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Last Updated on 28 Oct 2026
8 min read
| Game Developer | Play'n GO |
|---|---|
| Release Date | June 2019 |
| RTP | 96.59 |
| Volatility | high |
| Bonus Feature |
| Bonus Rounds | |
|---|---|
| Free Spins | |
| Quickspin Feature | |
| Gamble Feature | |
| Mulitplier |
| Autoplay | |
|---|---|
| Progressive Jackpot | |
| Configurable Winlines | |
| Min. Bet | 0.1000 |
| Max. Bet | 100.00 |
What drew me into Rich Wilde and the Tome of Madness was the portal mechanic and how each cluster win charges up game-altering effects. It hooked me fast. Unlike typical slots, you’re working toward unlocking the Other World Free Round by chaining together as many symbol wins as possible.
Here, Play’n GO uses a 5×5 grid with cluster pays instead of traditional paylines. The 96.59% RTP and generally rated high volatility mean each spin can feel tense, especially as you approach the 2,000x max win. If you enjoy games that combine cascading reels, feature build-up, and detailed themes, this one is worth a look.
I liked how the Cthulhu Mythos touches were integrated, so every feature and bonus feels tied to the story. For more slots with creative mechanics, check out the full slots library.
Rich Wilde and the Tome of Madness uses a 5-reel, 5-row grid. Instead of paylines, wins are formed by landing clusters of at least four matching symbols connected left to right on adjacent reels.
Every spin has a cascading reels mechanic. When you land a win, the winning symbols disappear and new symbols drop down, potentially forming additional clusters.
Key mechanics include:
The gameplay is about chaining wins, charging up the portal, and triggering as many wild and bonus effects as possible.

Rich Wilde and the Tome of Madness has an RTP of 96.59 percent. This figure represents the average return to player over a very large number of spins.
The slot is generally rated as high volatility. This means wins may be less frequent, but the potential for larger prize values is higher when they do land.
This type of slot tends to have longer periods without significant wins, followed by the possibility of hitting a large cluster or bonus. Players should be prepared for swingy sessions and plan their budgets accordingly.

All symbol wins in Rich Wilde and the Tome of Madness are based on forming clusters of at least four matching symbols. The highest value symbol is the Cthulhu Amulet, followed by the Dagger, Diamond Ring, Cthulhu Mask, and colored stones. Wilds and special wilds help to complete clusters and unlock bonus effects.
All values in the table below are multiples of the total spin.
| Symbol | 4-of-a-kind | 5-of-a-kind | 6-of-a-kind | 7-of-a-kind | 8-of-a-kind | 9-of-a-kind | 10-of-a-kind |
|---|---|---|---|---|---|---|---|
| Cthulhu Amulet | 2x | 4x | 8x | 16x | 32x | 50x | 100x |
| Dagger | 1.5x | 3x | 6x | 12x | 24x | 30x | 60x |
| Diamond Ring | 1x | 2x | 4x | 8x | 16x | 20x | 40x |
| Cthulhu Mask | 0.7x | 1.5x | 3x | 6x | 12x | 15x | 30x |
| Purple Stone | 0.4x | 0.6x | 1x | 2x | 4x | 4.5x | 6x |
| Red Stone | 0.3x | 0.5x | 0.8x | 1.6x | 3.2x | 4x | 5x |
| Blue Stone | 0.2x | 0.4x | 0.6x | 1.2x | 2.4x | 3x | 4x |
| Green Stone | 0.1x | 0.2x | 0.3x | 0.6x | 1.2x | 1.5x | 2x |
Special symbols include the Rich Wilde wild (which doubles wins it helps trigger) and the Tome of Madness wild, which can activate portal effects. Eye marks and the Mega Wild Cthulhu appear as bonus triggers, not as paytable symbols.

The maximum win in Rich Wilde and the Tome of Madness is 2,000 times your total spin. This top prize value is possible during the Other World Free Round, where the portal, wilds, and Mega Wild Cthulhu mechanics combine for the largest wins.
Slot outcomes are determined by a random number generator, so no strategy can influence the results. When I played the demo, I only triggered the Other World round on spins where cascades chained three or four times in a row. Those longer winning chains really matter.
Starting with smaller spin amounts can help you get a sense of how often the portal and bonus features trigger. The game’s high volatility can mean longer dry spells between bigger wins.
You can switch on turbo spin if you prefer a faster pace. Autoplay is there if you want to run multiple spins in sequence. Just stay aware of your balance. Remember, past spins never affect future outcomes.

The game uses a 2D illustrated art style with dark, atmospheric detailing. Behind the grid sits a mysterious occult chamber, with books, candles, and eldritch symbols surrounding the reels.
When you hit a cluster win, the symbols pulse and vanish with a swirling animation before new ones drop in. Big clusters look great exploding. Eye marks and portal effects trigger glowing visual cues, adding to the supernatural vibe.
You’ll hear an ominous orchestral soundtrack with occasional choral bursts. The sound of cascading symbols and deep bell tones stands out during wins or bonus triggers.
You can play the Rich Wilde and the Tome of Madness demo for free right here on Gamesville with no download or account needed. For US players, sweepstakes casinos offer legal access to slots in most states. See our sweepstakes casinos guide for details.
Online casinos are available in licensed states including NJ, PA, MI, WV, and CT. Find licensed options on our online casinos page.
Slots should be a bit of entertainment, not a way to make money. Decide on a personal spending limit before you play, and consider tools like session timers, time-outs, or self-exclusion if you need them.
If playing stops feeling fun or in your control, pause and take a break. If that keeps happening, talking to someone you trust or using the support in our responsible play guide can help.
Rich Wilde and the Tome of Madness is best if you like high-volatility slots with complex features and a strong narrative theme. If you enjoy working toward bonus rounds and like grids that can produce long cascades, this game may be a match.
Its biggest strength is the portal system that turns each base game spin into a way to build up wilds and special effects. The Other World Free Round, with its Mega Wild Cthulhu, offers a bonus that feels genuinely different from standard free spins. The bonus is the game.
The big drawback is the high volatility, which can mean long stretches without triggering the main features. Some players may find the bonus tough to reach compared to more straightforward slots.
After playing the demo, I had sessions where the portal stayed cold for many spins, then suddenly erupted into an Other World round that dwarfed the base game hits. I’d keep spins lower until the first bonus lands, because the gap between base game and bonus returns is bigger than it looks.
You have a few close relatives here.
The RTP of Rich Wilde and the Tome of Madness is 96.59 percent. This means that, on average, the game returns 96.59 dollars for every 100 dollars played over a very large number of spins.
The game is generally rated as high volatility. Wins may be less frequent, but the potential for larger prize values is higher than in low or medium volatility slots.
Bonus features include cascading reels, a portal meter that unlocks wilds and special effects, eye marks that add wilds, and the Other World Free Round. The bonus round can activate a Mega Wild Cthulhu symbol for higher win results.
This slot does not use traditional paylines. Instead, it uses a cluster pay system where four or more matching symbols in a cluster form a win.
The maximum win is 2,000 times your total spin. The largest prize values are possible during the Other World Free Round and the Mega Wild Cthulhu feature.
Yes, you can play the demo of Rich Wilde and the Tome of Madness for free on Gamesville. No download or registration is required to try the game in demo mode.
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