Spooky season has arrived, and Crimson Castle is right on time. This 5x3 slot from Real Time Gaming drops you outside a cursed castle under a blood-red moon, where Golden Coins, Moon collectors and random multipliers fuel a Hold & Spin feature with three fixed jackpots on the line.
It is a compact game with just 10 paylines, but almost everything interesting happens in the bonus. Here is how Crimson Castle works, who it suits, and where to play it.
Crimson Castle at a Glance
| Feature | Detail |
|---|---|
| Provider | Real Time Gaming (RTG) |
| Reels / Rows | 5 x 3 |
| Paylines | 10, left to right |
| Volatility | Medium |
| Wilds | Yes, substitute for all non-Special Symbols |
| Main Feature | Hold & Spin, triggered by 6+ Special Symbols |
| Jackpots | Mini, Minor and Major (fixed prizes in Hold & Spin) |
| Extras | Random multipliers, Moon collector, Triggering Moon Feature, Buy Feature |
| Top Award | 50,000x bet per line |
| Platforms | Download, Instant Play, Mobile |
What Is Crimson Castle?
Crimson Castle is a medium-volatility, 10-payline Halloween slot from RTG built around a Hold & Spin feature, where Golden Coins, Moon collector symbols and random multipliers combine, and Mini, Minor and Major jackpot symbols can land.
The base game is simple: 10 lines, wins paying left to right, and a Wild that stands in for all regular symbols. The real draw is the Special Symbols, because six of them anywhere on the reels sends you into the feature.
How the Hold & Spin Feature Works
Land 6 or more Special Symbols anywhere on the reels to trigger Hold & Spin. The Special Symbols are:
- Golden Coins, which each show a prize value
- Moon Symbols, which collect other prizes
- Mini, Minor and Major Symbols, which award those jackpot prizes
When the feature starts, every Special Symbol locks in place and you get 3 respins. Each time a new Special Symbol lands, it locks too and the respin counter resets to 3. The feature ends when you run out of respins without landing anything new, and you are paid the total value of everything on the board.
The Moon Symbol: The Castle's Collector
When a Moon Symbol lands during Hold & Spin, it collects the current values of every Special Symbol on the board, including any Mini, Minor and Major prizes, and adds them to its own value. It also resets the respin counter to 3, so a Moon is good news twice over.
Random Multipliers
During Hold & Spin, multipliers can be randomly placed on positions on the board, including empty ones. If a Special Symbol later lands on that spot, the multiplier applies to its value. When a second multiplier lands on a position that already has one, the two are added together, so a single square can keep growing. Multipliers kick in when the feature ends or when a Moon collects that value.
This is where the "curse grows stronger" idea comes from: a Moon collecting a board full of multiplied Coins is the game's big moment.
The Triggering Moon Feature
Sometimes you land a few Special Symbols but not quite six. Whenever at least one Special Symbol is on the board, the Triggering Moon Feature can kick in at random and add enough extra Special Symbols to reach six, sending you straight into Hold & Spin.
Buy Feature
Crimson Castle includes a Buy Feature for players who want to go straight to the action by purchasing a triggering spin. Availability can depend on the casino, and buying features costs more than a normal spin, so set a budget before you use it.
Is Crimson Castle Worth Playing?
Crimson Castle suits players who love Hold & Spin and collector mechanics and want a seasonal slot with real feature depth. Medium volatility keeps it balanced, but with only 10 paylines, expect most of the excitement to come from the bonus rather than base-game line wins.
What We Like
- Respins that reset with every new Special Symbol, so a good feature can run long
- Stacking multipliers combined with the Moon collector give real upside
- The Triggering Moon Feature rescues near-miss spins
- HD and SD graphics modes, so it runs smoothly on older devices
What to Know
- 10 paylines make the base game fairly quiet
- The jackpots are fixed prizes, not progressives
Can You Play Crimson Castle on Mobile?
Yes. Crimson Castle is available on mobile, in Instant Play and in the downloadable casino client. If the animations stutter on your device, you can switch from HD to SD mode on the loading screen or in the settings menu without losing any sound.
Where to Play Crimson Castle
Crimson Castle is an RTG slot, so you will find it at RTG-powered casinos that accept US players, including our reviewed picks:
- Platinum Reels
- Diamond Reels
Crimson Castle is eligible for free spins promotions, so it is worth checking for Halloween offers before you play. Compare current deals on our casino bonuses page.
Crimson Castle FAQ
Who makes the Crimson Castle slot?
Crimson Castle is made by Real Time Gaming (RTG).
How do you trigger Hold & Spin in Crimson Castle?
Land 6 or more Special Symbols (Golden Coins, Moon, Mini, Minor or Major) anywhere on the reels. The Triggering Moon Feature can also add Special Symbols at random to reach six.
Does Crimson Castle have jackpots?
Yes. Mini, Minor and Major jackpot symbols can land during Hold & Spin. They are fixed prizes, not progressive jackpots.
What does the Moon Symbol do in Crimson Castle?
It collects the values of all Special Symbols on the board, including jackpot prizes, adds them to its own value and resets the respins to 3.
How many paylines does Crimson Castle have?
Crimson Castle has 10 paylines across 5 reels and 3 rows, paying left to right.
Can I buy the bonus in Crimson Castle?
Yes. The game has a Buy Feature for purchasing a triggering spin, though availability can vary by casino.
Final Verdict
Crimson Castle keeps the base game lean and puts its energy into one well-built feature. Resetting respins, a Moon collector that sweeps up jackpot prizes, and multipliers that stack on the same square give its Hold & Spin plenty of room to grow.
If you want a Halloween slot for October with more substance than a costume change, it is a strong pick.
Want more new RTG releases? Read our Fú Lóng Treasures review and Treasure Sparks review, or browse all our game reviews.
18+ · Gamble responsibly. Only play with money you can afford to lose. If gambling stops being fun, call 1-800-GAMBLER.
