---
title: "Drac's Stacks by Massive Studios: RTP & biggest wins"
description: "Drac's Stacks by Massive Studios: observed RTP 74.31% over 4,015 bets in 30 days vs 96.00%–96.50% official. Biggest win $549K (2.44x) at Stake."
url: https://gambatracker.com/slots/dracs-stacks
rendered: 2026-11-11T15:28Z
---

Drac's Stacks

[Slots](https://gambatracker.com/slots) / Drac's Stacks

# Drac's Stacks · slots

[Massive Studios](https://gambatracker.com/providers/massive-studios) played on 9 casinos we read official RTP 96.00%–96.50%

[Compare](https://gambatracker.com/slots/compare?a=dracs-stacks)

[24h](https://gambatracker.com/slots/dracs-stacks?window=24h) [7d](https://gambatracker.com/slots/dracs-stacks?window=7d) [30d](https://gambatracker.com/slots/dracs-stacks) [90d](https://gambatracker.com/slots/dracs-stacks?window=90d) [All](https://gambatracker.com/slots/dracs-stacks?window=all)

## Observed RTP vs official · paid ÷ wagered over the sampled bets, with a 95% band

24h · 153.43% ±112.2 · 291 bets —

7d · 65.85% ±19.1 · 3,077 bets −3.1σ

30d · 74.31% ±18.1 · 4,015 bets −2.3σ

90d · 74.31% ±18.1 · 4,015 bets −2.3σ

All · 74.31% ±18.1 · 4,015 bets −2.3σ

Per casino, 30d

[Rainbet](https://gambatracker.com/casinos/rainbet) · 82.00% ±44.39 2,359 bets

[Roobet](https://gambatracker.com/casinos/roobet) · 74.58% ±19.14 1,006 bets

[500 Casino](https://gambatracker.com/casinos/500-casino) · 565 bets · below min

[Stake](https://gambatracker.com/casinos/stake) · 85 bets · below min

28.0% 77.5% 127.0%

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**: 9,957
- **Wagered**: $4.27M
- **Paid**: $2.85M
- **Max multiplier**: 18,000x
- **Max payout**: $549K

cold −3.1σ Past observed results over 30d: −3.1σ below the official RTP. Every spin is independent.

## Official RTP · as published by the studio and each casino

[Massive Studios](https://gambatracker.com/providers/massive-studios) studio.engine.io 96.50%

[Gamba](https://gambatracker.com/casinos/gamba) gamba:games.house\_edge 96.00% [not a studio figure](https://gambatracker.com/figures/gamba)

[Rainbet](https://gambatracker.com/casinos/rainbet) rainbet:games.payout 96.00% [not a studio figure](https://gambatracker.com/figures/rainbet)

[Razed](https://gambatracker.com/casinos/razed) razed:game.rtp 96.00% [not a studio figure](https://gambatracker.com/figures/razed)

[Stake](https://gambatracker.com/casinos/stake) stake:kurator.edge 96.50%

[Stake.us](https://gambatracker.com/casinos/stake-us) stake:kurator.edge 96.50%

[Thrill](https://gambatracker.com/casinos/thrill) thrill:games-state.rtp 96.00% [not a studio figure](https://gambatracker.com/figures/thrill)

[Winna](https://gambatracker.com/casinos/winna) winna:game.rtp 96.00% [not a studio figure](https://gambatracker.com/figures/winna)

## Game facts · from studio.engine.io

A slot, released in May 2025.

- **RTP**: 96.50%
- **Max win**: Studio figure not shown: sampled bets have gone past it
- **Released**: May 2025

Demos aren't available in your country. We hide demos where casino links are hidden, and in the UK.

From [studio.engine.io](https://studio.engine.io/insights/games/massive/1_dracstacks) · read 15h ago [Studio page ↗](https://studio.engine.io/insights/games/massive/1_dracstacks)

## Multiplier distribution · 30d, sampled bets

7,639 sampled spins, 27% of them paid something.

- **1 in 45**: sampled spins paid 10x+
- **1 in 174**: sampled spins paid 100x+
- **2 spins**: paid 1000x+, too few to put a 1-in-N figure on

0

0-1

1-2

2-5

5-10

10-50

50-100

100-1000

1000+

- **Observed swings**: Compared once a slot has 20,000 sampled spins staked $0.10 or more in this window; this one has 7,314.

From 7,639 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

[Roobet](https://gambatracker.com/casinos/roobet) $306K 1,006 bets · 95%

[Rainbet](https://gambatracker.com/casinos/rainbet) $8,400 2,359 bets · 3%

[Stake](https://gambatracker.com/casinos/stake) $5,725 85 bets · 2%

[500 Casino](https://gambatracker.com/casinos/500-casino) $3,247 565 bets · 1%

## When players play · 30d · sampled bets by UTC hour and weekday, since 2 Nov 2026

Mon Mon 00:00–01:00 UTC: 29 bets, $9.93 wagered Mon 01:00–02:00 UTC: 37 bets, $510 wagered Mon 02:00–03:00 UTC: 112 bets, $7,295 wagered Mon 03:00–04:00 UTC: 60 bets, $16K wagered Mon 04:00–05:00 UTC: 22 bets, $736 wagered Mon 05:00–06:00 UTC: 36 bets, $265 wagered Mon 06:00–07:00 UTC: 73 bets, $566 wagered Mon 07:00–08:00 UTC: 30 bets, $1,405 wagered Mon 08:00–09:00 UTC: 48 bets, $6,625 wagered Mon 09:00–10:00 UTC: 41 bets, $122 wagered Mon 10:00–11:00 UTC: 80 bets, $364K wagered Mon 11:00–12:00 UTC: 69 bets, $19.4K wagered Mon 12:00–13:00 UTC: 27 bets, $1,681 wagered Mon 13:00–14:00 UTC: 44 bets, $47.5K wagered Mon 14:00–15:00 UTC: 104 bets, $8,612 wagered Mon 15:00–16:00 UTC: 82 bets, $1,741 wagered Mon 16:00–17:00 UTC: 84 bets, $672 wagered Mon 17:00–18:00 UTC: 198 bets, $235K wagered Mon 18:00–19:00 UTC: 100 bets, $10.4K wagered Mon 19:00–20:00 UTC: 40 bets, $4,215 wagered Mon 20:00–21:00 UTC: 43 bets, $1,232 wagered Mon 21:00–22:00 UTC: 113 bets, $2,608 wagered Mon 22:00–23:00 UTC: 55 bets, $1,805 wagered Mon 23:00–00:00 UTC: 63 bets, $3,323 wagered Tue Tue 00:00–01:00 UTC: 42 bets, $1,583 wagered Tue 01:00–02:00 UTC: 92 bets, $2,475 wagered Tue 02:00–03:00 UTC: 88 bets, $980 wagered Tue 03:00–04:00 UTC: 88 bets, $6,214 wagered Tue 04:00–05:00 UTC: 55 bets, $221 wagered Tue 05:00–06:00 UTC: 80 bets, $2,233 wagered Tue 06:00–07:00 UTC: 137 bets, $1,478 wagered Tue 07:00–08:00 UTC: 122 bets, $641 wagered Tue 08:00–09:00 UTC: 47 bets, $3,891 wagered Tue 09:00–10:00 UTC: 30 bets, $278 wagered Tue 10:00–11:00 UTC: 69 bets, $244 wagered Tue 11:00–12:00 UTC: 41 bets, $1.51M wagered Tue 12:00–13:00 UTC: 26 bets, $15K wagered Tue 13:00–14:00 UTC: 79 bets, $2,111 wagered Tue 14:00–15:00 UTC: 63 bets, $723 wagered Tue 15:00–16:00 UTC: 45 bets, $1,268 wagered Tue 16:00–17:00 UTC: 57 bets, $35.3K wagered Tue 17:00–18:00 UTC: 30 bets, $1,604 wagered Tue 18:00–19:00 UTC: 51 bets, $22.9K wagered Tue 19:00–20:00 UTC: 82 bets, $3,414 wagered Tue 20:00–21:00 UTC: 82 bets, $3,293 wagered Tue 21:00–22:00 UTC: 85 bets, $11.5K wagered Tue 22:00–23:00 UTC: 187 bets, $7,521 wagered Tue 23:00–00:00 UTC: 62 bets, $2,023 wagered Wed Wed 00:00–01:00 UTC: 115 bets, $14.7K wagered Wed 01:00–02:00 UTC: 109 bets, $73.1K wagered Wed 02:00–03:00 UTC: 80 bets, $1,129 wagered Wed 03:00–04:00 UTC: 83 bets, $3,038 wagered Wed 04:00–05:00 UTC: 33 bets, $712 wagered Wed 05:00–06:00 UTC: 35 bets, $233 wagered Wed 06:00–07:00 UTC: 39 bets, $328 wagered Wed 07:00–08:00 UTC: 37 bets, $1,835 wagered Wed 08:00–09:00 UTC: 52 bets, $1,678 wagered Wed 09:00–10:00 UTC: 52 bets, $699 wagered Wed 10:00–11:00 UTC: 180 bets, $4,292 wagered Wed 11:00–12:00 UTC: 64 bets, $3,283 wagered Wed 12:00–13:00 UTC: 65 bets, $1,675 wagered Wed 13:00–14:00 UTC: 80 bets, $3,293 wagered Wed 14:00–15:00 UTC: 65 bets, $4,402 wagered Wed 15:00–16:00 UTC: 51 bets, $15.7K wagered Wed 16:00–17:00 UTC: 114 bets, $12.3K wagered Wed 17:00–18:00 UTC: 104 bets, $4,882 wagered Wed 18:00–19:00 UTC: 80 bets, $3,465 wagered Wed 19:00–20:00 UTC: 39 bets, $92.2K wagered Wed 20:00–21:00 UTC: 19 bets, $815 wagered Wed 21:00–22:00 UTC: 22 bets, $4,037 wagered Wed 22:00–23:00 UTC: 81 bets, $8,946 wagered Wed 23:00–00:00 UTC: 57 bets, $741 wagered Thu Thu 00:00–01:00 UTC: 21 bets, $132 wagered Thu 01:00–02:00 UTC: 35 bets, $540 wagered Thu 02:00–03:00 UTC: 9 bets, $151 wagered Thu 03:00–04:00 UTC: 17 bets, $256 wagered Thu 04:00–05:00 UTC: 33 bets, $173 wagered Thu 05:00–06:00 UTC: 25 bets, $1,119 wagered Thu 06:00–07:00 UTC: 38 bets, $1,671 wagered Thu 07:00–08:00 UTC: 58 bets, $1,937 wagered Thu 08:00–09:00 UTC: 42 bets, $501 wagered Thu 09:00–10:00 UTC: 89 bets, $490 wagered Thu 10:00–11:00 UTC: 49 bets, $1,567 wagered Thu 11:00–12:00 UTC: 53 bets, $4,671 wagered Thu 12:00–13:00 UTC: 57 bets, $491 wagered Thu 13:00–14:00 UTC: 26 bets, $8.45 wagered Thu 14:00–15:00 UTC: 132 bets, $9,846 wagered Thu 15:00–16:00 UTC: 65 bets, $4,444 wagered Thu 16:00–17:00 UTC: 38 bets, $2,341 wagered Thu 17:00–18:00 UTC: 135 bets, $380 wagered Thu 18:00–19:00 UTC: 136 bets, $364 wagered Thu 19:00–20:00 UTC: 76 bets, $21.5K wagered Thu 20:00–21:00 UTC: 35 bets, $833 wagered Thu 21:00–22:00 UTC: 45 bets, $251 wagered Thu 22:00–23:00 UTC: 51 bets, $8,476 wagered Thu 23:00–00:00 UTC: 30 bets, $1,946 wagered Fri Fri 00:00–01:00 UTC: 34 bets, $1,570 wagered Fri 01:00–02:00 UTC: 81 bets, $6,400 wagered Fri 02:00–03:00 UTC: 45 bets, $74.12 wagered Fri 03:00–04:00 UTC: 87 bets, $455 wagered Fri 04:00–05:00 UTC: 86 bets, $601 wagered Fri 05:00–06:00 UTC: 26 bets, $25.5K wagered Fri 06:00–07:00 UTC: 27 bets, $692 wagered Fri 07:00–08:00 UTC: 23 bets, $467 wagered Fri 08:00–09:00 UTC: 18 bets, $309 wagered Fri 09:00–10:00 UTC: 34 bets, $104 wagered Fri 10:00–11:00 UTC: 108 bets, $1,614 wagered Fri 11:00–12:00 UTC: 80 bets, $1,692 wagered Fri 12:00–13:00 UTC: 74 bets, $272 wagered Fri 13:00–14:00 UTC: 34 bets, $1,860 wagered Fri 14:00–15:00 UTC: 16 bets, $48.73 wagered Fri 15:00–16:00 UTC: 139 bets, $19.2K wagered Fri 16:00–17:00 UTC: 41 bets, $538 wagered Fri 17:00–18:00 UTC: 59 bets, $7,017 wagered Fri 18:00–19:00 UTC: 83 bets, $5,664 wagered Fri 19:00–20:00 UTC: 110 bets, $1,767 wagered Fri 20:00–21:00 UTC: 28 bets, $210 wagered Fri 21:00–22:00 UTC: 103 bets, $1,257 wagered Fri 22:00–23:00 UTC: 34 bets, $16K wagered Fri 23:00–00:00 UTC: 34 bets, $582 wagered Sat Sat 00:00–01:00 UTC: 68 bets, $419 wagered Sat 01:00–02:00 UTC: 40 bets, $20.86 wagered Sat 02:00–03:00 UTC: 72 bets, $6,695 wagered Sat 03:00–04:00 UTC: 63 bets, $256 wagered Sat 04:00–05:00 UTC: 82 bets, $8,950 wagered Sat 05:00–06:00 UTC: 84 bets, $939 wagered Sat 06:00–07:00 UTC: 42 bets, $547K wagered Sat 07:00–08:00 UTC: 13 bets, $14.96 wagered Sat 08:00–09:00 UTC: 59 bets, $16.8K wagered Sat 09:00–10:00 UTC: 33 bets, $1,247 wagered Sat 10:00–11:00 UTC: 39 bets, $421K wagered Sat 11:00–12:00 UTC: 30 bets, $591 wagered Sat 12:00–13:00 UTC: 38 bets, $4,491 wagered Sat 13:00–14:00 UTC: 25 bets, $1,073 wagered Sat 14:00–15:00 UTC: 26 bets, $705 wagered Sat 15:00–16:00 UTC: 87 bets, $3,173 wagered Sat 16:00–17:00 UTC: 9 bets, $12.62 wagered Sat 17:00–18:00 UTC: 16 bets, $2,149 wagered Sat 18:00–19:00 UTC: 41 bets, $7,119 wagered Sat 19:00–20:00 UTC: 29 bets, $663 wagered Sat 20:00–21:00 UTC: 44 bets, $2,157 wagered Sat 21:00–22:00 UTC: 18 bets, $256 wagered Sat 22:00–23:00 UTC: 71 bets, $14.7K wagered Sat 23:00–00:00 UTC: 17 bets, $1,716 wagered Sun Sun 00:00–01:00 UTC: 32 bets, $8,900 wagered Sun 01:00–02:00 UTC: 24 bets, $7,344 wagered Sun 02:00–03:00 UTC: 37 bets, $507 wagered Sun 03:00–04:00 UTC: 59 bets, $3,195 wagered Sun 04:00–05:00 UTC: 61 bets, $1,097 wagered Sun 05:00–06:00 UTC: 21 bets, $3,711 wagered Sun 06:00–07:00 UTC: 45 bets, $176 wagered Sun 07:00–08:00 UTC: 9 bets, $102 wagered Sun 08:00–09:00 UTC: 29 bets, $908 wagered Sun 09:00–10:00 UTC: 13 bets, $624 wagered Sun 10:00–11:00 UTC: 56 bets, $402K wagered Sun 11:00–12:00 UTC: 20 bets, $1,149 wagered Sun 12:00–13:00 UTC: 35 bets, $1,406 wagered Sun 13:00–14:00 UTC: 38 bets, $691 wagered Sun 14:00–15:00 UTC: 8 bets, $312 wagered Sun 15:00–16:00 UTC: 9 bets, $148 wagered Sun 16:00–17:00 UTC: 25 bets, $397 wagered Sun 17:00–18:00 UTC: 83 bets, $2,994 wagered Sun 18:00–19:00 UTC: 151 bets, $7,503 wagered Sun 19:00–20:00 UTC: 205 bets, $2,898 wagered Sun 20:00–21:00 UTC: 69 bets, $636 wagered Sun 21:00–22:00 UTC: 136 bets, $619 wagered Sun 22:00–23:00 UTC: 33 bets, $248 wagered Sun 23:00–00:00 UTC: 28 bets, $293 wagered

by hour

Busiest hour: Sun 19:00–20:00 UTC with 205 bets; busiest time of day: 18:00–19:00 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](https://gambatracker.com/casinos/stake) [Drac's Stacks Massive Studios](https://gambatracker.com/slots/dracs-stacks) Hidden $225K 225,450 USDT $549K edge 3.5% · exp. −$7,891 2.44x 2026-11-03 11:50 UTC

[Stake](https://gambatracker.com/casinos/stake) [Drac's Stacks Massive Studios](https://gambatracker.com/slots/dracs-stacks) Hidden $250K 250,500 USDT $205K edge 3.5% · exp. −$8,767 0.82x 2026-11-03 11:47 UTC

[Stake](https://gambatracker.com/casinos/stake) [Drac's Stacks Massive Studios](https://gambatracker.com/slots/dracs-stacks) Hidden $200K 200,400 USDT $199K edge 3.5% · exp. −$7,014 0.99x 2026-11-03 11:57 UTC

[Stake](https://gambatracker.com/casinos/stake) [Drac's Stacks Massive Studios](https://gambatracker.com/slots/dracs-stacks) Hidden $250K 250,000 USDC $183K edge 3.5% · exp. −$8,750 0.73x 2026-11-07 10:51 UTC

[Stake](https://gambatracker.com/casinos/stake) [Drac's Stacks Massive Studios](https://gambatracker.com/slots/dracs-stacks) Hidden $225K 225,450 USDT $99.3K edge 3.5% · exp. −$7,891 0.44x 2026-11-03 11:55 UTC

[Stake](https://gambatracker.com/casinos/stake) [Drac's Stacks Massive Studios](https://gambatracker.com/slots/dracs-stacks) Hidden $150K 150,000 USDC $90.3K edge 3.5% · exp. −$5,250 0.60x 2026-11-07 10:53 UTC

[Stake](https://gambatracker.com/casinos/stake) [Drac's Stacks Massive Studios](https://gambatracker.com/slots/dracs-stacks) Hidden $200K 200,400 USDT $86.5K edge 3.5% · exp. −$7,014 0.43x 2026-11-03 11:58 UTC

[Stake](https://gambatracker.com/casinos/stake) [Drac's Stacks Massive Studios](https://gambatracker.com/slots/dracs-stacks) Hidden $200K 200,400 USDT $78.7K edge 3.5% · exp. −$7,014 0.39x 2026-11-03 11:53 UTC

[Stake](https://gambatracker.com/casinos/stake) [Drac's Stacks Massive Studios](https://gambatracker.com/slots/dracs-stacks) Hidden $200K 2.634 BTC $61.8K edge 3.5% · exp. −$7,011 0.31x 2026-11-07 06:46 UTC

[Stake](https://gambatracker.com/casinos/stake) [Drac's Stacks Massive Studios](https://gambatracker.com/slots/dracs-stacks) Hidden $200K 200,200 USDT $53.9K edge 3.5% · exp. −$7,007 0.27x 2026-11-09 10:34 UTC

## Live RTP by casino · 30d, refreshes on reload

[24h](https://gambatracker.com/slots/dracs-stacks?window=24h) [7d](https://gambatracker.com/slots/dracs-stacks?window=7d) [30d](https://gambatracker.com/slots/dracs-stacks) [90d](https://gambatracker.com/slots/dracs-stacks?window=90d) [All](https://gambatracker.com/slots/dracs-stacks?window=all)

| # | Casino | Observed RTP | Official | Dev. | Bets | Wagered |
| --- | --- | --- | --- | --- | --- | --- |
| 1 | [Rainbet](https://gambatracker.com/casinos/rainbet) | 82.00% ±44.4 | 96.00% | −0.6σ | 2,359 | $8,400 |
| 2 | [Roobet](https://gambatracker.com/casinos/roobet) | 74.58% ±19.1 | — | — | 1,006 | $306K |
| 3 | [500 Casino](https://gambatracker.com/casinos/500-casino) | 50.13% ±18.6 | — | — | 565 bets · below min | $3,247 |
| 4 | [Stake](https://gambatracker.com/casinos/stake) | 62.13% ±33.2 | 96.50% | — | 85 bets · below min | $5,725 |

## About Drac's Stacks · from the figures on this page

Drac's Stacks is a Massive Studios slot. Over the last 30 days we observed 4,015 bets on it at 9 crypto casinos, returning 74.31% (95% band 56.16%–92.46%) against an official RTP of 96.00%–96.50%. Its highest multiplier in the last 30 days was 18,000x. The biggest win we saw on it paid $549K (2.44x) at Stake on 3 Nov 2026. Over the last 30 days it was played most, by wager, at Roobet, Rainbet and Stake.

## More from Massive Studios · 30 days, by observed wagering

[Studio →](https://gambatracker.com/providers/massive-studios)

[Super Wild Cat](https://gambatracker.com/slots/super-wild-cat) Demo $7.39M

[Dr Funkenstein and his Monsters](https://gambatracker.com/slots/dr-funkenstein-and-his-monsters) $1.96M

[Ghost House](https://gambatracker.com/slots/ghost-house) 75.89%

[Rooster's Revenge](https://gambatracker.com/slots/roosters-revenge) Demo 70.80%

[Rooster Returns](https://gambatracker.com/slots/rooster-returns) $757K

[Roosters Reloaded](https://gambatracker.com/slots/roosters-reloaded) 80.00%

[Bonsai Banzai](https://gambatracker.com/slots/bonsai-banzai) Demo 164.79%

[Hyde and seek](https://gambatracker.com/slots/hyde-and-seek) Demo $411K

Compare with

- [Super Wild Cat](https://gambatracker.com/slots/compare/dracs-stacks-vs-super-wild-cat)
- [Dr Funkenstein and his Monsters](https://gambatracker.com/slots/compare/dr-funkenstein-and-his-monsters-vs-dracs-stacks)
- [Ghost House](https://gambatracker.com/slots/compare/dracs-stacks-vs-ghost-house)
- [Rooster's Revenge](https://gambatracker.com/slots/compare/dracs-stacks-vs-roosters-revenge)

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