[UPDATE] Undertale Multiverse Simulator 1.5

[UPDATE] Undertale Multiverse Simulator 1.5's latest recorded count is 349 concurrent players on Roblox, sampled at 2026-09-22 02:57:10 UTC. Over the last 24 hours in this report it peaked at 467 players and averaged 384.

The highest concurrent player count RoVitals has recorded for [UPDATE] Undertale Multiverse Simulator 1.5 is 1,410, reached on September 12, 2026. Its 7-day peak is 682 and its 30-day peak is 1,410. RoVitals' record begins Aug 11, 2026; earlier or between-sample peaks may be higher.

[UPDATE] Undertale Multiverse Simulator 1.5 has declined 20.5% over the past 7 days, comparing its 470 average concurrent players this week against 591 the week before. In the last 24 hours it gained 22,105 visits and 36 favorites.

[UPDATE] Undertale Multiverse Simulator 1.5 ranks #2,064 out of 21,132 Roblox games tracked by RoVitals by current player count — the top 10% of all tracked games. It ranks #8,299 by total visits and #10,645 by favorites.

[UPDATE] Undertale Multiverse Simulator 1.5 has been played 2,364,930 times in total, and 4,888 players have favorited it. Over the past 30 days it gained 1,014,267 visits.

Using average concurrent players and genre assumptions, RoVitals's model gives a range of $12–$105 per day for [UPDATE] Undertale Multiverse Simulator 1.5. The central model estimate projected over 30 days is $1,051. These are model outputs, not reported earnings or a statistical confidence interval. Roblox does not publish per-game revenue; actual earnings can differ several-fold.