The 75-ball card
The standard e-bingo card is a 5×5 grid with five lettered columns. Each column only takes numbers from its own range, so it's easy to find a called number.
| Column | Number range | Numbers on the card |
|---|---|---|
| B | 1–15 | 5 |
| I | 16–30 | 5 |
| N | 31–45 | 4 + FREE in the middle |
| G | 46–60 | 5 |
| O | 61–75 | 5 |
That's 24 numbers plus one free space. The free space counts as already marked, so patterns that pass through the middle already have one square "free". Calls usually show the letter too, like "N-42," so you know which column to look at.
Some sites run other formats, like 90-ball or 30-ball games, with different card shapes. Everything on this page is about the 75-ball card. If the room uses a different format, read its own help screen.
How to read a pattern
Every round shows its target pattern before the first number is drawn. Usually it's a small 5×5 picture with the needed squares lit up or animated.
- Lit squares are the ones you need marked. The rest of the card doesn't matter for that round.
- Blinking or rotating pictures usually mean "any version counts," like any row, any column or any diagonal for a single line.
- Fixed pictures mean that exact shape only, in that exact position.
If you're not sure, open the room's info or "?" button. A pattern you thought was "any line" might turn out to be "top line only".
Common patterns, with diagrams
Most rooms rotate through a small set of familiar shapes. In the diagrams below, ● means "needs to be marked," · means "not needed," and FREE is the free centre.
| B | I | N | G | O |
|---|---|---|---|---|
| ● | ● | ● | ● | ● |
| · | · | · | · | · |
| · | · | FREE | · | · |
| · | · | · | · | · |
| · | · | · | · | · |
Single line. One full row, column or diagonal. If the rule is "any line", there are 12 possible lines on a card: 5 rows, 5 columns and 2 diagonals.
| B | I | N | G | O |
|---|---|---|---|---|
| ● | · | · | · | ● |
| · | · | · | · | · |
| · | · | FREE | · | · |
| · | · | · | · | · |
| ● | · | · | · | ● |
Four corners. Just the four corner squares. A small pattern, so the round is often quick.
| B | I | N | G | O |
|---|---|---|---|---|
| ● | · | · | · | ● |
| · | ● | · | ● | · |
| · | · | FREE | · | · |
| · | ● | · | ● | · |
| ● | · | · | · | ● |
Letter X. Both diagonals. It passes through FREE, so you need only 8 numbers, not 9.
| B | I | N | G | O |
|---|---|---|---|---|
| ● | · | · | · | · |
| ● | · | · | · | · |
| ● | · | FREE | · | · |
| ● | · | · | · | · |
| ● | ● | ● | ● | ● |
Letter shapes. L, T, U, H and similar shapes combine rows and columns. The L above is the B column plus the bottom row.
Picture frame is every square on the outer edge. Blackout or coverall is the whole card, all 24 numbers.
How many numbers do you need?
The real size of a pattern is how many called numbers it needs, not how many squares it shows. Subtract one if it passes through FREE.
| Pattern | Squares | Numbers needed |
|---|---|---|
| Line through the centre (N column, middle row, diagonals) | 5 | 4 |
| Any other line | 5 | 5 |
| Four corners | 4 | 4 |
| Letter X | 9 | 8 |
| Letter T (top row + N column) | 9 | 8 |
| Letter L (B column + bottom row) | 9 | 9 |
| Picture frame | 16 | 16 |
| Blackout / coverall | 25 | 24 |
Pattern size and number of draws
Bigger patterns need more draws, and the jump is bigger than most players expect. Here's the simple math for one card and one fixed pattern.
In a 75-ball game, the chance that a specific set of k numbers has all been called within the first n draws is C(n, k) ÷ C(75, k), where C means "combinations." Example for four corners within 30 draws: C(30, 4) = 27,405 and C(75, 4) = 1,215,450, so 27,405 ÷ 1,215,450 ≈ 2.3%.
| Numbers needed | Done within 45 draws | Done within 60 draws |
|---|---|---|
| 4 (four corners) | about 12.3% | about 40.1% |
| 5 (a fixed line) | about 7.1% | about 31.6% |
| 8 (letter X) | about 1.3% | about 15.2% |
| 16 (picture frame) | about 0.008% | about 1.7% |
| 24 (blackout) | practically 0 | about 0.14% |
For a single card, the average number of draws until a fixed set of k numbers is complete is 76 × k ÷ (k + 1). Four corners: 76 × 4 ÷ 5 ≈ 61 draws. Blackout: 76 × 24 ÷ 25 ≈ 73 draws, out of 75.
So why do many rounds end quickly? Because a room has many cards, and the round ends when the first card finishes. With hundreds of cards in play, someone usually completes a small pattern way before the one-card average. Blackout still needs at least 24 draws, and in practice many more. The lesson: your own card is almost always slower than "the room."
Pattern size and prizes
Harder patterns usually pay more, because the round lasts longer and fewer cards finish at the same time. Common set-ups you'll see:
- Small patterns (line, four corners) often have smaller prizes and more ties, so the prize gets split more often.
- Big patterns (frame, blackout) usually carry the biggest prize in the room.
- "Blackout within X calls" jackpots pay extra only if the card finishes very early. Look at the math above: a blackout within 50 draws happens to one card roughly once in 212,000 tries (C(50, 24) ÷ C(75, 24) ≈ 0.0005%). That's why this kind of jackpot rarely hits.
A bigger prize doesn't mean a better deal. The cost of your cards and the room's payout rules decide that. Read the e-bingo strategy and budget guide for the math on cards and expected value.
Auto-daub and other features
Most e-bingo games mark your cards for you, so you can't "miss" a number. Features you'll often see:
- Auto-daub. Called numbers are marked on every card automatically.
- Auto-claim. The system declares bingo for you the moment a card completes the pattern.
- Best-card sorting or "1 to go." Cards closest to finishing move to the top, sometimes with a counter showing how many numbers are left.
- Auto-buy. Buys cards for the next rounds without asking. This is the feature that needs a limit.
Auto-daub is convenient, but it also removes the natural pause between rounds. If auto-buy is on too, your session can run on without you noticing. Set a round limit, or switch auto-buy off.
Rules differ by room
Pattern names and rules are not standardised across sites. Before buying, check these in the room's info screen:
- Which exact pattern counts, and whether rotations count.
- Card price and how the prize is set, fixed or based on cards sold.
- What happens on a tie.
- Whether there's a jackpot and its exact condition.
Play only on PAGCOR-licensed sites. Check any site with our PAGCOR license checker first, and read our guide to e-bingo's legal status. For the basics of a round, go back to the main e-bingo guide.
If it's not fun anymore
Open 24/7. Free and confidential. If bingo stopped being fun, or you're chasing losses, call. Families can call too. More habits that help: laro nang tama.
FAQ
What does FREE in the middle of a bingo card mean?
FREE is the middle square of the N column. It counts as marked from the start, so patterns that pass through the middle need one number fewer.
How many numbers do you need for a blackout?
On a 75-ball card, you need 24 numbers for a blackout or coverall, because the middle square is already free. It can't be completed before the 24th draw.
Why are prizes bigger for bigger patterns?
More numbers are needed, so the round takes longer and fewer players win at the same time. But a bigger prize doesn't mean a better deal for you.
Are patterns the same on every e-bingo site?
No. Pattern names, prizes and tie rules differ by site and by room. Always read the room's info screen before buying a card.
Kassandra Marcos is SugarFun's lead reviewer. She checks every site against PAGCOR's official list and writes our game and responsible gaming guides. How we test