Customs Bay is a KERF Games slot on Stake Engine with 96.01% RTP and a 50,000× max win. Play the Customs Bay 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 500× your bet, and each one's exact odds are broken down below. For real money, Customs Bay is available at Stake.
Every way to play
4 modes · tap one to explore its odds
Cheapest route to the 50,000× max: Base game (1×) — about 10M× your bet staked per hit on average, vs 51M× on super bonus (500×).
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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Customs Bay demo — questions
- Can I play the Customs Bay demo for free?
- Yes. The Customs Bay 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 Customs Bay?
- Customs Bay has an RTP of 96.01%, which means it pays back that share of every amount staked over the long run.
- What is the max win on Customs Bay?
- The max win on Customs Bay is 50,000× your bet. The most likely way to land it is Base game (1× per round), where it hits about 1 in 10,000,003 rounds.
- Does Customs Bay have a bonus buy?
- Yes — Customs Bay has 2 buy options: Bonus buy at 100× your bet; Super bonus at 500× your bet.
- How often does Customs Bay pay?
- In the base game, 1.0% of spins pay back more than they cost and 81.0% pay nothing. These figures come from the full outcome table, not a simulation.
- Who makes Customs Bay?
- Customs Bay is made by KERF Games and was released on Oct 2, 2026. It is published on Stake Engine, so its outcome tables are provably fair.
- Where can I play Customs Bay for real money?
- Customs Bay is available for real money at Stake. Use the "Play at" button on this page to open it at the casino you prefer.