Own-site rules
These rules describe only this original virtual game. This guide does not determine legal availability of an external service, certify its fairness or promise income. The own-site 18+ restriction is not a statement about every jurisdiction’s legal age.
Left and right, not top and bottom
Choose 3, 4 or 5 hazards on a 4×4 board. Hazards must touch both the left and right edges, while they must not touch both top and bottom edges together. Touching only the top, only the bottom, or neither is allowed. All 124, 475, 1048 legal layouts respectively are equally likely and remain fixed during a round. Connectedness is not required.
Wallet and manual restore
Settled balance and fractional payout carry persist in localStorage. Reloading during a round ends it without refunding its already deducted stake. Outside a round, refill restores 1000 coins when balance is below the smallest stake; it does not add 1000 or reset fractional carry. Hazard count, stake and refill are locked during play.
Technical data
There are no account, payment or identity-document forms here. Fonts, the visit counter, server and CDN requests can expose technical data including IP and browser details. Complete anonymity, third-party data use and cookie lifetimes are not established. Clearing cache alone may leave localStorage intact.
Explore the original free Edge Span Mines demo.