What the graph result shows
Bridge Inspector draws an undirected graph on five vertices, labelled 1 to 5. Ten independent fair switches choose the ten possible links, one for each pair of vertices. Each link is equally likely to be present or absent, so all 1,024 graphs are equally likely. A bridge is a present link whose removal increases the number of separate connected components. Isolated vertices count as components too.
The displayed bridge count is a result of the generated graph. You can understand it by testing which present links would separate a component if removed.
What remains unverified
This independent OK12 guide explains its own free browser demo. No outside operator, business ownership, licence, official account address, payment service or app has been established here. A matching name or search result does not verify an outside service or connect it to this demo.
Mathematics is not a reputation rating
The score is the number of bridges, from 0 to 4. Power 1 uses that count, Power 2 its square, and Power 3 its cube. The gross multiplier is 0.96 × that powered score divided by its own average over all 1,024 graphs. All Powers draw from the same graphs with the same probabilities; the selected Power changes the payout mapping, not the chance of a particular graph. No bridges means zero return in every Power.
Each Power has exactly 96% expected gross return before whole-coin wallet credits and carry. That average follows from applying the 0.96 factor to a powered score normalized by its own mean. It is not a promised return for a round or session. A gross return includes what is paid back from the stake, rather than being additional profit. Integer credits and carry mean that an individual wallet credit need not equal 96% of its stake.
A payout rate or winning draw does not establish ownership, licensing, payment reliability or account protection for an outside business.
No external account or cashier
The demo has no registration, login, deposit or withdrawal flow. Virtual coins have no cash value. The browser wallet cannot verify a payment method, official app package, support channel or account address elsewhere.
Local wallet limits
A new wallet starts at 1,000 free virtual coins. Settlement multiplies the captured stake by the full multiplier and adds the saved fractional remainder. Only the whole-number part is credited to the wallet; the new remainder is saved for a later settlement and is never credited separately. The multiplier shown on screen is rounded to four decimal places, but the calculation uses the full value. A zero return credits no coins and retains the existing remainder.
Restore balance is available only when no draw is active and the balance is below 10. Pressing it sets the wallet to exactly 1,000; it does not add 1,000 or run automatically. The fractional remainder is preserved. A balance of exactly 10 is not eligible.
The wallet is saved when the stake is deducted and again when the result is credited. Reloading during an unfinished draw loses that draw without refund or resume, so its already deducted stake stays deducted. The saved wallet, including zero, and fractional remainder remain if browser storage is retained. Reload returns stake to 20, Power to 1 and sound to off; the result meters show a dash.
Privacy and intended audience
The browser stores the virtual wallet and a separate fractional remainder in localStorage for this site. The page also requests Google Fonts resources and loads the Statinside measurement script for counter ID 44, with a measurement image when JavaScript is disabled. These identified requests are not a complete network audit. Local storage and the lack of a login do not establish anonymity or promise that no personal data are processed.
The guide is intended for adults aged 18 and over. That label does not enforce an age check or establish local legality. Virtual coins have no cash value, cannot be withdrawn and are not prizes.
Frequently asked questions
Does this demo prove an outside OK12 service is genuine?
No. It shows the behavior of this independent browser game. External identity, licensing, apps and payment claims remain unverified here.
Is a matching name enough to identify an official app?
No. A name match or search position does not establish a package publisher, ownership or affiliation. No outside app is verified by this guide.
Does 96% expected return make a session safe?
No. Individual results vary and can return zero. The demo uses free coins, but play can still take time and become difficult to stop.
Read the graph rules before trying the free demo. Play the free demo
