Independent guide, not an operator
Kartac.info is an independent information site with its own free demo. It is not an external casino login or payment service. The legal identity, current domain, licence and services of an operator using the Kartac name have not been verified here. A brand name or page design is not evidence of authorisation.
How our independent Stroke Reels demo works
This independent demo has three rows and five reels. Each of its 15 cells shows ink or paper with a 50% probability. Before making a proof, choose one, two or three separate ink strokes per row. Adjacent ink cells form one stroke; paper separates them. The first and last cells are not adjacent.
Each row uses one third of the stake. Only a row with the selected number of strokes pays. Its return is based on the square of its ink-cell count and an exact calibration of all 32 possible rows. Long-run return is 96% in every mode, not a promise for an individual proof. The in-game table shows row-return multipliers including that row’s stake.
You start with 1000 virtual coins with no cash value. The balance and fractional coins persist in this browser. A free refill sets a low balance to 1000 coins. No registration, deposit or prizes are involved, and the demo does not reproduce an external operator’s software. Auto runs at most ten proofs and can be stopped.
What 96% return means
Exact enumeration of all 32 possible rows gives an expected return of 96% of virtual stakes in each mode. For 100 coins staked, the expected average return is 96 and expected loss is 4. This is an expectation across many proofs, not a promised result for one play or a short session. A larger stake does not improve return.
Separate strokes and row stakes
Paper separates contiguous ink groups. Ink–paper–ink–paper–ink contains three strokes; five adjacent ink cells contain one. A row pays only when its stroke count matches the selected mode. Fifteen of 32 possible rows qualify for either one or two strokes, and one qualifies for three. Each of the three rows uses one third of the total stake and its return is added to the others.
Virtual coins and persistence
A fresh browser starts with 1000 virtual coins with no cash value. The balance and fractional remainder persist in this site’s local browser storage across reloads and browser closure unless the browser removes them. At a low balance, a free refill sets the balance to 1000; it does not add 1000 to the previous balance. Coins cannot be withdrawn, transferred or exchanged for prizes.
Fifteen independent cells
Each proof generates 15 independent choices between ink and paper, each with a 50% probability. The board is generated once when a proof starts; the staggered reveal of five reels animates that result. Previous wins, losses and button timing do not change the distribution of the next proof. This does not certify an external casino’s randomness.
Stake, auto and mobile play
Choose a stake of 10, 20, 50, 100 or 200 coins and one, two or three strokes. Stake and mode controls lock during a proof so the preselected rules apply. Auto runs at most ten proofs. Stop cancels future scheduled proofs while the current proof settles. The same demo rules apply on mobile and desktop.
Age and local rules
This content is for adults aged 18 and over. Real-money gambling can have a higher minimum age or other local restrictions. This site does not determine your location or confirm your eligibility for any external service. A free demo is neither evidence of its legality nor an invitation to deposit.
Frequently asked questions
Is Kartac safe for Czech players?
Loading a page sends requests to the website server and any third-party services, including web fonts and an analytics counter. Recipients can receive your IP address, browser information and request data. Their retention and anonymisation practices have not been verified here. Playing without registration does not mean an anonymous visit or guaranteed privacy. Our demo asks for no identity documents, address or bank details. This page cannot confirm an external account’s identity-check requirements, processing times or security. Do not send documents to unverified forms or addresses found solely by brand name. References to encryption or legal rules do not establish safe handling of information.
Can I win real money in the demo game on this site?
This independent demo has three rows and five reels. Each of its 15 cells shows ink or paper with a 50% probability. Before making a proof, choose one, two or three separate ink strokes per row. Adjacent ink cells form one stroke; paper separates them. The first and last cells are not adjacent.Each row uses one third of the stake. Only a row with the selected number of strokes pays. Its return is based on the square of its ink-cell count and an exact calibration of all 32 possible rows. Long-run return is 96% in every mode, not a promise for an individual proof. The in-game table shows row-return multipliers including that row’s stake.You start with 1000 virtual coins with no cash value. The balance and fractional coins persist in this browser. A free refill sets a low balance to 1000 coins. No registration, deposit or prizes are involved, and the demo does not reproduce an external operator’s software. Auto runs at most ten proofs and can be stopped.
How do I verify Kartac's license?
Kartac.info is an independent information site with its own free demo. It is not an external casino login or payment service. The legal identity, current domain, licence and services of an operator using the Kartac name have not been verified here. A brand name or page design is not evidence of authorisation. Compare an external service’s precise legal identity and domain with current records from the relevant authority. Permission can depend on country, location and current local rules. This guide does not confirm a service’s legality, tax treatment or protection of funds. Treat licence claims as unverified when supporting records cannot be established.
What is the minimum bet in the demo?
This independent demo has three rows and five reels. Each of its 15 cells shows ink or paper with a 50% probability. Before making a proof, choose one, two or three separate ink strokes per row. Adjacent ink cells form one stroke; paper separates them. The first and last cells are not adjacent.Each row uses one third of the stake. Only a row with the selected number of strokes pays. Its return is based on the square of its ink-cell count and an exact calibration of all 32 possible rows. Long-run return is 96% in every mode, not a promise for an individual proof. The in-game table shows row-return multipliers including that row’s stake.You start with 1000 virtual coins with no cash value. The balance and fractional coins persist in this browser. A free refill sets a low balance to 1000 coins. No registration, deposit or prizes are involved, and the demo does not reproduce an external operator’s software. Auto runs at most ten proofs and can be stopped.