Independent query guide · virtual-coin demo

KT88 Anti Diagonal Alternation: Rules and Demo

The official website of kt88.

This guide explains the mechanics of Anti Diagonal Alternation, a four-by-four Mines variant available on the independent demo site kt88.top. The demo uses a virtual wallet with no account login or external cash-out flow. The game draws boards uniformly from a constrained support defined by the selected mine count and the anti-diagonal alternation rule. Gross payouts are calculated based on the ratio of initial to remaining support, capped at 1000 times the stake.

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Anti Diagonal Alternation

For players in the Philippines, this free demo allows you to test the game’s volatility without risking real money. Since this is an informational site, please verify current payment methods like GCash or Maya directly with the operator, as these details may change.

Board Support and Mechanics

The game uses a 4x4 grid (16 cells). The board is drawn uniformly from all configurations where the mine count matches the selected setting and satisfies the anti-diagonal occupancy alternation rule. This creates an exact finite support set rather than a random draw from all possible boards.

Each safe reveal filters this support. The gross payout quote is determined by the formula: Gross Quote = 0.96 × Captured Stake × Initial Support Size / Current Compatible Support Size. Cells with zero conditional safe probability or those exceeding the 1000x stake cap are disabled. When no eligible cells remain, the current quote is automatically banked.

What Philippine Players Should Check Before Playing

If you are playing from the Philippines, remember that this is a free demo site. You are not depositing real Philippine pesos (PHP) here. However, when you move to the actual operator’s platform, you should verify several key details. First, check if the operator holds a valid license from PAGCOR, the national regulator, to ensure fair play. Second, confirm which local payment methods are supported for real-money play, such as GCash or Maya, and check for any transaction fees. Finally, ensure you are of legal gambling age in the Philippines.

  • Verify PAGCOR licensing status on the operator’s official site.
  • Check if GCash or Maya are supported for deposits and withdrawals.
  • Confirm that the site uses SSL encryption for data security.

Payouts and Constraints

FeatureDetail
Gross MultiplierCalculated as 0.96 × (Initial Support / Remaining Support).
Cap LimitAny safe reveal that would exceed 1000 times the stake is disabled. The quote is automatically banked if no eligible reveals remain.
Stake LockCaptured stake and mine count remain locked throughout the active round.
RefillNo automatic refill occurs during an active round. Manual refill is only available when idle and balance is below 10, setting the wallet to exactly 1000.

Exact Math Evidence and RTP

The exact gross RTP is 0.96 across all modes. Simulation measurements provide supporting observations but are not the mathematical law. Fractional carry persists across settlement, refill, and reload.

MinesPolicyExact RTPMeasured RTPSurviving Boards
300.9696.065%22
350.9695.849%1
400.9696.048%110
450.9696.535%1
500.9695.906%330
550.9696.626%1

Wallet and Persistence

The demo wallet uses browser localStorage for settled balance and fractional carry. There is no account login flow. If the balance is below 10 while idle, a manual refill sets the balance to exactly 1000. Unfinished rounds end without refund or resume upon reload. Fractional carry is preserved across these events.

Controls and Modes

Controls are locked during an active round. Stake, mine count, and refill are unavailable until the round ends. Manual bank becomes available only after at least one safe reveal. Sound remains available throughout. There is no auto queue; all actions are manual.

Privacy and Audience

The template declares a Google Fonts stylesheet; actual browser request capture is pending. This does not establish anonymity or exclude other processing. The intended audience is 18+, which is this guide’s policy, not a claim about local law or an implemented age gate. Virtual coins have no cash value.

Frequently asked questions

How is the board support defined?

The board is drawn uniformly from all 4x4 configurations with the selected mine count that satisfy the anti-diagonal occupancy alternation rule. This creates a specific finite support set, not a random draw from all possible boards.

What happens if no eligible reveals remain?

The current quote is automatically banked. Cells whose safe quote would exceed 1000 times the stake are disabled before a reveal.

Does the wallet refill automatically?

No. A manual refill is only available when idle and the balance is below 10, setting the wallet to exactly 1000. No automatic replenishment occurs during or after rounds.

Is this KT88 demo site official?

No, this is an independent informational website. It does not process real money deposits or withdrawals. You are playing with virtual coins only.

Do I need to pay to play the demo?

No, the demo game is completely free. You do not need to use PHP or link GCash/Maya to play the demo version on this site.