Dr Zappo

Dr Zapposlots

Hacksaw Gamingplayed on 24 casinos we readofficial RTP 94.36%–96.34%

Observed RTP vs officialpaid ÷ wagered over the sampled bets, with a 95% band

24h
68.81%±37.7
161 bets—
7d
148.67%±63.6
1,746 bets+1.6σ
30d
123.77%±44.0
2,533 bets+1.2σ
90d
123.77%±44.0
2,533 bets+1.2σ
All
123.77%±44.0
2,533 bets+1.2σ
Per casino, 30d
996 bets · below min
609 bets · below min
241 bets · below min
151 bets · below min
122 bets · below min
103 bets · below min
70 bets · below min
55 bets · below min
53 bets · below min
29 bets · below min
27 bets · below min
21 bets · below min
15 bets · below min
14 bets · below min
14 bets · below min
13 bets · below min
-0.5%222.8%446.0%
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 gameall sampled bets

Bets
4,037
Wagered
$102K
Paid
$146K
Max multiplier
1,182x
Max payout
$8,273
normal+1.6σPast observed results over 30d: +1.6σ above the official RTP. Every spin is independent.

Official RTPas published by the studio and each casino

Hacksaw Gaminghacksawgaming.com96.00% · 94.00% · 92.00% · 86.00%
Acebetacebet:slots.houseEdge96.00%
BetFurybetfury:game.rtp96.31%not a studio figure
Chipschips:game.rtp96.00%
DegenCitydegencity:game.payout96.31%not a studio figure
Duelduel:games.rtp96.34%not a studio figure
Duelbitsduelbits:games.payout96.31%not a studio figure
Gambagamba:games.house_edge96.31%not a studio figure
Gamdomgamdom:rtp_override96.31%not a studio figure
Goatedgoated:hub88.rtp96.00%
Housebetshousebets:game.rtp96.31%not a studio figure
Metawinmetawin:game.rtp96.31%not a studio figure
Qzinoqzino:openSlotPage.rtp96.31%not a studio figure
Rainbetrainbet:games.payout96.31%not a studio figure
Razedrazed:game.rtp96.31%not a studio figure
Rollbitrollbit:static.games96.31%not a studio figure
Shuffleshuffle:game.edge96.31%not a studio figure
Spartansspartans:games.rtp94.36%not a studio figure
Stakestake:kurator.edge96.31%not a studio figure
Stake.usstake:kurator.edge96.31%not a studio figure
Thrillthrill:games-state.rtp96.31%not a studio figure
Winnawinna:game.rtp96.31%not a studio figure

Game factsfrom 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.

Multiplier distribution30d, sampled bets

3,115 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
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 2,840.
From 3,115 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 played30d, share of sampled wagering

Rollbit$5,46470 bets · 24%
Gamdom$5,150241 bets · 23%
Housebets$2,997996 bets · 13%
Rainbet$2,594609 bets · 11%
Roobet$1,77414 bets · 8%
Shuffle$1,57253 bets · 7%
Acebet$852151 bets · 4%
Goated$53714 bets · 2%
Stake$51713 bets · 2%
BC.Game$46315 bets · 2%
Chips$27055 bets · 1%
Shock$250103 bets · 1%
Yeet$138122 bets · 1%
Duel$41.3227 bets · 0%
500 Casino$29.8629 bets · 0%
CoinCasino$15.0221 bets · 0%

When players play30d · sampled bets by UTC hour and weekday, since 2 Nov 2026

MonTueWedThuFriSatSun
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 hitslargest payouts we saw on this game

Dr ZappoHacksaw Gaming$225225 SWEEPS$8,273edge 3.7% · exp. −$8.3036.77x
Dr ZappoHacksaw GamingLudvig 45$200200 USD$3,553edge 3.7% · exp. −$7.3817.77x
Dr ZappoHacksaw GamingTheGambler1999$150150 USD$3,530edge 3.7% · exp. −$5.5423.53x
Dr ZappoHacksaw Gamingslot...$559500 EUR$3,505edge 3.7% · exp. −$20.636.27x
Dr ZappoHacksaw Gaming$6.006 SWEEPS$2,984edge 3.7% · exp. −$0.22497.3x
Dr ZappoHacksaw Gaming$300300 SWEEPS$2,820edge 3.7% · exp. −$11.079.40x
Dr ZappoHacksaw Gaming$150150 SWEEPS$2,360edge 3.7% · exp. −$5.5415.73x
Dr ZappoHacksaw Gaming$150150 SWEEPS$2,310edge 3.7% · exp. −$5.5415.40x
Dr ZappoHacksaw Gaming$225225 SWEEPS$1,800edge 3.7% · exp. −$8.308.00x
Dr ZappoHacksaw Gamingball...$300300 USD$1,690edge 3.7% · exp. −$11.075.63x

Live RTP by casino30d, refreshes on reload

#CasinoObserved RTPOfficialDev.BetsWagered
1Housebets98.02%±42.496.31%—996 bets · below min$2,997
2Rainbet50.83%±28.396.31%—609 bets · below min$2,594
3Gamdom267.66%±177.696.31%—241 bets · below min$5,150
4Acebet96.93%±30.496.00%—151 bets · below min$852
5Yeet132.76%±60.1——122 bets · below min$138
6Shock116.19%±80.6——103 bets · below min$250
7Rollbit62.00%±26.396.31%—70 bets · below min$5,464
8Chips92.19%±72.596.00%—55 bets · below min$270
9Shuffle107.77%±71.096.31%—53 bets · below min$1,572
10500 Casino77.46%±78.7——29 bets · below min$29.86
11Duel34.09%±61.596.34%—27 bets · below min$41.32
12CoinCasino129.39%±47.7——21 bets · below min$15.02
13BC.Game102.56%±54.7——15 bets · below min$463
14Goated80.42%±21.196.00%—14 bets · below min$537
15Roobet78.50%±17.1——14 bets · below min$1,774
16Stake198.01%±97.096.31%—13 bets · below min$517

About Dr Zappofrom the figures on this page

Dr Zappo is a Hacksaw Gaming slot. Over the last 30 days we observed 2,533 bets on it at 24 crypto casinos, returning 123.77% (95% band 79.73%–167.80%) 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.

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