--- title: "Dr Zappo by Hacksaw Gaming: RTP & biggest wins" description: "Dr Zappo by Hacksaw Gaming: observed RTP 123.31% over 2,545 bets in 30 days vs 94.36%–96.34% official. Biggest win $8,273 (36.77x) at Stake.us." url: https://gambatracker.com/slots/dr-zappo rendered: 2026-11-11T16:09Z --- Dr Zappo [Slots](https://gambatracker.com/slots) / Dr Zappo # Dr Zappo · slots [Hacksaw Gaming](https://gambatracker.com/providers/hacksaw-gaming) played on 24 casinos we read official RTP 94.36%–96.34% [Compare](https://gambatracker.com/slots/compare?a=dr-zappo) [24h](https://gambatracker.com/slots/dr-zappo?window=24h) [7d](https://gambatracker.com/slots/dr-zappo?window=7d) [30d](https://gambatracker.com/slots/dr-zappo) [90d](https://gambatracker.com/slots/dr-zappo?window=90d) [All](https://gambatracker.com/slots/dr-zappo?window=all) ## Observed RTP vs official · paid ÷ wagered over the sampled bets, with a 95% band 24h · 66.38% ±39.0 · 150 bets — 7d · 155.51% ±69.0 · 1,712 bets +1.7σ 30d · 123.31% ±43.5 · 2,545 bets +1.2σ 90d · 123.31% ±43.5 · 2,545 bets +1.2σ All · 123.31% ±43.5 · 2,545 bets +1.2σ Per casino, 30d [Housebets](https://gambatracker.com/casinos/housebets) · 996 bets · below min [Rainbet](https://gambatracker.com/casinos/rainbet) · 617 bets · below min [Gamdom](https://gambatracker.com/casinos/gamdom) · 244 bets · below min [Acebet](https://gambatracker.com/casinos/acebet) · 151 bets · below min [Yeet](https://gambatracker.com/casinos/yeet) · 122 bets · below min [Shock](https://gambatracker.com/casinos/shock) · 103 bets · below min [Rollbit](https://gambatracker.com/casinos/rollbit) · 70 bets · below min [Chips](https://gambatracker.com/casinos/chips) · 55 bets · below min [Shuffle](https://gambatracker.com/casinos/shuffle) · 54 bets · below min [500 Casino](https://gambatracker.com/casinos/500-casino) · 29 bets · below min [Duel](https://gambatracker.com/casinos/duel) · 27 bets · below min [CoinCasino](https://gambatracker.com/casinos/coincasino) · 21 bets · below min [BC.Game](https://gambatracker.com/casinos/bcgame) · 15 bets · below min [Goated](https://gambatracker.com/casinos/goated) · 14 bets · below min [Roobet](https://gambatracker.com/casinos/roobet) · 14 bets · below min [Stake](https://gambatracker.com/casinos/stake) · 13 bets · below min -0.5% 222.3% 445.0% The marker is the RTP each casino publishes for this game. An amber bar means that figure is outside the 95% band of what we observed there; grey bars are below the minimum sample. ## This game · all sampled bets - **Bets**: 4,051 - **Wagered**: $103K - **Paid**: $147K - **Max multiplier**: 1,182x - **Max payout**: $8,273 normal +1.7σ Past observed results over 30d: +1.7σ above the official RTP. Every spin is independent. ## Official RTP · as published by the studio and each casino [Hacksaw Gaming](https://gambatracker.com/providers/hacksaw-gaming) hacksawgaming.com 96.00% · 94.00% · 92.00% · 86.00% [Acebet](https://gambatracker.com/casinos/acebet) acebet:slots.houseEdge 96.00% [BetFury](https://gambatracker.com/casinos/betfury) betfury:game.rtp 96.31% [not a studio figure](https://gambatracker.com/figures/betfury) [Chips](https://gambatracker.com/casinos/chips) chips:game.rtp 96.00% [DegenCity](https://gambatracker.com/casinos/degencity) degencity:game.payout 96.31% [not a studio figure](https://gambatracker.com/figures/degencity) [Duel](https://gambatracker.com/casinos/duel) duel:games.rtp 96.34% [not a studio figure](https://gambatracker.com/figures/duel) [Duelbits](https://gambatracker.com/casinos/duelbits) duelbits:games.payout 96.31% [not a studio figure](https://gambatracker.com/figures/duelbits) [Gamba](https://gambatracker.com/casinos/gamba) gamba:games.house\_edge 96.31% [not a studio figure](https://gambatracker.com/figures/gamba) [Gamdom](https://gambatracker.com/casinos/gamdom) gamdom:rtp\_override 96.31% [not a studio figure](https://gambatracker.com/figures/gamdom) [Goated](https://gambatracker.com/casinos/goated) goated:hub88.rtp 96.00% [Housebets](https://gambatracker.com/casinos/housebets) housebets:game.rtp 96.31% [not a studio figure](https://gambatracker.com/figures/housebets) [Metawin](https://gambatracker.com/casinos/metawin) metawin:game.rtp 96.31% [not a studio figure](https://gambatracker.com/figures/metawin) [Qzino](https://gambatracker.com/casinos/qzino) qzino:openSlotPage.rtp 96.31% [not a studio figure](https://gambatracker.com/figures/qzino) [Rainbet](https://gambatracker.com/casinos/rainbet) rainbet:games.payout 96.31% [not a studio figure](https://gambatracker.com/figures/rainbet) [Razed](https://gambatracker.com/casinos/razed) razed:game.rtp 96.31% [not a studio figure](https://gambatracker.com/figures/razed) [Rollbit](https://gambatracker.com/casinos/rollbit) rollbit:static.games 96.31% [not a studio figure](https://gambatracker.com/figures/rollbit) [Shuffle](https://gambatracker.com/casinos/shuffle) shuffle:game.edge 96.31% [not a studio figure](https://gambatracker.com/figures/shuffle) [Spartans](https://gambatracker.com/casinos/spartans) spartans:games.rtp 94.36% [not a studio figure](https://gambatracker.com/figures/spartans) [Stake](https://gambatracker.com/casinos/stake) stake:kurator.edge 96.31% [not a studio figure](https://gambatracker.com/figures/stake) [Stake.us](https://gambatracker.com/casinos/stake-us) stake:kurator.edge 96.31% [not a studio figure](https://gambatracker.com/figures/stake-us) [Thrill](https://gambatracker.com/casinos/thrill) thrill:games-state.rtp 96.31% [not a studio figure](https://gambatracker.com/figures/thrill) [Winna](https://gambatracker.com/casinos/winna) winna:game.rtp 96.31% [not a studio figure](https://gambatracker.com/figures/winna) ## Game facts · from hacksawgaming.com A lines slot with medium volatility and wins up to 10,000× the bet, released in September 2026. - **RTP versions**: 96.00% · 94.00% · 92.00% · 86.00% - **Volatility**: 3/5 (medium) - **Layout**: lines - **Released**: Sep 2026 Max win 10,000x, not hit in the feeds since 2 Nov 2026 - Free spins - Multipliers - Bonus game Demos aren't available in your country. We hide demos where casino links are hidden, and in the UK. From [hacksawgaming.com](https://www.hacksawgaming.com/games/dr-zappo) · read 18h ago [Studio page ↗](https://www.hacksawgaming.com/games/dr-zappo) ## Multiplier distribution · 30d, sampled bets 3,127 sampled spins, 57% of them paid something. - **1 in 21**: sampled spins paid 10x+ - **7 spins**: paid 100x+, too few to put a 1-in-N figure on - **0 spins**: paid 1000x+ in this sample 0 0-1 1-2 2-5 5-10 10-50 50-100 100-1000 1000+ - **Studio volatility**: 3/5 (medium) - **Observed swings**: Compared once a slot has 20,000 sampled spins staked $0.10 or more in this window; this one has 2,849. From 3,127 sampled spins; a small sample swings a lot, and every spin is independent. Bar height is square-root scaled so the rare high buckets stay visible. Hover a bar for the count. ## Where it is played · 30d, share of sampled wagering [Rollbit](https://gambatracker.com/casinos/rollbit) $5,464 70 bets · 24% [Gamdom](https://gambatracker.com/casinos/gamdom) $5,161 244 bets · 22% [Housebets](https://gambatracker.com/casinos/housebets) $2,997 996 bets · 13% [Rainbet](https://gambatracker.com/casinos/rainbet) $2,601 617 bets · 11% [Shuffle](https://gambatracker.com/casinos/shuffle) $1,852 54 bets · 8% [Roobet](https://gambatracker.com/casinos/roobet) $1,774 14 bets · 8% [Acebet](https://gambatracker.com/casinos/acebet) $852 151 bets · 4% [Goated](https://gambatracker.com/casinos/goated) $537 14 bets · 2% [Stake](https://gambatracker.com/casinos/stake) $517 13 bets · 2% [BC.Game](https://gambatracker.com/casinos/bcgame) $463 15 bets · 2% [Chips](https://gambatracker.com/casinos/chips) $270 55 bets · 1% [Shock](https://gambatracker.com/casinos/shock) $250 103 bets · 1% [Yeet](https://gambatracker.com/casinos/yeet) $138 122 bets · 1% [Duel](https://gambatracker.com/casinos/duel) $41.32 27 bets · 0% [500 Casino](https://gambatracker.com/casinos/500-casino) $29.86 29 bets · 0% [CoinCasino](https://gambatracker.com/casinos/coincasino) $15.02 21 bets · 0% ## When players play · 30d · sampled bets by UTC hour and weekday, since 2 Nov 2026 Mon Mon 00:00–01:00 UTC: 0 bets, $0 wagered Mon 01:00–02:00 UTC: 1 bets, $0.13 wagered Mon 02:00–03:00 UTC: 17 bets, $8.55 wagered Mon 03:00–04:00 UTC: 4 bets, $1.50 wagered Mon 04:00–05:00 UTC: 1 bets, $0.30 wagered Mon 05:00–06:00 UTC: 27 bets, $259 wagered Mon 06:00–07:00 UTC: 33 bets, $41.68 wagered Mon 07:00–08:00 UTC: 13 bets, $56.16 wagered Mon 08:00–09:00 UTC: 4 bets, $71.22 wagered Mon 09:00–10:00 UTC: 0 bets, $0 wagered Mon 10:00–11:00 UTC: 12 bets, $16.44 wagered Mon 11:00–12:00 UTC: 10 bets, $6.50 wagered Mon 12:00–13:00 UTC: 38 bets, $30.18 wagered Mon 13:00–14:00 UTC: 13 bets, $190 wagered Mon 14:00–15:00 UTC: 5 bets, $7.03 wagered Mon 15:00–16:00 UTC: 13 bets, $408 wagered Mon 16:00–17:00 UTC: 10 bets, $27.83 wagered Mon 17:00–18:00 UTC: 47 bets, $73.76 wagered Mon 18:00–19:00 UTC: 31 bets, $2,339 wagered Mon 19:00–20:00 UTC: 45 bets, $86.92 wagered Mon 20:00–21:00 UTC: 46 bets, $166 wagered Mon 21:00–22:00 UTC: 43 bets, $452 wagered Mon 22:00–23:00 UTC: 42 bets, $473 wagered Mon 23:00–00:00 UTC: 31 bets, $330 wagered Tue Tue 00:00–01:00 UTC: 18 bets, $1,735 wagered Tue 01:00–02:00 UTC: 44 bets, $430 wagered Tue 02:00–03:00 UTC: 50 bets, $1,183 wagered Tue 03:00–04:00 UTC: 15 bets, $184 wagered Tue 04:00–05:00 UTC: 65 bets, $911 wagered Tue 05:00–06:00 UTC: 7 bets, $361 wagered Tue 06:00–07:00 UTC: 21 bets, $498 wagered Tue 07:00–08:00 UTC: 29 bets, $614 wagered Tue 08:00–09:00 UTC: 42 bets, $1,522 wagered Tue 09:00–10:00 UTC: 9 bets, $82.40 wagered Tue 10:00–11:00 UTC: 19 bets, $77.84 wagered Tue 11:00–12:00 UTC: 24 bets, $64.47 wagered Tue 12:00–13:00 UTC: 71 bets, $4,761 wagered Tue 13:00–14:00 UTC: 19 bets, $132 wagered Tue 14:00–15:00 UTC: 49 bets, $3,504 wagered Tue 15:00–16:00 UTC: 15 bets, $391 wagered Tue 16:00–17:00 UTC: 26 bets, $118 wagered Tue 17:00–18:00 UTC: 41 bets, $223 wagered Tue 18:00–19:00 UTC: 81 bets, $1,372 wagered Tue 19:00–20:00 UTC: 58 bets, $286 wagered Tue 20:00–21:00 UTC: 24 bets, $1,321 wagered Tue 21:00–22:00 UTC: 152 bets, $73.00 wagered Tue 22:00–23:00 UTC: 121 bets, $178 wagered Tue 23:00–00:00 UTC: 16 bets, $41.88 wagered Wed Wed 00:00–01:00 UTC: 22 bets, $252 wagered Wed 01:00–02:00 UTC: 76 bets, $260 wagered Wed 02:00–03:00 UTC: 49 bets, $5,429 wagered Wed 03:00–04:00 UTC: 6 bets, $63.13 wagered Wed 04:00–05:00 UTC: 20 bets, $46.95 wagered Wed 05:00–06:00 UTC: 23 bets, $373 wagered Wed 06:00–07:00 UTC: 34 bets, $4,631 wagered Wed 07:00–08:00 UTC: 8 bets, $16.85 wagered Wed 08:00–09:00 UTC: 10 bets, $6.87 wagered Wed 09:00–10:00 UTC: 3 bets, $21.20 wagered Wed 10:00–11:00 UTC: 38 bets, $1,800 wagered Wed 11:00–12:00 UTC: 19 bets, $335 wagered Wed 12:00–13:00 UTC: 40 bets, $1,886 wagered Wed 13:00–14:00 UTC: 21 bets, $213 wagered Wed 14:00–15:00 UTC: 82 bets, $182 wagered Wed 15:00–16:00 UTC: 26 bets, $54.03 wagered Wed 16:00–17:00 UTC: 38 bets, $1,930 wagered Wed 17:00–18:00 UTC: 25 bets, $730 wagered Wed 18:00–19:00 UTC: 21 bets, $183 wagered Wed 19:00–20:00 UTC: 11 bets, $370 wagered Wed 20:00–21:00 UTC: 22 bets, $116 wagered Wed 21:00–22:00 UTC: 11 bets, $261 wagered Wed 22:00–23:00 UTC: 32 bets, $811 wagered Wed 23:00–00:00 UTC: 8 bets, $96.46 wagered Thu Thu 00:00–01:00 UTC: 8 bets, $255 wagered Thu 01:00–02:00 UTC: 14 bets, $13.38 wagered Thu 02:00–03:00 UTC: 6 bets, $93.83 wagered Thu 03:00–04:00 UTC: 7 bets, $31.48 wagered Thu 04:00–05:00 UTC: 34 bets, $5.50 wagered Thu 05:00–06:00 UTC: 2 bets, $80.43 wagered Thu 06:00–07:00 UTC: 29 bets, $2,256 wagered Thu 07:00–08:00 UTC: 50 bets, $936 wagered Thu 08:00–09:00 UTC: 4 bets, $13.98 wagered Thu 09:00–10:00 UTC: 29 bets, $4,648 wagered Thu 10:00–11:00 UTC: 2 bets, $3.90 wagered Thu 11:00–12:00 UTC: 53 bets, $76.92 wagered Thu 12:00–13:00 UTC: 32 bets, $306 wagered Thu 13:00–14:00 UTC: 2 bets, $2.00 wagered Thu 14:00–15:00 UTC: 64 bets, $376 wagered Thu 15:00–16:00 UTC: 30 bets, $32.97 wagered Thu 16:00–17:00 UTC: 13 bets, $28.36 wagered Thu 17:00–18:00 UTC: 6 bets, $168 wagered Thu 18:00–19:00 UTC: 26 bets, $509 wagered Thu 19:00–20:00 UTC: 1 bets, $20.00 wagered Thu 20:00–21:00 UTC: 6 bets, $9.98 wagered Thu 21:00–22:00 UTC: 21 bets, $94.09 wagered Thu 22:00–23:00 UTC: 9 bets, $1.64 wagered Thu 23:00–00:00 UTC: 1 bets, $40.00 wagered Fri Fri 00:00–01:00 UTC: 18 bets, $5.67 wagered Fri 01:00–02:00 UTC: 16 bets, $15.48 wagered Fri 02:00–03:00 UTC: 16 bets, $344 wagered Fri 03:00–04:00 UTC: 20 bets, $949 wagered Fri 04:00–05:00 UTC: 9 bets, $383 wagered Fri 05:00–06:00 UTC: 15 bets, $30.29 wagered Fri 06:00–07:00 UTC: 7 bets, $80.67 wagered Fri 07:00–08:00 UTC: 21 bets, $38.43 wagered Fri 08:00–09:00 UTC: 4 bets, $2.61 wagered Fri 09:00–10:00 UTC: 12 bets, $16.28 wagered Fri 10:00–11:00 UTC: 6 bets, $4.67 wagered Fri 11:00–12:00 UTC: 9 bets, $569 wagered Fri 12:00–13:00 UTC: 8 bets, $72.08 wagered Fri 13:00–14:00 UTC: 5 bets, $80.30 wagered Fri 14:00–15:00 UTC: 22 bets, $62.41 wagered Fri 15:00–16:00 UTC: 106 bets, $151 wagered Fri 16:00–17:00 UTC: 88 bets, $661 wagered Fri 17:00–18:00 UTC: 6 bets, $189 wagered Fri 18:00–19:00 UTC: 1 bets, $1.20 wagered Fri 19:00–20:00 UTC: 24 bets, $1,034 wagered Fri 20:00–21:00 UTC: 21 bets, $1,277 wagered Fri 21:00–22:00 UTC: 20 bets, $105 wagered Fri 22:00–23:00 UTC: 101 bets, $32.3K wagered Fri 23:00–00:00 UTC: 69 bets, $70.83 wagered Sat Sat 00:00–01:00 UTC: 28 bets, $234 wagered Sat 01:00–02:00 UTC: 10 bets, $74.99 wagered Sat 02:00–03:00 UTC: 1 bets, $1.28 wagered Sat 03:00–04:00 UTC: 15 bets, $29.57 wagered Sat 04:00–05:00 UTC: 7 bets, $4.20 wagered Sat 05:00–06:00 UTC: 22 bets, $1,258 wagered Sat 06:00–07:00 UTC: 116 bets, $1,194 wagered Sat 07:00–08:00 UTC: 11 bets, $121 wagered Sat 08:00–09:00 UTC: 7 bets, $12.70 wagered Sat 09:00–10:00 UTC: 1 bets, $1.20 wagered Sat 10:00–11:00 UTC: 7 bets, $11.87 wagered Sat 11:00–12:00 UTC: 1 bets, $0.60 wagered Sat 12:00–13:00 UTC: 6 bets, $46.55 wagered Sat 13:00–14:00 UTC: 41 bets, $43.25 wagered Sat 14:00–15:00 UTC: 7 bets, $4.80 wagered Sat 15:00–16:00 UTC: 31 bets, $313 wagered Sat 16:00–17:00 UTC: 11 bets, $24.81 wagered Sat 17:00–18:00 UTC: 21 bets, $31.50 wagered Sat 18:00–19:00 UTC: 8 bets, $7.49 wagered Sat 19:00–20:00 UTC: 9 bets, $1,079 wagered Sat 20:00–21:00 UTC: 12 bets, $210 wagered Sat 21:00–22:00 UTC: 6 bets, $6.17 wagered Sat 22:00–23:00 UTC: 7 bets, $29.67 wagered Sat 23:00–00:00 UTC: 8 bets, $2.98 wagered Sun Sun 00:00–01:00 UTC: 18 bets, $26.44 wagered Sun 01:00–02:00 UTC: 5 bets, $2.24 wagered Sun 02:00–03:00 UTC: 7 bets, $48.51 wagered Sun 03:00–04:00 UTC: 17 bets, $202 wagered Sun 04:00–05:00 UTC: 12 bets, $227 wagered Sun 05:00–06:00 UTC: 15 bets, $30.81 wagered Sun 06:00–07:00 UTC: 6 bets, $41.75 wagered Sun 07:00–08:00 UTC: 1 bets, $10.00 wagered Sun 08:00–09:00 UTC: 12 bets, $690 wagered Sun 09:00–10:00 UTC: 10 bets, $1,547 wagered Sun 10:00–11:00 UTC: 1 bets, $1.20 wagered Sun 11:00–12:00 UTC: 3 bets, $1.85 wagered Sun 12:00–13:00 UTC: 5 bets, $5.81 wagered Sun 13:00–14:00 UTC: 2 bets, $30.00 wagered Sun 14:00–15:00 UTC: 148 bets, $380 wagered Sun 15:00–16:00 UTC: 40 bets, $432 wagered Sun 16:00–17:00 UTC: 8 bets, $126 wagered Sun 17:00–18:00 UTC: 19 bets, $66.36 wagered Sun 18:00–19:00 UTC: 5 bets, $6.55 wagered Sun 19:00–20:00 UTC: 14 bets, $44.00 wagered Sun 20:00–21:00 UTC: 4 bets, $53.05 wagered Sun 21:00–22:00 UTC: 35 bets, $87.36 wagered Sun 22:00–23:00 UTC: 42 bets, $108 wagered Sun 23:00–00:00 UTC: 9 bets, $45.96 wagered by hour Busiest hour: Tue 21:00–22:00 UTC with 152 bets; busiest time of day: 14:00–15:00 UTC; busiest day: Tue. Observed on the public feeds we read, a sample: when people were seen playing, not when anyone should. Hours are UTC. ## Biggest hits · largest payouts we saw on this game [Stake.us](https://gambatracker.com/casinos/stake-us) [Dr Zappo Hacksaw Gaming](https://gambatracker.com/slots/dr-zappo) Hidden $225 225 SWEEPS $8,273 edge 3.7% · exp. −$8.30 36.77x 2026-11-06 04:03 UTC [Gamdom](https://gambatracker.com/casinos/gamdom) [Dr Zappo Hacksaw Gaming](https://gambatracker.com/slots/dr-zappo) [Ludvig 45](https://gambatracker.com/players/gamdom/Ludvig%2045) $200 200 USD $3,553 edge 3.7% · exp. −$7.38 17.77x 2026-11-10 14:20 UTC [Gamdom](https://gambatracker.com/casinos/gamdom) [Dr Zappo Hacksaw Gaming](https://gambatracker.com/slots/dr-zappo) [TheGambler1999](https://gambatracker.com/players/gamdom/TheGambler1999) $150 150 USD $3,530 edge 3.7% · exp. −$5.54 23.53x 2026-11-06 17:13 UTC [Rainbet](https://gambatracker.com/casinos/rainbet) [Dr Zappo Hacksaw Gaming](https://gambatracker.com/slots/dr-zappo) [slot...](https://gambatracker.com/players/rainbet/slot...) $559 500 EUR $3,505 edge 3.7% · exp. −$20.63 6.27x 2026-11-06 22:25 UTC [Stake.us](https://gambatracker.com/casinos/stake-us) [Dr Zappo Hacksaw Gaming](https://gambatracker.com/slots/dr-zappo) Hidden $6.00 6 SWEEPS $2,984 edge 3.7% · exp. −$0.22 497.3x 2026-11-03 22:02 UTC [Stake.us](https://gambatracker.com/casinos/stake-us) [Dr Zappo Hacksaw Gaming](https://gambatracker.com/slots/dr-zappo) Hidden $300 300 SWEEPS $2,820 edge 3.7% · exp. −$11.07 9.40x 2026-11-02 18:49 UTC [Stake.us](https://gambatracker.com/casinos/stake-us) [Dr Zappo Hacksaw Gaming](https://gambatracker.com/slots/dr-zappo) Hidden $150 150 SWEEPS $2,360 edge 3.7% · exp. −$5.54 15.73x 2026-11-06 03:55 UTC [Stake.us](https://gambatracker.com/casinos/stake-us) [Dr Zappo Hacksaw Gaming](https://gambatracker.com/slots/dr-zappo) Hidden $150 150 SWEEPS $2,310 edge 3.7% · exp. −$5.54 15.40x 2026-11-06 04:01 UTC [Stake.us](https://gambatracker.com/casinos/stake-us) [Dr Zappo Hacksaw Gaming](https://gambatracker.com/slots/dr-zappo) Hidden $225 225 SWEEPS $1,800 edge 3.7% · exp. −$8.30 8.00x 2026-11-02 18:47 UTC [Rainbet](https://gambatracker.com/casinos/rainbet) [Dr Zappo Hacksaw Gaming](https://gambatracker.com/slots/dr-zappo) [ball...](https://gambatracker.com/players/rainbet/ball...) $300 300 USD $1,690 edge 3.7% · exp. −$11.07 5.63x 2026-11-10 20:03 UTC ## Live RTP by casino · 30d, refreshes on reload [24h](https://gambatracker.com/slots/dr-zappo?window=24h) [7d](https://gambatracker.com/slots/dr-zappo?window=7d) [30d](https://gambatracker.com/slots/dr-zappo) [90d](https://gambatracker.com/slots/dr-zappo?window=90d) [All](https://gambatracker.com/slots/dr-zappo?window=all) | # | Casino | Observed RTP | Official | Dev. | Bets | Wagered | | --- | --- | --- | --- | --- | --- | --- | | 1 | [Housebets](https://gambatracker.com/casinos/housebets) | 98.02% ±42.4 | 96.31% | — | 996 bets · below min | $2,997 | | 2 | [Rainbet](https://gambatracker.com/casinos/rainbet) | 50.73% ±28.2 | 96.31% | — | 617 bets · below min | $2,601 | | 3 | [Gamdom](https://gambatracker.com/casinos/gamdom) | 267.36% ±177.2 | 96.31% | — | 244 bets · below min | $5,161 | | 4 | [Acebet](https://gambatracker.com/casinos/acebet) | 96.93% ±30.4 | 96.00% | — | 151 bets · below min | $852 | | 5 | [Yeet](https://gambatracker.com/casinos/yeet) | 132.76% ±60.1 | — | — | 122 bets · below min | $138 | | 6 | [Shock](https://gambatracker.com/casinos/shock) | 116.19% ±80.6 | — | — | 103 bets · below min | $250 | | 7 | [Rollbit](https://gambatracker.com/casinos/rollbit) | 62.00% ±26.3 | 96.31% | — | 70 bets · below min | $5,464 | | 8 | [Chips](https://gambatracker.com/casinos/chips) | 92.19% ±72.5 | 96.00% | — | 55 bets · below min | $270 | | 9 | [Shuffle](https://gambatracker.com/casinos/shuffle) | 104.91% ±60.5 | 96.31% | — | 54 bets · below min | $1,852 | | 10 | [500 Casino](https://gambatracker.com/casinos/500-casino) | 77.46% ±78.7 | — | — | 29 bets · below min | $29.86 | | 11 | [Duel](https://gambatracker.com/casinos/duel) | 34.09% ±61.5 | 96.34% | — | 27 bets · below min | $41.32 | | 12 | [CoinCasino](https://gambatracker.com/casinos/coincasino) | 129.39% ±47.7 | — | — | 21 bets · below min | $15.02 | | 13 | [BC.Game](https://gambatracker.com/casinos/bcgame) | 102.56% ±54.7 | — | — | 15 bets · below min | $463 | | 14 | [Goated](https://gambatracker.com/casinos/goated) | 80.42% ±21.1 | 96.00% | — | 14 bets · below min | $537 | | 15 | [Roobet](https://gambatracker.com/casinos/roobet) | 78.50% ±17.1 | — | — | 14 bets · below min | $1,774 | | 16 | [Stake](https://gambatracker.com/casinos/stake) | 198.01% ±97.0 | 96.31% | — | 13 bets · below min | $517 | ## About Dr Zappo · from the figures on this page Dr Zappo is a Hacksaw Gaming slot. Over the last 30 days we observed 2,545 bets on it at 24 crypto casinos, returning 123.31% (95% band 79.84%–166.78%) against an official RTP of 94.36%–96.34%. Its highest multiplier in the last 30 days was 1,182x. The biggest win we saw on it paid $8,273 (36.77x) at Stake.us on 6 Nov 2026. Over the last 30 days it was played most, by wager, at Rollbit, Gamdom and Housebets. ## More from Hacksaw Gaming · 30 days, by observed wagering [Studio →](https://gambatracker.com/providers/hacksaw-gaming) [Wanted Dead or a Wild](https://gambatracker.com/slots/wanted-dead-or-a-wild) 97.86% [The Luxe](https://gambatracker.com/slots/the-luxe) Low–medium vol. Demo 100.19% [Wanted Boosted](https://gambatracker.com/slots/wanted-boosted) 74.14% [Le Vampire](https://gambatracker.com/slots/le-vampire) Medium vol. Demo 86.41% [Dork Unit](https://gambatracker.com/slots/dork-unit) Medium vol. Demo 122.01% [Shadows Inc](https://gambatracker.com/slots/shadows-inc) $9.64M [Duel at Dawn](https://gambatracker.com/slots/duel-at-dawn-hacksaw-gaming) Medium–high vol. Demo 99.09% [Le Clubber](https://gambatracker.com/slots/le-clubber) Medium vol. Demo 110.31% Compare with - [Wanted Dead or a Wild](https://gambatracker.com/slots/compare/dr-zappo-vs-wanted-dead-or-a-wild) - [The Luxe](https://gambatracker.com/slots/compare/dr-zappo-vs-the-luxe) - [Wanted Boosted](https://gambatracker.com/slots/compare/dr-zappo-vs-wanted-boosted) - [Le Vampire](https://gambatracker.com/slots/compare/dr-zappo-vs-le-vampire) 18+ **These are past, observed results.** Every spin and round is independent: a hot or cold streak says nothing about what happens next, and no figure on this site improves anyone's odds. Gambling can be harmful. [BeGambleAware](https://www.begambleaware.org/) [Gamblers Anonymous](https://www.gamblersanonymous.org/) [Help & limits](https://gambatracker.com/responsible-gambling) How these figures are produced and labelled: https://gambatracker.com/llms.txt