Independent query guide · virtual-coin demo

AA555 Demo: Questions on Mechanics, Limits and Controls

The official website of aa555. This independent guide presents the AA555 "Prefix Ballot Rows" demo. It operates under specific mathematical constraints distinct from standard Mines games. The board is a four-by-four grid where the mine placement is not random across all possibilities but is drawn uniformly from a subset of boards that satisfy a "prefix ballot" rule: for every length from one to four, the number of mines in the top rows must be at least the number of mines in the left columns. This constraint creates a finite support set that changes as safe cells are revealed.
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How the Board Support Works

The core mechanic of AA555 is the Prefix Ballot constraint. When you select a mine count (e.g., 3 mines), the game does not pick from all possible 4x4 boards. Instead, it selects uniformly from only those boards where the mine distribution satisfies the prefix rule.

For example, with 3 mines:

  • If cell 0 (top-left) is safely revealed, the remaining support size is 204 boards.
  • If cells 0, 1 and 2 are all safely revealed, the remaining support size is 101 boards.

This support size is critical because it directly determines your potential payout. The fewer compatible boards remain, the higher the gross quote for the next safe reveal.

Payout Formula and Gross Returns

Gross return = 0.96 × the stake selected at the start of the round × initial support count / current compatible support count. The captured stake stays fixed; it does not include later quotes or winnings. A mine returns zero. Gross return includes the original stake; net return is gross return minus that stake. The factor gives an exact gross expected return of 96%, not a guaranteed session result.

The 1000x Cap and Auto-Banking

A covered cell is disabled if its conditional safe probability is zero or if its potential safe gross return would exceed 1000 times the fixed stake. A cell that is certainly safe remains eligible when within the cap. Automatic settlement occurs after all safe cells are revealed or when no eligible reveal remains; one disabled cell alone does not end the round. Manual cashout becomes available after at least one safe reveal. Stake and mine count remain fixed until settlement.

Controls and Modes

The board is 4×4. Select exactly 3, 4 or 5 mines and a stake of 10, 20, 50, 100 or 200 virtual coins before starting. Click covered eligible cells manually; there is no automatic reveal queue. Manual cashout becomes available after one safe reveal. Sound remains available during play.

Wallet and Refill Mechanics

The wallet starts with 1000 virtual coins. Available stakes are 10, 20, 50, 100 and 200; the selected stake is debited and saved when a round starts. Stake and mine count stay fixed during that round.

At settlement, the game credits floor(gross return + previously saved fractional carry), then saves the remaining fraction. A mine returns zero. The carry survives settlement, refill and reload.

When idle with fewer than 10 coins, manual refill sets the integer balance to exactly 1000; it does not add 1000. Reloading abandons an unfinished round without refund or resume. The saved balance includes its already-debited stake. Clearing cached files alone may leave localStorage intact.

Privacy and Data Storage

The demo uses browser localStorage to store your current balance and fractional carry. This is local to your device.

  • No Anonymity Guarantee: While there is no account, the absence of account controls does not prove that no other personal data is processed elsewhere.
  • Third Parties: The template declares a Google Fonts stylesheet. Other processing is not confirmed or denied by this demo.
  • Caching: Clearing cached files may leave local storage data intact if not explicitly cleared.

Frequently asked questions

What is the Prefix Ballot rule?

It is a constraint where, for each prefix length from one to four, the number of mines in the top rows is at least the number of mines in the left columns. This limits the set of possible boards from which the game draws uniformly.

How is the payout calculated?

Gross Quote = 0.96 × Captured Stake × (Initial Support Count / Current Compatible Support Count). The 0.96 is a fixed factor. The support ratio can increase after a safe reveal and stays unchanged for a certainly safe cell.

What happens if I hit a mine?

The round ends immediately, and the gross return is zero. Your captured stake is lost.

Is there a maximum payout cap?

Yes. Any reveal that would exceed a 1000x stake multiplier is disabled. If no eligible reveals remain due to the cap, the current quote is automatically banked.

How do I refill my balance?

You can manually refill only when idle and your balance is below 10. This sets your balance to exactly 1000. You cannot refill during an active round.

Does the game save my progress if I close the tab?

The current wallet and fractional carry persist, including the stake already deducted when a round started. The unfinished board is discarded on reload without refund or resume.

Is fractional carry preserved?

Yes. Settlement adds gross return to the previously saved fractional carry, credits the integer part of that sum, and saves its fractional remainder. The carry survives settlement, refill and reload.

What are the available mine counts?

Exactly 3, 4 or 5 mines. Their legal supports contain 255, 792 and 1848 boards respectively.

Is there a minimum bet?

Available stakes are 10, 20, 50, 100 and 200 virtual coins. The minimum selectable stake is 10. The selected stake is debited when the round starts and remains fixed.

Can I auto-queue reveals?

No. There is no auto queue. You must manually click cells to reveal them.

Is this a real casino app?

No. This is an independent demo guide. It uses virtual coins with no cash value, no account login, and no external payment processing.

What data is stored locally?

The current balance and fractional carry are stored in browser localStorage. This does not establish anonymity or exclude other processing by third parties like Google Fonts. The HTML also declares a Statinside script and a Statinside pixel for browsers without JavaScript; actual requests depend on the browser.