Harrys Derby is a cnbs slot on Stake Engine with 96.70% RTP and a 10,000× max win. Play the Harrys Derby demo free above with play money — no deposit and no account needed. It has 5 ways to play, from the base game up to gold at 250× your bet, and each one's exact odds are broken down below. For real money, Harrys Derby is available at Stake.
Every way to play
5 modes · tap one to explore its odds
Cheapest route to the 10,000× max: Hottip (5×) — about 44,690× your bet staked per hit on average, vs 1.0M× on base game (1×).
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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Harrys Derby demo — questions
- Can I play the Harrys Derby demo for free?
- Yes. The Harrys Derby 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 Harrys Derby?
- Harrys Derby 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 Harrys Derby?
- The max win on Harrys Derby is 10,000× your bet. The most likely way to land it is Hottip (5× per round), where it hits about 1 in 8,938 rounds.
- Does Harrys Derby have a bonus buy?
- Yes — Harrys Derby has 3 buy options: Copper at 10× your bet; Silver at 25× your bet; Gold at 250× your bet.
- How often does Harrys Derby pay?
- In the base game, 17.0% of spins pay back more than they cost and 60.0% pay nothing. These figures come from the full outcome table, not a simulation.
- Who makes Harrys Derby?
- Harrys Derby is made by cnbs and was released on Oct 17, 2026. It is published on Stake Engine, so its outcome tables are provably fair.
- Where can I play Harrys Derby for real money?
- Harrys Derby is available for real money at Stake. Use the "Play at" button on this page to open it at the casino you prefer.