Mine Vault is a Shadduction slot on Stake Engine with 96.03% RTP and a 10,000× max win. Play the Mine Vault demo free above with play money — no deposit and no account needed. It has 6 ways to play, from the base game up to bonus super at 300× your bet, and each one's exact odds are broken down below. For real money, Mine Vault is available at Stake.
Every way to play
6 modes · tap one to explore its odds
Cheapest route to the 10,000× max: Bonus Random (100×) — about 201k× your bet staked per hit on average, vs 19M× on bonus epic (200×).
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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Mine Vault demo — questions
- Can I play the Mine Vault demo for free?
- Yes. The Mine Vault 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 Mine Vault?
- Mine Vault has an RTP of 96.03%, which means it pays back that share of every amount staked over the long run.
- What is the max win on Mine Vault?
- The max win on Mine Vault is 10,000× your bet. The most likely way to land it is Bonus Random (100× per round), where it hits about 1 in 2,005 rounds.
- Does Mine Vault have a bonus buy?
- Yes — Mine Vault has 4 buy options: Bonus Overcharged at 20× your bet; Bonus Random at 100× your bet; Bonus Epic at 200× your bet; Bonus Super at 300× your bet.
- How often does Mine Vault pay?
- In the base game, 2.6% of spins pay back more than they cost and 80.0% pay nothing. These figures come from the full outcome table, not a simulation.
- Who makes Mine Vault?
- Mine Vault is made by Shadduction and was released on Sep 1, 2026. It is published on Stake Engine, so its outcome tables are provably fair.
- Where can I play Mine Vault for real money?
- Mine Vault is available for real money at Stake. Use the "Play at" button on this page to open it at the casino you prefer.