These terms cover buying coins. Everything else about the game is free, and you never have to buy anything to play it.
What you are buying
Coins are the in-game currency you bet with. They are a number on your MarbleRun account and nothing else: not a token, not a share, not a deposit, and not money held on your behalf. When you buy a pack, the coins are added to your balance immediately.
Coins have no cash value. A coin you bought and a coin you earned by building a track people liked are the same thing and are worth the same: a bet.
What you cannot do with them
This is the most important section on the page, so it is a list rather than a sentence. Coins cannot be:
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cashed out, withdrawn, redeemed or exchanged for money;
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sold or given to another player, or moved to another account;
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used for anything outside MarbleRun.
There is no mechanism in the game for any of these, and there is not going to be one. It is what separates a game with virtual currency from gambling, and it is a fixed part of what MarbleRun is rather than a setting.
Who you are paying
Payments are taken by our payment provider, who is the seller of record for the transaction. They handle the payment, the receipt and any tax due on it, and they are who your card statement will name.
The price on a pack is the total. Any tax due where you live is already included in it, so that is the amount you are charged and the amount your statement will show. The number of coins is the same wherever you buy from.
Your card details go to them and never to us. MarbleRun has nowhere to put a card number and never receives one.
Refunds
Coins are delivered to your account the moment a payment completes, so a purchase is a digital item supplied immediately. You may still have a statutory right to a refund depending on where you live, and our payment provider handles refund requests under their own policy. Contact them, or write to us at privacy@marblerun.selenize.com and we will point you to them.
A refund takes the coins back in full. The whole pack comes off your balance, whether or not you have already bet it. If you have spent them, the balance goes below zero by the difference.
If your balance goes below zero
This can only happen through a refund or a chargeback. You cannot bet more than you hold, so ordinary play never puts you in debt.
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You keep your account, your tracks and your race history.
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You cannot place a bet until the balance is back above zero.
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You get back above zero by buying another pack, or by earning: a track other players like pays coins, and so does a winning race.
Nothing else happens. There is no debt collection, because there is no debt: a negative balance is a number of coins you cannot bet, not money you owe anyone.
Chargebacks
If you dispute a payment with your bank rather than asking for a refund, the effect on your balance is the same. We also record that it happened, so we can see how often it does. That record does not restrict your account or change what you can do in the game.
Voice chat
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Voice chat is for players aged 18 and over.
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Swearing is fine when it's aimed at the game: the marbles, the race, the track, your luck.
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Towards other players, these are not allowed: insults, abuse, threats, harassment, and hate speech, including racist, sexist or xenophobic remarks.
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You are responsible for what you say.
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While you're in voice, what other players say is kept on your device so it can be reported, and deleted when you leave the room. It only reaches MarbleRun if someone reports a player, and then only that player's voice is sent.
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If a report shows a breach, we may warn you, remove you from voice for a time or permanently, or close your account for serious or repeated breaches. Threats of violence may be passed to the police.
Age
MarbleRun simulates betting. Do not buy coins if you are under 18.
If the game stops
Coins depend on MarbleRun existing to be bet in. If the game shuts down, unspent coins stop being usable, and because they never had a cash value there is nothing to refund. Worth knowing before you buy a large pack rather than after.
Changes
If these terms change, the change will be described here before it applies to a new purchase. A change never applies retrospectively to a pack you have already bought.
Last updated September 7, 2026
