Independent query guide
This independent Air 186 guide supplies its own free Unique Crowding Mines demo. Operator identity, domains, licence, apps, payments, support and commercial game equivalence have not been independently verified. No operator account or commercial link is supplied here.
One strict maximum per axis
Choose 3, 4 or 5 hazards on a 4×4 board. Exactly one row must contain strictly more hazards than every other row, and exactly one column must contain strictly more hazards than every other column. Ties for either maximum are illegal. The leading row and leading column need not have the same count. All 144, 1008 or 1632 legal layouts respectively are equally likely and remain fixed during a round.
Exact conditional value
Live value starts at 0.97 times the virtual stake. A safe reveal divides it by that cell’s exact conditional safe probability among the remaining compatible legal layouts. A hazard ends the round with zero return. Reveals change knowledge, not the hidden layout.
Legal and illegal maxima
With 3 hazards, A1, A2 and B1 is legal: row A has two hazards and column 1 has two, strictly leading the other rows and columns. A1, A2 and A3 is illegal because columns 1, 2 and 3 tie for the largest count. C3, C4 and D3 is another legal pattern; there is no preselected leading row or column.
Collect and unavailable choices
Collect is available after a safe reveal. Proven hazards are unavailable; proven-safe cells have probability 1 and add no value. A choice with next value above 1000 times stake is unavailable. When no eligible uncertain choice remains, the current value is banked automatically. The guard is not a promise that 1000×stake can be reached.
Expected return
Exact expected return is 97% for permitted stopping policies. The initial 3% reduction is applied once; conditional safe-branch compensation preserves expectation. Choosing coordinates or stopping changes risk and variance, not this expectation. A short session is not guaranteed to match it.
Wallet and restoring balance
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.
Checking external claims
A matching brand, professional design, search result or HTTPS connection does not verify ownership, authorisation or safety. Match any claim against an independent regulator register, including entity, current status, scope and listed domains. No operator licence or service is endorsed here.
Time and coin limits
This demo is restricted to adults 18+ and uses coins without cash value or prizes. Set session time and virtual-coin limits before playing, then stop at those limits. Raising a stake to recover losses does not improve expectation. If playing affects responsibilities or becomes hard to control, stop and seek suitable independently verified local support.
Local virtual coins
Local demo coins cannot be exchanged for money, withdrawn or used as evidence of an operator balance. Settings return to the interface defaults on reload; settled wallet and fractional carry persist. The game is not an authentication or external-security test.
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.
Frequently asked questions
Is this an operator website?
This independent Air 186 guide supplies its own free Unique Crowding Mines demo. Operator identity, domains, licence, apps, payments, support and commercial game equivalence have not been independently verified. No operator account or commercial link is supplied here.
What are the coordinate sum rules?
Choose 3, 4 or 5 hazards on a 4×4 board. Exactly one row must contain strictly more hazards than every other row, and exactly one column must contain strictly more hazards than every other column. Ties for either maximum are illegal. The leading row and leading column need not have the same count. All 144, 1008 or 1632 legal layouts respectively are equally likely and remain fixed during a round.
How is value calculated?
Live value starts at 0.97 times the virtual stake. A safe reveal divides it by that cell’s exact conditional safe probability among the remaining compatible legal layouts. A hazard ends the round with zero return. Reveals change knowledge, not the hidden layout.
Which coordinate example is legal?
With 3 hazards, A1, A2 and B1 is legal: row A has two hazards and column 1 has two, strictly leading the other rows and columns. A1, A2 and A3 is illegal because columns 1, 2 and 3 tie for the largest count. C3, C4 and D3 is another legal pattern; there is no preselected leading row or column.
When can I collect?
Collect is available after a safe reveal. Proven hazards are unavailable; proven-safe cells have probability 1 and add no value. A choice with next value above 1000 times stake is unavailable. When no eligible uncertain choice remains, the current value is banked automatically. The guard is not a promise that 1000×stake can be reached.
Does 97% guarantee a result?
Exact expected return is 97% for permitted stopping policies. The initial 3% reduction is applied once; conditional safe-branch compensation preserves expectation. Choosing coordinates or stopping changes risk and variance, not this expectation. A short session is not guaranteed to match it.
What survives reload?
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.
What technical data may be exposed?
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.
Are external services verified?
A matching brand, professional design, search result or HTTPS connection does not verify ownership, authorisation or safety. Match any claim against an independent regulator register, including entity, current status, scope and listed domains. No operator licence or service is endorsed here.
How can I limit play?
This demo is restricted to adults 18+ and uses coins without cash value or prizes. Set session time and virtual-coin limits before playing, then stop at those limits. Raising a stake to recover losses does not improve expectation. If playing affects responsibilities or becomes hard to control, stop and seek suitable independently verified local support.
Explore the original free Unique Crowding Mines game.