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Marble Line Shooter is a free online marble shooter where the target will not sit still. A chain of coloured marbles crawls steadily along a winding track toward a hole at the end, and your job is to fire marbles into the line so that three or more of a colour touch and vanish. What lifts it above simple matching is what happens next: when a group disappears the chain closes the gap, and if that brings two more like colours together they clear too. Those chain reactions are worth several times a plain match, so the good shots are the ones that set up a collapse rather than just taking one. Eight tracks build from a single gentle loop to a folded serpentine, adding colours and pace, and each level gives you a fixed supply of marbles — running out with the line still on the track loses just as surely as letting it reach the hole.
How to play Marble Line Shooter
- The chain of marbles crawls along the track toward the hole at the end. If the leading marble reaches it, you lose the level.
- Your shooter sits in the middle with the loaded marble on it and the next one shown small beside it.
- Tap or click anywhere on the chain to fire. The marble lands next to whichever marble you aimed at, on the side nearest your click.
- Three or more marbles of the same colour touching each other disappear, and the chain closes the gap.
- If closing the gap brings two more matching colours together, they clear as well — a chain reaction, worth far more points.
- Press Swap (or the space bar) to exchange the loaded marble for the next one when the colour you have is no good.
- Clear every marble to finish the track. The bar under the board shows how close the chain is to the hole.
Tips
- Aim for the gaps between two same-coloured pairs, not at a lone marble. A shot that joins two pairs is what produces a chain reaction.
- Clearing near the front of the chain buys you the most time, because the whole line stops advancing while it collapses.
- The shooter only ever loads a colour that is still on the track, so a marble you cannot use does not exist — if a colour looks useless, it means that colour is nearly cleared.
- Swap is free and unlimited. Use it rather than firing a bad marble into the middle of the chain and making the group harder to match.
- Watch the danger bar rather than the board. It tells you whether you have time to set up a chain reaction or need to clear something immediately.
- Your star rating comes from your best chain reaction, not your score — a scrappy clear with one three-collapse beats a tidy one without.
- Supply is finite. Two matched shots that clear six marbles are worth far more than six shots that clear three.
FAQ
Is Marble Line Shooter free to play?
Yes. It runs in your browser with no download, no account and no purchases. Your unlocked levels and best score are saved on your own device.
How is this different from a bubble shooter?
A bubble shooter fires at a static grid that descends in steps. Here the target is a single chain that crawls continuously along a fixed track, so position along the line matters more than angle, and clearing a group makes the rest of the chain slide together — which is what creates chain reactions.
What causes a chain reaction?
When a group clears, the marbles behind it slide forward to close the gap. If the two marbles that end up touching happen to be the same colour and make a group of three, they clear too, and so on. Setting these up deliberately is where most of the score comes from.
Why did I lose with marbles still on the track?
You ran out of marbles. Each level has a fixed supply, shown as "left" at the top. Clearing bigger groups per shot is the only way to make the supply stretch — it is a resource, not just an ammo counter.
Can I play it on a phone?
Yes. The board is drawn square and scales to the screen, and firing is a single tap on the chain rather than a drag, so it works well on touch.