[KILLER] Undertale : Arena
#5,216Falling fastSince Sep 28, 2026
Player count history
Performance analysis
Measured on average concurrent players rather than a single spike, [KILLER] Undertale : Arena is down 7.3% day over day, down 6.6% week over week. Its last-24h average (139) is 38.5% below its 7-day average (226).
[KILLER] Undertale : Arena set its observed peak 3 days ago; its 7-day average is 34% of that peak.
Over the last 8 days, [KILLER] Undertale : Arena was usually busiest in the hour from 00:00 UTC, averaging 2.2Γ its quietest hour.
Player counts by period
| Period | Average | Peak | Change |
|---|---|---|---|
| Last 24 hours | 139 | 213 | βΌ 7.3% |
| Last 7 days | 226 | 656 | βΌ 6.6% |
| Last 30 days | 231 | 656 | β |
| Since Sep 28, 2026 | β | 656 | 10 days tracked |
Growth
| Metric | 24h | 7d | 30d |
|---|---|---|---|
| Visits gained | +9.2K | +107.1K | +129K |
| Favorites gained | +70 | +962 | +1,174 |
| Likes gained | +22 | 82.6% positive overall | |
| Dislikes gained | +2 | 10,834 π Β· 2,286 π | |
| Totals | 4.2M visits Β· 33.4K favorites | ||
Rankings
| Live players | #5,216 Β· Top 25% |
| 24h peak | #4,621 Β· Top 25% |
| Observed peak | #4,905 Β· Top 25% |
| Total visits | #8,577 Β· Top 50% |
| Favorites | #8,657 Β· Top 50% |
| Rating | #7,645 |
| In Action | #364 of 948 |
Records
| Highest recorded CCU | 656 Β· Oct 3, 2026 |
| Best day for visits | +22.1K Β· Oct 3, 2026 |
| 24h low | 63 |
| Avg. session (est.) | 20 min |
| Tracked since | Sep 28, 2026 |
| Days with recorded data | 10 days of history |
Daily breakdown
| Day (UTC) | Avg players | Peak players | Visits gained |
|---|---|---|---|
| Oct 7, 2026 | 118 | 213 | +3.9K |
| Oct 6, 2026 | 142 | 203 | +10K |
| Oct 5, 2026 | 167 | 298 | +11.3K |
| Oct 4, 2026 | 326 | 450 | +21.4K |
| Oct 3, 2026 | 330 | 656 | +22.1K |
| Oct 2, 2026 | 223 | 333 | +14.9K |
| Oct 1, 2026 | 223 | 368 | +15.2K |
| Sep 30, 2026 | 233 | 365 | +15.4K |
| Sep 29, 2026 | 236 | 385 | +14.8K |
Estimated developer earnings
Modeled from average concurrent players, assumed earned Robux per player-hour by genre, and a fixed $0.0038 per earned Robux. These are not reported game earnings. The range is the central model divided and multiplied by three, not a confidence interval; actual earnings may fall outside it. Special DevEx rates, purchases, revenue shares and expenses are not modeled. Not financial data. Model assumption for this game: 1 earned Robux per player-hour. Formula and limitations.
Visits history
Compare [KILLER] Undertale : Arena
Side-by-side player counts, peaks and growth against games of a similar size:
vs Squid Game Speed Clicker
vs Diving Legends
vs [1 ROBUX] Cheap HD Admin Tower
vs Squid Game 2042Frequently asked questions
How many people are playing Undertale : Arena right now?
Undertale : Arena's latest recorded count is 85 concurrent players on Roblox, sampled at 2026-10-07 11:21 UTC. That is 39% below its average over the last 24 hours.
What is Undertale : Arena's highest recorded player count?
RoVitals began tracking Undertale : Arena on September 28, 2026; the highest count sampled since then is 656 on October 3, 2026; earlier peaks and peaks between samples may be higher.
Is Undertale : Arena growing or dying?
Undertale : Arena has declined 6.6% over the past 7 days, averaging 226 concurrent players against 242 the week before.
How many visits does Undertale : Arena have?
Undertale : Arena has been played 4,152,154 times in total, 128,997 of them since RoVitals began tracking it on September 28, 2026.
How much money does Undertale : Arena make?
The RoVitals model puts Undertale : Arena's developer earnings at roughly $4β$38 a day, from its average concurrent players and a genre earnings assumption. Roblox does not publish per-game revenue, and actual earnings can differ several-fold.
Description from Roblox, by Gaem Studios
An undertale fighting game! gain EXP, SOULS, and DT by dusting others! A shop to buy items and other goodies! Roleplay with your friends! Fight powerful foes! Thumbnail art/icon drawn by peanutdry Use code: trynoelle MORE CODES IN GAME! AND OUR COMMUNICATIONS SERVER! TAGS: deltarune, undertale, flowery, kris, frisk, sans, sans undertale, fighting, arena, 1v1s, pve, npcs, asriel, god of hyperdeath, noelle, weird route, angel, roots, snowgrave, iceshock, proceed, egg, mystery man, breadcrumbs theory, game theory
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History since Sep 28, 2026. Data methodology.