Book Of Darkness is a traumatic play slot on Stake Engine with 96.70% RTP and a 20,000× max win. Play the Book Of Darkness demo free above with play money — no deposit and no account needed. It has 4 ways to play, from the base game up to super bonus at 200× your bet, and each one's exact odds are broken down below. For real money, Book Of Darkness is available at Stake.
Every way to play
4 modes · tap one to explore its odds
Cheapest route to the 20,000× max: Bonus buy (100×) — about 300k× your bet staked per hit on average, vs 11M× on ante bet (3×).
Base game
Base game · 1× your bet per spin · A normal spin at 1× your bet.
Odds explorer
Pick a payout and read the exact chance, straight from Engine's provably-fair outcome table.
Demos use play money. Maths computed by circus.fyi from Engine's published provably-fair tables — every outcome a mode can produce and how often, nothing sampled.
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Book Of Darkness demo — questions
- Can I play the Book Of Darkness demo for free?
- Yes. The Book Of Darkness demo on circus.fyi runs the real game from Stake Engine with play money, so you can try every feature without a deposit or an account.
- What is the RTP of Book Of Darkness?
- Book Of Darkness has an RTP of 96.70%, which means it pays back that share of every amount staked over the long run.
- What is the max win on Book Of Darkness?
- The max win on Book Of Darkness is 20,000× your bet. The most likely way to land it is Bonus buy (100× per round), where it hits about 1 in 3,000 rounds.
- Does Book Of Darkness have a bonus buy?
- Yes — Book Of Darkness has 2 buy options: Bonus buy at 100× your bet; Super Bonus at 200× your bet.
- How often does Book Of Darkness pay?
- In the base game, 13.5% of spins pay back more than they cost and 86.5% pay nothing. These figures come from the full outcome table, not a simulation.
- Who makes Book Of Darkness?
- Book Of Darkness is made by traumatic play and was released on Sep 7, 2026. It is published on Stake Engine, so its outcome tables are provably fair.
- Where can I play Book Of Darkness for real money?
- Book Of Darkness is available for real money at Stake. Use the "Play at" button on this page to open it at the casino you prefer.