Mines

Parlay tension on a five-by-five grid

Mines turns one bet into a chain of micro-decisions: stop now or open another tile. The mine layout is fixed when the round starts. Click order does not change EV. What changes is how much variance you accept. Three mines and cash out after one tile is almost flat. Twenty-four mines and five picks is a lottery ticket.

The bias to open "just one more" tile is how players lose more than 1% edge in practice. Pick a target multiplier before the first click and treat it like a rule, not a suggestion.

How Mines works

Pick mine count (1-24). Place a bet. Click tiles one by one. Each safe tile bumps the running multiplier, the more mines, the bigger the jump per pick. Hit cash-out at any point to bank current multiplier × stake. Hit a mine and the round ends with a loss. Keep going for bigger multiplier; cash out for guaranteed return.

Auto mode can open a fixed number of tiles per round or run many rounds with stop-on-profit and stop-on-loss. Useful when you want thousands of picks without manual clicks.

Mines rules at a glance

Mine positions set at round start. Verify them after with seeds.

Picks per round and EV math

EV per round is the same regardless of how many tiles you uncover, long-run return is fixed at 99%. What changes is variance: 3 mines + cash out at 1 tile is near-flat; 24 mines + 4 picks is a coin-flip parlay paying 100×+. Pick a target multiplier in advance (3×, 5×, 10×) and stick to it, the bias to chase 'one more tile' is the only real way to lose money on Mines.

Corner-first and diagonal patterns do not change mine probability. Every unrevealed tile has the same chance of being a mine given the current board state.

How to verify a Mines round

At round-start, the mine positions are derived from HMAC-SHA-256 of the seed pair + nonce, mapped through a public shuffle to the 25 grid positions. Verify by recomputing the digest and confirming the same 25-position permutation the casino used.