as a friend.

Player count trend

331 players · 05:00 UTC (latest reading)
05:0005:00

26 hourly readings. Ranged 331 to 537 players — a spread of 62.2%. The axis starts at 306, not zero, so the movement is visible; read the labels rather than the steepness. The line breaks in 1 place where readings are missing — nothing is filled in.

Since 2026-08-18 our snapshots have moved from 1,064 to 331 concurrent players — down 733 (-69%) across 1067 readings taken every six hours.

About [EVENT] Undertale Multiverse Simulator 1.5

This game is continuation of Undertale Multiverse Simulator, game got hacked and after a year its back. Press R on PC to low health yourself Press Z on PC to use Emote Wheel Shiftlock for gamepads: X button

Official [EVENT] Undertale Multiverse Simulator 1.5 links

Straight from the developer’s own experience page — where codes and update news usually land first.

What [EVENT] Undertale Multiverse Simulator 1.5 sells

  • n124,123,744 R$

Every game pass [EVENT] Undertale Multiverse Simulator 1.5 currently has on sale. Roblox takes 30% of each sale, so a 124,123,744 R$ pass leaves the developer about 86,886,620 R$. Work out any price with our Robux tax calculator.

How to get every badge in [EVENT] Undertale Multiverse Simulator 1.5

  • Pesti Sans DefeatedDefeat Pesti Sans to get this badgeMythic · under 0.1%
  • ...Uncommon · 1.4%

Rarest first — the percentage is the share of players who have earned each badge, straight from Roblox. Anything rarer than a tenth of a percent is reported as "under 0.1%", because that is where Roblox stops counting.

[EVENT] Undertale Multiverse Simulator 1.5 questions

How many people play [EVENT] Undertale Multiverse Simulator 1.5?

Right now [EVENT] Undertale Multiverse Simulator 1.5 has 407 players in game, with 2,630,816 total visits all-time. The counter on this page refreshes automatically from the Roblox charts.

What is the game ID for [EVENT] Undertale Multiverse Simulator 1.5?

The universe ID is 10202515720 and the place ID is 112050560592995. The place ID is what joins the game directly; the universe ID is what APIs and tools use.

How do I redeem codes in [EVENT] Undertale Multiverse Simulator 1.5?

Look for a codes, shop or Twitter-bird button in the game's menu, paste a code exactly and confirm. Codes on this page are pulled from the game's own updates and flip to expired automatically when the developer removes them.

Are the badges in [EVENT] Undertale Multiverse Simulator 1.5 still obtainable?

Badge lists come straight from the Roblox API, so everything shown below exists in the game — though some badges are event-locked or retired by the developer. The badge description usually says how to earn it.

[EVENT] Undertale Multiverse Simulator 1.5 player reviews

No player reviews yet. Be the first.

Player reviews load in a moment…

Games like [EVENT] Undertale Multiverse Simulator 1.5

Picked by what these games actually are — the kind of game, the studio behind it and how busy it is — not by Roblox’s genre label.

All games like [EVENT] Undertale Multiverse Simulator 1.5 →

Player counts and badges refresh automatically from the Roblox API. While you are in [EVENT] Undertale Multiverse Simulator 1.5, grab a working music ID for your boombox or browse more trending games.

Rarest badges → · Events calendar → · Live player stats → · Roblox promo codes → · Music IDs for your boombox →