Jdb
Jdb is a slot studio. Over the last 30 days we observed 5,365 bets on its games at crypto casinos, $147K wagered, returning 82.90% (95% band 67.50%–98.29%). In the last 30 days 57 of its games had bets; the most played were Piggy Bank, Super Niubi Fortune X-Huge and Fruity Bonanza Combo.
Games seen
57
With bets in 30d
Bets, 30dobserved
5,932
Sampled bets
Wagered, 30dobserved
$164K
A floor: feeds are samples
Observed RTP, 30dobserved
82.90%
±15.4, 95% band over 5,365 bets
Observed RTP by windowall this studio's games together
24h
161.41%±124.6
151 bets—
7d
81.96%±17.9
3,872 bets—
30d
82.90%±15.4
5,365 bets—
90d
82.90%±15.4
5,365 bets—
All
82.90%±15.4
5,365 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: Sat 03:00–04:00 UTC with 549 bets; busiest time of day: 03:00–04:00 UTC; busiest day: Sat. Observed on the public feeds we read, a sample: when people were seen playing, not when anyone should. Hours are UTC.
Games50 by observed wagering, 30d
| # | Game | Bets | Wagered | Paid | Observed RTP | Max mult | Max payout | Casinos |
|---|---|---|---|---|---|---|---|---|
| 1 | Piggy Bank | 1,057 | $91.2K | $134K | — | 200.0x | $6,138 | 1 |
| 2 | Super Niubi Fortune X-Huge | 2,006 | $34.9K | $72.1K | 96.93% | 70.00x | $991 | 1 |
| 3 | Fruity Bonanza Combo | 311 | $8,291 | $9,885 | — | 65.35x | $654 | 1 |
| 4 | Aviator Extra Bet | 248 | $3,063 | $3,222 | — | 21.62x | $183 | 1 |
| 5 | Piggy Bank TapTap | 91 | $2,823 | $6,001 | — | 617.0x | $617 | 1 |
| 6 | Mahjong Wins:Master | 148 | $2,674 | $3,212 | — | 58.80x | $589 | 1 |
| 7 | Mines | 56 | $2,399 | $2,484 | — | 2.30x | $115 | 1 |
| 8 | Pinata BON | 130 | $2,317 | $5,191 | — | 391.7x | $752 | 1 |
| 9 | Koi Trio | 110 | $1,630 | $6,302 | — | 345.2x | $908 | 1 |
| 10 | The Golden Markhor | 33 | $1,513 | $1,446 | — | 20.20x | $130 | 1 |
| 11 | Fruity Bonanza | 35 | $1,417 | $2,201 | — | 12.80x | $512 | 1 |
| 12 | Pop Pop Candy 1000 | 50 | $1,287 | $3,053 | — | 49.00x | $980 | 1 |
| 13 | Magic Ace WILD LOCK | 133 | $1,119 | $5,574 | — | 546.4x | $1,079 | 1 |
| 14 | Caishen Coming | 27 | $1,081 | $1,249 | — | 16.40x | $657 | 1 |
| 15 | Wild Bronco | 789 | $1,049 | $1,811 | — | 110.8x | $494 | 2 |
| 16 | Wealthway | 68 | $966 | $341 | — | 2.73x | $42.04 | 1 |
| 17 | Super Niubi Deluxe | 94 | $951 | $1,944 | — | 18.00x | $1,201 | 1 |
| 18 | Bastet | 29 | $842 | $896 | — | 4.90x | $301 | 1 |
| 19 | Golden Hoof Quest | 15 | $705 | $1,234 | — | 63.80x | $300 | 1 |
| 20 | Mahjong Wins | 35 | $662 | $774 | — | 216.8x | $190 | 1 |
| 21 | Treasure Bowl | 41 | $534 | $4,401 | — | 514.0x | $893 | 1 |
| 22 | Cyber Bounty 4096 | 169 | $426 | $1,014 | — | 21.75x | $435 | 2 |
| 23 | Mines2 | 47 | $340 | $649 | — | 34.49x | $173 | 1 |
| 24 | Super Niubi | 51 | $253 | $1,474 | — | 88.00x | $459 | 1 |
| 25 | Dragon Soar - Hyper Wild | 17 | $199 | $1,162 | — | 61.36x | $221 | 1 |
| 26 | Ragnarok : Thor VS Loki | 7 | $176 | $126 | — | 1.73x | $57.80 | 1 |
| 27 | Big Three Dragons | 10 | $150 | $0 | — | 0.00x | $0 | 1 |
| 28 | Triple King Kong | 19 | $125 | $125 | — | 25.00x | $125 | 1 |
| 29 | Madame Guillotine | 2 | $112 | $207 | — | 3.53x | $197 | 1 |
| 30 | Magic Ace | 16 | $102 | $266 | — | 112.7x | $251 | 1 |
| 31 | Pop Pop Candy | 2 | $100 | $223 | — | 2.42x | $121 | 1 |
| 32 | Running Chicken | 16 | $80.48 | $66.61 | — | 2.07x | $10.97 | 1 |
| 33 | Dragons World | 16 | $76.59 | $255 | — | 102.2x | $230 | 1 |
| 34 | Cyber Bounty WILD LOCK | 10 | $73.70 | $460 | — | 51.20x | $272 | 1 |
| 35 | Mjolnir | 2 | $71.76 | $39.33 | — | 0.79x | $26.71 | 1 |
| 36 | TEEED UP! | 1 | $62.49 | $35.53 | — | 0.57x | $35.53 | 1 |
| 37 | Lucky Elephant X-Huge | 1 | $37.52 | $129 | — | 3.43x | $129 | 1 |
| 38 | Blossom Of Wealth | 1 | $35.80 | $33.36 | — | 0.93x | $33.36 | 1 |
| 39 | Bull Treasure | 1 | $27.89 | $2.23 | — | 0.08x | $2.23 | 1 |
| 40 | Dice | 1 | $19.97 | $0 | — | 0.00x | $0 | 1 |
| 41 | Mayagold Crazy | 7 | $15.62 | $828 | — | 126.6x | $282 | 1 |
| 42 | Money Tree - Hyper Wild | 6 | $12.42 | $183 | — | 306.8x | $175 | 1 |
| 43 | Plinko | 2 | $10.60 | $27.55 | — | 5.00x | $26.49 | 1 |
| 44 | Dragon | 2 | $6.69 | $0 | — | 0.00x | $0 | 1 |
| 45 | Fortune Jewel | 2 | $5.02 | $0 | — | 0.00x | $0 | 1 |
| 46 | Fishin' Fever X-Huge | 1 | $4.70 | $0 | — | 0.00x | $0 | 1 |
| 47 | Kong | 3 | $4.35 | $723 | — | 430.6x | $294 | 1 |
| 48 | Super Super Fruit | 1 | $4.30 | $0 | — | 0.00x | $0 | 1 |
| 49 | Miner Babe | 2 | $4.06 | $162 | — | 161.4x | $162 | 1 |
| 50 | Lucky Seven | 1 | $3.52 | $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 | Super Niubi Fortune X-HugeJdb | 96.93%±16.3 | — | — | 1,751 | $30.1K |
| 2 | Piggy BankJdb | 77.68%±26.4 | — | — | 942 bets · below min | $82.7K |
| 3 | Wild BroncoJdb | 108.45%±62.6 | 96.73% | — | 781 bets · below min | $1,039 |
| 4 | Fruity Bonanza ComboJdb | 63.25%±28.0 | — | — | 292 bets · below min | $7,652 |
| 5 | Aviator Extra BetJdb | 85.61%±21.4 | — | — | 242 bets · below min | $2,894 |
| 6 | Cyber Bounty 4096Jdb | 169.79%±255.1 | 96.36% | — | 167 bets · below min | $323 |
| 7 | Mahjong Wins:MasterJdb | 71.16%±35.0 | — | — | 140 bets · below min | $2,578 |
| 8 | Magic Ace WILD LOCKJdb | 48.52%±34.1 | — | — | 114 bets · below min | $996 |
| 9 | Pinata BONJdb | 72.06%±14.4 | — | — | 111 bets · below min | $2,083 |
| 10 | Super Niubi DeluxeJdb | 92.89%±59.8 | — | — | 93 bets · below min | $801 |
| 11 | Koi TrioJdb | 178.45%±90.8 | — | — | 92 bets · below min | $1,536 |
| 12 | Piggy Bank TapTapJdb | 113.57%±62.6 | — | — | 76 bets · below min | $2,491 |
| 13 | WealthwayJdb | 35.30%±14.6 | — | — | 68 bets · below min | $966 |
| 14 | MinesJdb | 100.86%±25.9 | — | — | 55 bets · below min | $2,349 |
| 15 | Super NiubiJdb | 280.94%±260.8 | — | — | 47 bets · below min | $238 |
| 16 | Mines2Jdb | 59.69%±39.8 | — | — | 44 bets · below min | $318 |
| 17 | Pop Pop Candy 1000Jdb | 61.61%±31.8 | — | — | 43 bets · below min | $1,132 |
| 18 | Mahjong WinsJdb | 63.33%±63.0 | — | — | 33 bets · below min | $660 |
| 19 | Fruity BonanzaJdb | 63.91%±50.8 | — | — | 29 bets · below min | $1,177 |
| 20 | The Golden MarkhorJdb | 72.93%±22.9 | — | — | 29 bets · below min | $1,403 |
| 21 | BastetJdb | 100.77%±84.7 | — | — | 28 bets · below min | $775 |
| 22 | Caishen ComingJdb | 30.63%±37.3 | — | — | 24 bets · below min | $961 |
| 23 | Treasure BowlJdb | 72.86%±44.3 | — | — | 22 bets · below min | $181 |
| 24 | Triple King KongJdb | 0.00%±0.00 | — | — | 18 bets · below min | $120 |
| 25 | Running ChickenJdb | 82.77%±38.5 | — | — | 16 bets · below min | $80.48 |
| 26 | Dragons WorldJdb | 33.00%±47.7 | — | — | 15 bets · below min | $74.33 |
| 27 | Magic AceJdb | 14.93%±25.4 | — | — | 15 bets · below min | $99.68 |
| 28 | Dragon Soar - Hyper WildJdb | 201.51%±264.2 | — | — | 11 bets · below min | $179 |
| 29 | Golden Hoof QuestJdb | 131.50%±115.0 | — | — | 11 bets · below min | $536 |
| 30 | Big Three DragonsJdb | 0.00%±0.00 | — | — | 10 bets · below min | $150 |
| 31 | Cyber Bounty WILD LOCKJdb | 132.96%±92.2 | — | — | 8 bets · below min | $63.70 |
| 32 | Ragnarok : Thor VS LokiJdb | 71.89%±60.1 | — | — | 7 bets · below min | $176 |
| 33 | Money Tree - Hyper WildJdb | 72.73%±131.7 | 96.95% | — | 5 bets · below min | $11.85 |
| 34 | Mayagold CrazyJdb | 0.00%±0.00 | — | — | 3 bets · below min | $6.69 |
| 35 | DragonJdb | 0.00%±0.00 | — | — | 2 bets · below min | $6.69 |
| 36 | Fortune JewelJdb | 0.00%±0.00 | — | — | 2 bets · below min | $5.02 |
| 37 | MjolnirJdb | 54.81%±21.1 | — | — | 2 bets · below min | $71.76 |
| 38 | PlinkoJdb | 260.00%±470.4 | — | — | 2 bets · below min | $10.60 |
| 39 | Pop Pop CandyJdb | 222.03%±38.9 | — | — | 2 bets · below min | $100 |
| 40 | Blossom Of WealthJdb | 93.20%±0.00 | — | — | 1 bets · below min | $35.80 |
| 41 | Book Of MysteryJdb | 50.00%±0.00 | — | — | 1 bets · below min | $2.23 |
| 42 | Bull TreasureJdb | 8.00%±0.00 | — | — | 1 bets · below min | $27.89 |
| 43 | Classic MarioJdb | 200.00%±0.00 | — | — | 1 bets · below min | $2.00 |
| 44 | DiceJdb | 0.00%±0.00 | — | — | 1 bets · below min | $19.97 |
| 45 | Fishin' Fever X-HugeJdb | 0.00%±0.00 | — | — | 1 bets · below min | $4.70 |
| 46 | Golden GoalJdb | 0.00%±0.00 | 96.46% | — | 1 bets · below min | $2.23 |
| 47 | Lucky Elephant X-HugeJdb | 342.67%±0.00 | — | — | 1 bets · below min | $37.52 |
| 48 | Lucky SevenJdb | 0.00%±0.00 | — | — | 1 bets · below min | $3.52 |
| 49 | Madame GuillotineJdb | 17.60%±0.00 | — | — | 1 bets · below min | $55.78 |
| 50 | Miner BabeJdb | 0.00%±0.00 | — | — | 1 bets · below min | $3.06 |
Rows below the minimum sample are shown grey and are never ranked or flagged.