24
X24 Originals

Mines

Reveal safe tiles. Dodge the bombs. Cash out any time.

RTP99%
House edge1%
Provably fairHMAC-SHA256
Bet range€0.10 – €100

Overview

Mines is the crypto casino take on Minesweeper. You bet, pick how many mines to hide on a 5×5 board (1–24), then reveal tiles one at a time. Each safe tile boosts the multiplier. Hit a mine and you lose. Cash out any time. The only real decision is when to stop.

How to play Mines

  1. 1
    Choose number of mines (1–24). Fewer mines = slower multiplier growth, safer reveals.
  2. 2
    Place your bet. Mines are placed deterministically from HMAC-SHA256 before you reveal anything.
  3. 3
    Click a tile to reveal it. Safe tile = multiplier increases. Mine = round ends, bet lost.
  4. 4
    Cash out at any point to lock in current multiplier × bet.
  5. 5
    Once the round ends (mine hit or cashout), the mine positions are revealed for verification.

The math

Multiplier after k safe reveals with m mines: (1 − houseEdge) × C(25, k) / C(25−m, k). With 3 mines, 5 reveals = 1.92x. 10 reveals = 5.56x. All 22 reveals = 2,640x. Probability of clearing N tiles drops geometrically — the exponential multiplier growth exactly compensates, keeping EV flat at 99%.

Strategy notes

  • 3 mines is the sweet spot: 5–8 reveal cashouts happen often enough to stay engaging, deep runs are still possible.
  • Pre-commit to a cashout reveal count. Emotion-driven 'one more click' destroys the EV advantage of discipline.
  • Mine positions are random — there is no 'pattern' to read. Any streak you see is confirmation bias.
  • High mine counts (10+) produce big payoffs fast but brutal variance. Bankroll needs to handle long losing streaks.

FAQ

Can I use strategy to 'read' where mines are?

No. Mine positions are set by HMAC-SHA256 before you click anything — there is no observable pattern.

Is Mines skill-based?

Partially. The EV is fixed by the formula, but your cashout decision affects variance dramatically. Skill = discipline in pre-committing to a target.

What's the best mine count?

For engagement: 3 mines. For high variance runs: 10+. Every count has the same 99% EV, so pick based on how you want the session to feel.

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