Play'n GO · 96.59% RTP

Tome of Madness

Tome of Madness is a Lovecraftian 5x5 cluster pays slot inspired by the Cthulhu mythos. Fill the Portal meter through cascading wins to unlock Wild Mega and Other World free spins. The Abyss feature offers a final chance at big wins.

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RTP

96.59%

Volatility

high

Max Win

2,000x

Min Bet

$0.10

Max Bet

$100

Paylines

Cluster Pays

Reels

5x5

Released

2019

Use code

RAKER

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Features

Cascading WinsPortal EffectsWild Mega
Theme: LovecraftianReleased: 2019

Strategy

Fill the Portal meter (42 symbols) to trigger the Other World bonus where all Portal effects are active simultaneously. The Wild Mega symbol (2x2) is key to large cluster wins. Consistent small cluster wins build toward the bonus activation.

Use code

RAKER

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Provider

Play'n GO Games on Stake

FAQ

Last updated 2026-02-24

Gambling involves risk. Please gamble responsibly. 18+ only.

Promo CodeRAKER
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