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Castle of the Beast — Iosif Games
Designed by Aleksandra Nowak, Art Director at Iosif Games
Step into Castle of the Beast, a video slot by Iosif Games, blending beauty and the beast and brown flavor with 100 payways and a solid RTP of 89.96%. Casual players and high rollers alike will find the core math keeps every session engaging spin after spin.
At its core, Castle of the Beast is built around a familiar yet polished spin loop featuring buy feature, free spins and scatter symbols. Land the right symbols across the reels and unlock bonus features that can stack into major wins of up to 2800x.
Bonus features sit at the center of Castle of the Beast, with buy feature, free spins and scatter symbols powering the momentum. Each feature adds an extra layer of excitement — watch for the bonus symbols that open the top-paying sequences.
With Low-Med volatility, expect frequent, smaller payouts — and the 89.96% RTP keeps the long-run return fair. The result is a math model that rewards patient players.
All in all, Castle of the Beast by Iosif Games is a video slot that earns a spot in any slot fan's library. Try the free demo to get a feel for the mechanics, then play for real money when you're set.
Where to play for real money
| Casino | Bonus | Rating | Payout | Play now |
|---|---|---|---|---|
| Fresh | 300% up to $1500 | 4.5/5 | Instant | Play now |
| Vavada | 100% up to $1000 + 100 FS | 4.9/5 | 0-1 hours | Play now |
| 1Win | 500% up to $1000 + 200 FS | 4.8/5 | Instant | Play now |
Castle of the Beast specifications
| Attribute | Value |
|---|---|
| Provider | Iosif Games |
| RTP | 89.96% |
| Volatility | Low-Med |
| Max Win | 2800x |
| Paylines | 100 |
| Layout | 5-4 |
| Min Bet | 0.10 |
| Max Bet | 1000 |
| Technology | JS, HTML5 |
| Released | 2026-09-21 |
Features
Themes
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Where to play for real money
| Casino | Bonus | Rating | Payout | Play now |
|---|---|---|---|---|
| BitStarz | 100% up to $500 + 180 FS | 4.8/5 | Instant | Play now |
| Roobet | 20% rakeback | 4.6/5 | Instant | Play now |
| MyStake | 150% up to $1500 | 4.6/5 | 0-1 hours | Play now |
| Dazard | 100% up to $5000 + 100 FS | 4.6/5 | Instant | Play now |
| Leon | 120% up to $500 | 4.5/5 | 0-1 hours | Play now |