Harmonica
Harmonica is a slot studio. Over the last 30 days we observed 22 bets on its games at crypto casinos, $3,508 wagered. In the last 30 days 5 of its games had bets; the most played were Hoop Stars, Monday Again and Requiem Arena.
Games seen
5
With bets in 30d
Bets, 30dobserved
68
Sampled bets
Wagered, 30dobserved
$8,658
A floor: feeds are samples
Observed RTP, 30dobserved
125.14%
±122.6, 95% band over 22 bets
From the studiostudio.engine.io
- Studio games matched
- 5 of 5 listed
- Free demos
- 5 (opens on the studio's site)
- Checked
- 10h ago
Releases5 games with a studio date
Per month, last 12 months
DecJanFebMarAprMayJunJulAugSepOctNov
Latest newest first
| Studio release date | Game | First seen at a casino | Casinos had it | Casinos now |
|---|---|---|---|---|
| 3 days ago | Monday AgainDemo | before tracking began | — | 2 |
| 4 days ago | Hoop StarsDemo | before tracking began | — | 2 |
| 16 days ago | Requiem ArenaDemo | before tracking began | — | 2 |
| 16 days ago | Corgi PrecinctDemo | before tracking began | — | 2 |
| 29 days ago | Jackpot FrenzyDemo | before tracking began | — | 1 |
Studio release date is the date the studio's own site gives, which can be wrong. The counts are of the games in our catalog, not of everything the studio has made; first seen and the lag exist only for games the new slot radar caught.
Observed RTP by windowall this studio's games together
24h
0.00%±0.00
1 bets—
7d
125.14%±122.6
22 bets—
30d
125.14%±122.6
22 bets—
90d
125.14%±122.6
22 bets—
All
125.14%±122.6
22 bets—
Deviation is measured against the wagering-weighted official RTP of the games in the sample. Short windows carry wide bands; read the longer cells first.
When players play30d · sampled bets by UTC hour and weekday, since 2 Nov 2026
MonTueWedThuFriSatSun
by hour
Busiest hour: Mon 04:00–05:00 UTC with 14 bets; busiest time of day: 04:00–05:00 UTC; busiest day: Mon. Observed on the public feeds we read, a sample: when people were seen playing, not when anyone should. Hours are UTC.
Games5 by observed wagering, 30d
| # | Game | Bets | Wagered | Paid | Observed RTP | Max mult | Max payout | Casinos |
|---|---|---|---|---|---|---|---|---|
| 1 | Hoop StarsVery high vol.Demo | 32 | $6,054 | $24.6K | — | 25.30x | $5,375 | 2 |
| 2 | Monday AgainVery high vol.Demo | 32 | $2,555 | $24.5K | — | 420.2x | $4,369 | 2 |
| 3 | Requiem ArenaVery high vol.Demo | 2 | $32.03 | $8.63 | — | 3.00x | $6.00 | 2 |
| 4 | Corgi PrecinctVery high vol.Demo | 1 | $16.00 | $7,792 | — | 487.0x | $7,792 | 1 |
| 5 | Jackpot FrenzyVery high vol.Demo | 1 | $0.92 | $0 | — | 0.00x | $0 | 1 |
Volatility and the Demo tag are what the studio publishes on its own site, not something we measured.
Observed RTP per game, 30dband, official figure and deviation, refreshes on reload
| # | Game | Observed RTP | Official | Dev. | Bets | Wagered |
|---|---|---|---|---|---|---|
| 1 | Hoop StarsHarmonica | 62.66%±37.3 | 96.70% | — | 11 bets · below min | $2,523 |
| 2 | Monday AgainHarmonica | 294.11%±437.9 | 96.70% | — | 9 bets · below min | $954 |
| 3 | Jackpot FrenzyHarmonica | 0.00%±0.00 | — | — | 1 bets · below min | $0.92 |
| 4 | Requiem ArenaHarmonica | 8.77%±0.00 | 96.70% | — | 1 bets · below min | $30.03 |
Rows below the minimum sample are shown grey and are never ranked or flagged.