Currently, no official APK or mobile application has been supplied or verified for this guide. The game runs entirely within your web browser. There is no account login flow, no external cashier, and no deposit or withdrawal of real currency. The virtual coins used here have no cash value and are reset manually if the balance falls below the threshold.
Browser Demo vs. APK Status
The current demo is a self-contained web application. It does not require installation, sideloading, or permission grants typical of native apps.
- No Official APK: No verified APK file is supplied by this guide. Any APK found elsewhere is unverified and not guaranteed to match the demo's mechanics.
- Browser-Based: The game logic, including the Pair Gcd Square Mines board and payout rules, is executed locally in the browser.
- No Account Required: There is no login process. Your progress and balance are stored locally in your browser's storage.
What Philippine Players Should Check
When playing the TBBB demo in the Philippines, it is important to understand that this is a free, independent experience. If you decide to move to a real-money version later, you must verify the currency and payment options yourself. Most local players prefer using PHP (Philippine peso) for real transactions. You should check if the operator accepts popular local e-wallets like GCash and Maya, as these are the most convenient methods for funding accounts in the country.
You should also verify the regulatory status. The PAGCOR is the national regulator for gambling in the Philippines. Ensure the operator holds a valid license from them before depositing real money. Here are practical safety steps you should take:
- Check the operator’s website footer for a PAGCOR license number and click to verify it on the official regulator site.
- Confirm that GCash and Maya are listed as supported deposit methods in the cashier section.
- Read the terms and conditions to understand withdrawal limits and processing times for local banks.
Game Mechanics: Pair Gcd Square Mines
The game uses a 4×4 board with printed labels 1 through 16 in row-major order. Before a round begins, you must select 3, 4, or 5 hazards.
The hazard selection follows a specific support predicate: subsets are uniformly sampled only if the sum of the greatest common divisor (gcd) of all unordered hazard pairs is a perfect square. Safe observations filter this finite support.
Payout Logic:
- Initial quoted value is 97% of captured stake.
- Each successful safe reveal divides the CURRENT gross value by its exact posterior safe probability.
- If probability is 1, the value remains unchanged.
- You may collect after at least one safe reveal.
Controls, Modes, and Stakes
Stakes: Selectable stakes are 10, 20, 50, or 100 play coins (default is 20).
Controls: Settings, restoration, and starting a new round are locked while a round is active.
Stopping Rules:
- Choices with gross return above 1000× stake are disabled; equality is allowed.
- Banking occurs automatically only when no eligible uncertain choice remains.
Wallet and Persistence
Initial Balance: 1000 virtual coins.
Restoration: A manual idle-only restoration sets the balance to exactly 1000 coins. This is eligible only when idle and the balance is below 10 coins. It is not an automatic refill.
Fractional Carry: Fractional carry persists in browser localStorage across settlement, refill, and reload. Refilling does not clear it.
Unfinished Rounds: If you reload the page during an unfinished round, the captured stake remains deducted. The round ends without refund, payout, or continuation.
Mathematical Evidence
The following table shows measured RTP and expected RTP for various hazard counts and policies. Simulation measurements are supporting observations, not guaranteed returns.
| Hazards | Policy | Expected RTP | Measured RTP | Support Count |
|---|---|---|---|---|
| 3 | low-1 | 97% | 97.0133% | 144 |
| 3 | high-2 | 97% | 97.0956% | 144 |
| 3 | first-4 | 97% | 96.9050% | 144 |
| 4 | low-1 | 97% | 96.9772% | 342 |
| 4 | high-2 | 97% | 97.1247% | 342 |
| 4 | first-4 | 97% | 96.8795% | 342 |
| 5 | low-1 | 97% | 97.0125% | 318 |
| 5 | high-2 | 97% | 97.1654% | 318 |
| 5 | first-4 | 97% | 97.0981% | 318 |
Privacy and Data Storage
Storage: Virtual-coin balance and fractional payout carry are stored in browser localStorage.
Third-Party Requests: The page template loads Google Fonts stylesheets and font files.
Privacy: The absence of account controls does not prove that no personal data are processed. Clearing cached files may leave local storage. This guide does not promise anonymity or specific retention periods.
The deployed guide also loads the Statinside44 counter script and sends visit-counter requests. Network requests can include connection and page information; the absence of login does not establish that no personal data are processed.
Frequently asked questions
Is there an official APK for Pair Gcd Square Mines?
No. This guide does not supply or verify an APK. The demo is browser-based. Any external APK is unverified and may not match the mechanics described here.
How do I restore my virtual coins?
You can manually restore your balance to 1000 coins when idle and your balance is below 10 coins. This sets the balance to exactly 1000; it does not add coins on top of existing balance.
What happens if I refresh the page during a round?
The round ends without refund or payout. The captured stake remains deducted. You must start a new round with the default stake of 20 coins.
Is the TBBB demo game available in the Philippines?
Yes, the browser-based demo is accessible from the Philippines. It uses virtual coins and requires no deposit or login.
Does this demo support GCash or Maya?
No, this is a free demo with virtual coins. GCash and Maya are typically used for real-money transactions, which you should check with the operator directly.