19+

Book of Monsters free demo

A slot where blocks of five or more connected matching symbols win, and symbols from 3×3 up to 7×7 can randomly hit on any spin.

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Demo by Pragmatic Play, virtual credits only. Updated .

Book of Monsters slot by Pragmatic Play

How Book of Monsters works

Four to seven bonus symbols trigger 5-8 free spins with a random Fat symbol, and you can gamble for more spins or a higher-paying Fat symbol. When enough matching symbols land, the Fat symbol grows from 1×1 to 7×7, awarding 1-3 free spins each time.

Before you play

Try a short demo session first to see how the base game feels before you play for real money. A demo uses the same rules and maths as the real-money version, only with virtual credits.

Play this slot for real money

Casinos that accept Canadian players. Compare offers on casino bonuses before you deposit.

Not available to residents of Ontario. 19+ (18+ in Alberta, Manitoba and Quebec).

  • N1Bet

    Welcome package $10,000 + 200 FS over four deposits. Payments shown: Interac, Visa, Mastercard, Apple Pay and more.

    Visit N1Bet

  • RollXO

    Welcome package $20,500 + 250 FS over four deposits. Payments shown: Visa, Mastercard, Apple Pay, Bank Transfer and more.

    Visit RollXO

  • LuckyHunter

    Welcome package $25,000 + 350 FS over four deposits. Payments shown: Interac, Visa, Mastercard, Apple Pay and more.

    Visit LuckyHunter

Offers as shown on each casino's Canadian page on 19 October 2026. Wagering and other bonus rules are set by the casino, so read them on the casino site. We may earn a commission if you sign up through these links.

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