--- title: "Book of Monsters by Pragmatic Play: RTP & biggest wins" description: "Book of Monsters by Pragmatic Play: observed RTP 266.93% over 1,145 bets in 30 days vs 96.50% official. Biggest win $18.8K (268.6x) at Yeet." url: https://gambatracker.com/slots/book-of-monsters rendered: 2026-11-12T16:40Z --- Book of Monsters [Slots](https://gambatracker.com/slots) / Book of Monsters # Book of Monsters · slots [Pragmatic Play](https://gambatracker.com/providers/pragmatic-play) played on 21 casinos we read official RTP 96.50% [Compare](https://gambatracker.com/slots/compare?a=book-of-monsters) [24h](https://gambatracker.com/slots/book-of-monsters?window=24h) [7d](https://gambatracker.com/slots/book-of-monsters?window=7d) [30d](https://gambatracker.com/slots/book-of-monsters) [90d](https://gambatracker.com/slots/book-of-monsters?window=90d) [All](https://gambatracker.com/slots/book-of-monsters?window=all) ## Observed RTP vs official · paid ÷ wagered over the sampled bets, with a 95% band 24h · 598.35% ±928.0 · 110 bets — 7d · 304.65% ±288.4 · 974 bets — 30d · 266.93% ±238.2 · 1,145 bets +1.4σ 90d · 266.93% ±238.2 · 1,145 bets +1.4σ All · 266.93% ±238.2 · 1,145 bets +1.4σ Per casino, 30d [Yeet](https://gambatracker.com/casinos/yeet) · 482 bets · below min [Gamdom](https://gambatracker.com/casinos/gamdom) · 219 bets · below min [BC.Game](https://gambatracker.com/casinos/bcgame) · 127 bets · below min [500 Casino](https://gambatracker.com/casinos/500-casino) · 80 bets · below min [Rollbit](https://gambatracker.com/casinos/rollbit) · 69 bets · below min [Rainbet](https://gambatracker.com/casinos/rainbet) · 59 bets · below min [Spartans](https://gambatracker.com/casinos/spartans) · 41 bets · below min [Goated](https://gambatracker.com/casinos/goated) · 29 bets · below min [Roobet](https://gambatracker.com/casinos/roobet) · 23 bets · below min [Shuffle](https://gambatracker.com/casinos/shuffle) · 6 bets · below min [Stake](https://gambatracker.com/casinos/stake) · 5 bets · below min [Duel](https://gambatracker.com/casinos/duel) · 3 bets · below min [Acebet](https://gambatracker.com/casinos/acebet) · 2 bets · below min -0.5% 2308.3% 4617.0% 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**: 1,552 - **Wagered**: $30.5K - **Paid**: $97.5K - **Max multiplier**: 2,500x - **Max payout**: $18.8K too early Not enough bets over 30d to compare with the official RTP yet. Every spin is independent. ## Official RTP · as published by the studio and each casino [Pragmatic Play](https://gambatracker.com/providers/pragmatic-play) pragmaticplay.com 96.50% [Acebet](https://gambatracker.com/casinos/acebet) acebet:slots.houseEdge 96.50% [BetFury](https://gambatracker.com/casinos/betfury) betfury:game.rtp 96.50% [Chips](https://gambatracker.com/casinos/chips) chips:game.rtp 96.50% [DegenCity](https://gambatracker.com/casinos/degencity) degencity:game.payout 96.50% [Duel](https://gambatracker.com/casinos/duel) duel:games.rtp 96.50% [Duelbits](https://gambatracker.com/casinos/duelbits) duelbits:games.payout 96.50% [Gamba](https://gambatracker.com/casinos/gamba) gamba:games.house\_edge 96.50% [Gamdom](https://gambatracker.com/casinos/gamdom) gamdom:rtp\_override 96.50% [Goated](https://gambatracker.com/casinos/goated) goated:hub88.rtp 96.50% [Metawin](https://gambatracker.com/casinos/metawin) metawin:game.rtp 96.50% [Qzino](https://gambatracker.com/casinos/qzino) qzino:openSlotPage.rtp 96.50% [Rainbet](https://gambatracker.com/casinos/rainbet) rainbet:games.payout 96.50% [Razed](https://gambatracker.com/casinos/razed) razed:game.rtp 96.50% [Rollbit](https://gambatracker.com/casinos/rollbit) rollbit:static.games 96.50% [Shuffle](https://gambatracker.com/casinos/shuffle) shuffle:game.edge 96.50% [Spartans](https://gambatracker.com/casinos/spartans) spartans:games.rtp 96.50% [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 96.50% [Whale.io](https://gambatracker.com/casinos/whale) whale:game.rtp 96.50% [Winna](https://gambatracker.com/casinos/winna) winna:game.rtp 96.50% [Yeet](https://gambatracker.com/casinos/yeet) yeet:games-by-tag.returnToPlayer 96.50% ## Game facts · from pragmaticplay.com A slot, released in March 2025. - **RTP**: 96.50% - **Released**: Mar 2025 - Free spins - Gamble - Bonus game Demos aren't available in your country. We hide demos where casino links are hidden, and in the UK. From [pragmaticplay.com](https://www.pragmaticplay.com/en/games/book-of-monsters/) · read 8d ago [Studio page ↗](https://www.pragmaticplay.com/en/games/book-of-monsters/) ## Multiplier distribution · 30d, sampled bets 1,257 sampled spins, 51% of them paid something. - **1 in 19**: sampled spins paid 10x+ - **6 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+ - **Observed swings**: Compared once a slot has 20,000 sampled spins staked $0.10 or more in this window; this one has 1,175. From 1,257 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) $5,046 23 bets · 29% [BC.Game](https://gambatracker.com/casinos/bcgame) $3,373 127 bets · 19% [Gamdom](https://gambatracker.com/casinos/gamdom) $3,329 219 bets · 19% [Rollbit](https://gambatracker.com/casinos/rollbit) $2,920 69 bets · 17% [Yeet](https://gambatracker.com/casinos/yeet) $1,268 482 bets · 7% [500 Casino](https://gambatracker.com/casinos/500-casino) $508 80 bets · 3% [Rainbet](https://gambatracker.com/casinos/rainbet) $489 59 bets · 3% [Shuffle](https://gambatracker.com/casinos/shuffle) $140 6 bets · 1% [Duel](https://gambatracker.com/casinos/duel) $120 3 bets · 1% [Stake](https://gambatracker.com/casinos/stake) $79.44 5 bets · 0% [Acebet](https://gambatracker.com/casinos/acebet) $20.64 2 bets · 0% [Goated](https://gambatracker.com/casinos/goated) $4.62 29 bets · 0% [Spartans](https://gambatracker.com/casinos/spartans) $1.53 41 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: 0 bets, $0 wagered Mon 02:00–03:00 UTC: 0 bets, $0 wagered Mon 03:00–04:00 UTC: 331 bets, $261 wagered Mon 04:00–05:00 UTC: 0 bets, $0 wagered Mon 05:00–06:00 UTC: 0 bets, $0 wagered Mon 06:00–07:00 UTC: 0 bets, $0 wagered Mon 07:00–08:00 UTC: 0 bets, $0 wagered Mon 08:00–09:00 UTC: 15 bets, $17.78 wagered Mon 09:00–10:00 UTC: 1 bets, $22.39 wagered Mon 10:00–11:00 UTC: 5 bets, $107 wagered Mon 11:00–12:00 UTC: 12 bets, $316 wagered Mon 12:00–13:00 UTC: 0 bets, $0 wagered Mon 13:00–14:00 UTC: 2 bets, $9.58 wagered Mon 14:00–15:00 UTC: 31 bets, $108 wagered Mon 15:00–16:00 UTC: 3 bets, $59.72 wagered Mon 16:00–17:00 UTC: 4 bets, $0.47 wagered Mon 17:00–18:00 UTC: 0 bets, $0 wagered Mon 18:00–19:00 UTC: 2 bets, $1,569 wagered Mon 19:00–20:00 UTC: 1 bets, $0.08 wagered Mon 20:00–21:00 UTC: 11 bets, $1,787 wagered Mon 21:00–22:00 UTC: 38 bets, $322 wagered Mon 22:00–23:00 UTC: 14 bets, $1,356 wagered Mon 23:00–00:00 UTC: 2 bets, $42.05 wagered Tue Tue 00:00–01:00 UTC: 28 bets, $34.98 wagered Tue 01:00–02:00 UTC: 2 bets, $0.41 wagered Tue 02:00–03:00 UTC: 4 bets, $1,001 wagered Tue 03:00–04:00 UTC: 1 bets, $39.98 wagered Tue 04:00–05:00 UTC: 7 bets, $52.04 wagered Tue 05:00–06:00 UTC: 7 bets, $5.60 wagered Tue 06:00–07:00 UTC: 4 bets, $475 wagered Tue 07:00–08:00 UTC: 1 bets, $4.81 wagered Tue 08:00–09:00 UTC: 9 bets, $1.59 wagered Tue 09:00–10:00 UTC: 6 bets, $15.20 wagered Tue 10:00–11:00 UTC: 0 bets, $0 wagered Tue 11:00–12:00 UTC: 2 bets, $120 wagered Tue 12:00–13:00 UTC: 12 bets, $105 wagered Tue 13:00–14:00 UTC: 5 bets, $26.91 wagered Tue 14:00–15:00 UTC: 31 bets, $154 wagered Tue 15:00–16:00 UTC: 13 bets, $87.15 wagered Tue 16:00–17:00 UTC: 11 bets, $23.22 wagered Tue 17:00–18:00 UTC: 3 bets, $24.00 wagered Tue 18:00–19:00 UTC: 1 bets, $22.42 wagered Tue 19:00–20:00 UTC: 2 bets, $12.64 wagered Tue 20:00–21:00 UTC: 4 bets, $801 wagered Tue 21:00–22:00 UTC: 8 bets, $2.86 wagered Tue 22:00–23:00 UTC: 11 bets, $50.02 wagered Tue 23:00–00:00 UTC: 5 bets, $102 wagered Wed Wed 00:00–01:00 UTC: 3 bets, $62.75 wagered Wed 01:00–02:00 UTC: 78 bets, $1,870 wagered Wed 02:00–03:00 UTC: 7 bets, $152 wagered Wed 03:00–04:00 UTC: 2 bets, $12.47 wagered Wed 04:00–05:00 UTC: 0 bets, $0 wagered Wed 05:00–06:00 UTC: 0 bets, $0 wagered Wed 06:00–07:00 UTC: 17 bets, $441 wagered Wed 07:00–08:00 UTC: 3 bets, $60.07 wagered Wed 08:00–09:00 UTC: 7 bets, $131 wagered Wed 09:00–10:00 UTC: 9 bets, $20.35 wagered Wed 10:00–11:00 UTC: 13 bets, $62.06 wagered Wed 11:00–12:00 UTC: 1 bets, $1.20 wagered Wed 12:00–13:00 UTC: 4 bets, $8.56 wagered Wed 13:00–14:00 UTC: 3 bets, $28.91 wagered Wed 14:00–15:00 UTC: 5 bets, $6.46 wagered Wed 15:00–16:00 UTC: 40 bets, $31.30 wagered Wed 16:00–17:00 UTC: 8 bets, $3.20 wagered Wed 17:00–18:00 UTC: 1 bets, $0.20 wagered Wed 18:00–19:00 UTC: 5 bets, $882 wagered Wed 19:00–20:00 UTC: 20 bets, $19.36 wagered Wed 20:00–21:00 UTC: 29 bets, $2,571 wagered Wed 21:00–22:00 UTC: 46 bets, $873 wagered Wed 22:00–23:00 UTC: 22 bets, $1,530 wagered Wed 23:00–00:00 UTC: 2 bets, $29.70 wagered Thu Thu 00:00–01:00 UTC: 15 bets, $129 wagered Thu 01:00–02:00 UTC: 9 bets, $95.64 wagered Thu 02:00–03:00 UTC: 3 bets, $2.04 wagered Thu 03:00–04:00 UTC: 2 bets, $23.38 wagered Thu 04:00–05:00 UTC: 1 bets, $4.53 wagered Thu 05:00–06:00 UTC: 1 bets, $0.40 wagered Thu 06:00–07:00 UTC: 5 bets, $10.00 wagered Thu 07:00–08:00 UTC: 0 bets, $0 wagered Thu 08:00–09:00 UTC: 4 bets, $2.82 wagered Thu 09:00–10:00 UTC: 50 bets, $200 wagered Thu 10:00–11:00 UTC: 7 bets, $31.09 wagered Thu 11:00–12:00 UTC: 9 bets, $22.07 wagered Thu 12:00–13:00 UTC: 8 bets, $101 wagered Thu 13:00–14:00 UTC: 4 bets, $559 wagered Thu 14:00–15:00 UTC: 11 bets, $1,223 wagered Thu 15:00–16:00 UTC: 1 bets, $14.29 wagered Thu 16:00–17:00 UTC: 0 bets, $0 wagered Thu 17:00–18:00 UTC: 3 bets, $40.03 wagered Thu 18:00–19:00 UTC: 0 bets, $0 wagered Thu 19:00–20:00 UTC: 1 bets, $200 wagered Thu 20:00–21:00 UTC: 13 bets, $23.09 wagered Thu 21:00–22:00 UTC: 2 bets, $157 wagered Thu 22:00–23:00 UTC: 0 bets, $0 wagered Thu 23:00–00:00 UTC: 12 bets, $4.80 wagered Fri Fri 00:00–01:00 UTC: 12 bets, $6.00 wagered Fri 01:00–02:00 UTC: 2 bets, $0.40 wagered Fri 02:00–03:00 UTC: 13 bets, $55.34 wagered Fri 03:00–04:00 UTC: 16 bets, $320 wagered Fri 04:00–05:00 UTC: 6 bets, $120 wagered Fri 05:00–06:00 UTC: 0 bets, $0 wagered Fri 06:00–07:00 UTC: 0 bets, $0 wagered Fri 07:00–08:00 UTC: 0 bets, $0 wagered Fri 08:00–09:00 UTC: 1 bets, $40.00 wagered Fri 09:00–10:00 UTC: 2 bets, $33.43 wagered Fri 10:00–11:00 UTC: 0 bets, $0 wagered Fri 11:00–12:00 UTC: 0 bets, $0 wagered Fri 12:00–13:00 UTC: 0 bets, $0 wagered Fri 13:00–14:00 UTC: 10 bets, $22.33 wagered Fri 14:00–15:00 UTC: 1 bets, $2.23 wagered Fri 15:00–16:00 UTC: 0 bets, $0 wagered Fri 16:00–17:00 UTC: 0 bets, $0 wagered Fri 17:00–18:00 UTC: 5 bets, $81.47 wagered Fri 18:00–19:00 UTC: 21 bets, $561 wagered Fri 19:00–20:00 UTC: 3 bets, $80.18 wagered Fri 20:00–21:00 UTC: 2 bets, $107 wagered Fri 21:00–22:00 UTC: 2 bets, $200 wagered Fri 22:00–23:00 UTC: 0 bets, $0 wagered Fri 23:00–00:00 UTC: 1 bets, $5.94 wagered Sat Sat 00:00–01:00 UTC: 8 bets, $35.68 wagered Sat 01:00–02:00 UTC: 0 bets, $0 wagered Sat 02:00–03:00 UTC: 1 bets, $3.25 wagered Sat 03:00–04:00 UTC: 0 bets, $0 wagered Sat 04:00–05:00 UTC: 0 bets, $0 wagered Sat 05:00–06:00 UTC: 0 bets, $0 wagered Sat 06:00–07:00 UTC: 0 bets, $0 wagered Sat 07:00–08:00 UTC: 1 bets, $1,118 wagered Sat 08:00–09:00 UTC: 6 bets, $2.40 wagered Sat 09:00–10:00 UTC: 0 bets, $0 wagered Sat 10:00–11:00 UTC: 4 bets, $7.49 wagered Sat 11:00–12:00 UTC: 1 bets, $20.02 wagered Sat 12:00–13:00 UTC: 2 bets, $1.20 wagered Sat 13:00–14:00 UTC: 7 bets, $669 wagered Sat 14:00–15:00 UTC: 0 bets, $0 wagered Sat 15:00–16:00 UTC: 0 bets, $0 wagered Sat 16:00–17:00 UTC: 0 bets, $0 wagered Sat 17:00–18:00 UTC: 3 bets, $28.01 wagered Sat 18:00–19:00 UTC: 4 bets, $34.53 wagered Sat 19:00–20:00 UTC: 10 bets, $8.00 wagered Sat 20:00–21:00 UTC: 5 bets, $1,120 wagered Sat 21:00–22:00 UTC: 1 bets, $2.81 wagered Sat 22:00–23:00 UTC: 0 bets, $0 wagered Sat 23:00–00:00 UTC: 1 bets, $39.89 wagered Sun Sun 00:00–01:00 UTC: 6 bets, $64.84 wagered Sun 01:00–02:00 UTC: 0 bets, $0 wagered Sun 02:00–03:00 UTC: 0 bets, $0 wagered Sun 03:00–04:00 UTC: 0 bets, $0 wagered Sun 04:00–05:00 UTC: 0 bets, $0 wagered Sun 05:00–06:00 UTC: 0 bets, $0 wagered Sun 06:00–07:00 UTC: 0 bets, $0 wagered Sun 07:00–08:00 UTC: 1 bets, $60.00 wagered Sun 08:00–09:00 UTC: 1 bets, $80.00 wagered Sun 09:00–10:00 UTC: 0 bets, $0 wagered Sun 10:00–11:00 UTC: 1 bets, $22.32 wagered Sun 11:00–12:00 UTC: 2 bets, $0.80 wagered Sun 12:00–13:00 UTC: 5 bets, $15.16 wagered Sun 13:00–14:00 UTC: 22 bets, $32.01 wagered Sun 14:00–15:00 UTC: 90 bets, $180 wagered Sun 15:00–16:00 UTC: 0 bets, $0 wagered Sun 16:00–17:00 UTC: 42 bets, $4.29 wagered Sun 17:00–18:00 UTC: 13 bets, $74.41 wagered Sun 18:00–19:00 UTC: 14 bets, $62.85 wagered Sun 19:00–20:00 UTC: 41 bets, $3,284 wagered Sun 20:00–21:00 UTC: 5 bets, $0.73 wagered Sun 21:00–22:00 UTC: 6 bets, $392 wagered Sun 22:00–23:00 UTC: 11 bets, $18.19 wagered Sun 23:00–00:00 UTC: 6 bets, $667 wagered by hour Busiest hour: Mon 03:00–04:00 UTC with 331 bets; busiest time of day: 03:00–04:00 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. ## Biggest hits · largest payouts we saw on this game [Yeet](https://gambatracker.com/casinos/yeet) [Book of Monsters Pragmatic Play](https://gambatracker.com/slots/book-of-monsters) [shanaya](https://gambatracker.com/players/yeet/shanaya) $70.17 70.17 USD $18.8K edge 3.5% · exp. −$2.46 268.6x 2026-11-11 21:17 UTC [BC.Game](https://gambatracker.com/casinos/bcgame) [Book of Monsters Pragmatic Play](https://gambatracker.com/slots/book-of-monsters) [nixbdwmax1qb](https://gambatracker.com/players/bcgame/nixbdwmax1qb) $7.21 0.1395 LTC $18K edge 3.5% · exp. −$0.25 2,500x 2026-11-08 14:43 UTC [Rollbit](https://gambatracker.com/casinos/rollbit) [Book of Monsters Pragmatic Play](https://gambatracker.com/slots/book-of-monsters) [Saab 765](https://gambatracker.com/players/rollbit/Saab%20765) $1,000 1,000 USD $10.4K edge 3.5% · exp. −$35.00 10.43x 2026-11-10 02:25 UTC [Qzino](https://gambatracker.com/casinos/qzino) [Book of Monsters Pragmatic Play](https://gambatracker.com/slots/book-of-monsters) [Qzer\_4345680](https://gambatracker.com/players/qzino/Qzer_4345680) $1,000 3,122 TRX $9,941 edge 3.5% · exp. −$35.00 9.94x 2026-11-07 20:06 UTC [Rollbit](https://gambatracker.com/casinos/rollbit) [Book of Monsters Pragmatic Play](https://gambatracker.com/slots/book-of-monsters) [caaaasper](https://gambatracker.com/players/rollbit/caaaasper) $500 500 USD $4,695 edge 3.5% · exp. −$17.50 9.39x 2026-11-11 01:59 UTC [Qzino](https://gambatracker.com/casinos/qzino) [Book of Monsters Pragmatic Play](https://gambatracker.com/slots/book-of-monsters) [billiard](https://gambatracker.com/players/qzino/billiard) $1,118 1,118 USDC $3,841 edge 3.5% · exp. −$39.15 3.43x 2026-11-07 07:31 UTC [BC.Game](https://gambatracker.com/casinos/bcgame) [Book of Monsters Pragmatic Play](https://gambatracker.com/slots/book-of-monsters) Hidden $6.72 6.72 USDT $2,662 edge 3.5% · exp. −$0.24 396.4x 2026-11-03 12:25 UTC [Yeet](https://gambatracker.com/casinos/yeet) [Book of Monsters Pragmatic Play](https://gambatracker.com/slots/book-of-monsters) [shanaya](https://gambatracker.com/players/yeet/shanaya) $70.17 70.17 USD $1,684 edge 3.5% · exp. −$2.46 24.00x 2026-11-11 21:14 UTC [Yeet](https://gambatracker.com/casinos/yeet) [Book of Monsters Pragmatic Play](https://gambatracker.com/slots/book-of-monsters) [shanaya](https://gambatracker.com/players/yeet/shanaya) $70.17 70.17 USD $1,154 edge 3.5% · exp. −$2.46 16.45x 2026-11-11 21:15 UTC [Shuffle](https://gambatracker.com/casinos/shuffle) [Book of Monsters Pragmatic Play](https://gambatracker.com/slots/book-of-monsters) Hidden $12.24 12.24 USDT $1,121 edge 3.5% · exp. −$0.43 91.53x 2026-11-03 19:32 UTC ## Live RTP by casino · 30d, refreshes on reload [24h](https://gambatracker.com/slots/book-of-monsters?window=24h) [7d](https://gambatracker.com/slots/book-of-monsters?window=7d) [30d](https://gambatracker.com/slots/book-of-monsters) [90d](https://gambatracker.com/slots/book-of-monsters?window=90d) [All](https://gambatracker.com/slots/book-of-monsters?window=all) | # | Casino | Observed RTP | Official | Dev. | Bets | Wagered | | --- | --- | --- | --- | --- | --- | --- | | 1 | [Yeet](https://gambatracker.com/casinos/yeet) | 1839.88% ±2776.2 | 96.50% | — | 482 bets · below min | $1,268 | | 2 | [Gamdom](https://gambatracker.com/casinos/gamdom) | 82.94% ±50.5 | 96.50% | — | 219 bets · below min | $3,329 | | 3 | [BC.Game](https://gambatracker.com/casinos/bcgame) | 85.66% ±54.2 | — | — | 127 bets · below min | $3,373 | | 4 | [500 Casino](https://gambatracker.com/casinos/500-casino) | 42.77% ±37.3 | — | — | 80 bets · below min | $508 | | 5 | [Rollbit](https://gambatracker.com/casinos/rollbit) | 533.87% ±376.2 | 96.50% | — | 69 bets · below min | $2,920 | | 6 | [Rainbet](https://gambatracker.com/casinos/rainbet) | 5.01% ±4.72 | 96.50% | — | 59 bets · below min | $489 | | 7 | [Spartans](https://gambatracker.com/casinos/spartans) | 457.26% ±814.1 | 96.50% | — | 41 bets · below min | $1.53 | | 8 | [Goated](https://gambatracker.com/casinos/goated) | 20.35% ±22.5 | 96.50% | — | 29 bets · below min | $4.62 | | 9 | [Roobet](https://gambatracker.com/casinos/roobet) | 22.06% ±19.3 | — | — | 23 bets · below min | $5,046 | | 10 | [Shuffle](https://gambatracker.com/casinos/shuffle) | 109.61% ±117.1 | 96.50% | — | 6 bets · below min | $140 | | 11 | [Stake](https://gambatracker.com/casinos/stake) | 105.90% ±125.2 | 96.50% | — | 5 bets · below min | $79.44 | | 12 | [Duel](https://gambatracker.com/casinos/duel) | 4.98% ±0.06 | 96.50% | — | 3 bets · below min | $120 | | 13 | [Acebet](https://gambatracker.com/casinos/acebet) | 11.82% ±25.9 | 96.50% | — | 2 bets · below min | $20.64 | ## About Book of Monsters · from the figures on this page Book of Monsters is a Pragmatic Play slot. Over the last 30 days we observed 1,145 bets on it at 21 crypto casinos, returning 266.93% (95% band 28.73%–505.13%) against an official RTP of 96.50%. Its highest multiplier in the last 30 days was 2,500x. The biggest win we saw on it paid $18.8K (268.6x) at Yeet on 11 Nov 2026. Over the last 30 days it was played most, by wager, at Roobet, BC.Game and Gamdom. ## More from Pragmatic Play · 30 days, by observed wagering [Studio →](https://gambatracker.com/providers/pragmatic-play) [Sweet Bonanza 2500](https://gambatracker.com/slots/sweet-bonanza-2500) Demo 94.04% [Gates of Olympus Super Scatter](https://gambatracker.com/slots/gates-of-olympus-super-scatter) Demo 102.63% [Gates of Olympus 2500](https://gambatracker.com/slots/gates-of-olympus-2500) Demo 97.43% [Sweet Rush Bonanza](https://gambatracker.com/slots/sweet-rush-bonanza-pragmatic-play) Demo 105.33% [Killer Night](https://gambatracker.com/slots/killer-night) Demo 130.89% [Gates of Olympus 1000](https://gambatracker.com/slots/gates-of-olympus-1000) Demo 94.83% [Sweet Bonanza 1000](https://gambatracker.com/slots/sweet-bonanza-1000) Demo 94.39% [Sugar Rush 1000](https://gambatracker.com/slots/sugar-rush-1000) Demo 101.61% Compare with - [Sweet Bonanza 2500](https://gambatracker.com/slots/compare/book-of-monsters-vs-sweet-bonanza-2500) - [Gates of Olympus Super Scatter](https://gambatracker.com/slots/compare/book-of-monsters-vs-gates-of-olympus-super-scatter) - [Gates of Olympus 2500](https://gambatracker.com/slots/compare/book-of-monsters-vs-gates-of-olympus-2500) - [Sweet Rush Bonanza](https://gambatracker.com/slots/compare/book-of-monsters-vs-sweet-rush-bonanza-pragmatic-play) 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