Service & Support Information
Commercial Disclosure
100 yen games is free to play. “100 yen” is our name, not a charge for each play.
If you’d like to support the games
If you’ve enjoyed the games and would like to help, adults can make an optional, one-time support payment. Your support helps with the development and operation of our free games.
There’s no subscription, and you won’t be charged again automatically. Support doesn’t include physical goods or special in-game benefits.
Items collected in the games can’t be exchanged for money or physical goods.
Amounts and how to pay
You can choose ¥100, ¥300 or ¥500. With OTHER AMOUNT, you can enter an amount of your choice, starting at ¥100. Our base currency is Japanese yen.
Payments are handled by Stripe. You’ll see the available payment methods at checkout, and your payment is processed when you complete checkout.
There’s no shipping charge, and we don’t add a handling fee. If Stripe offers an amount in another currency, please check the currency and total before paying. Your bank or card issuer may charge separate currency-conversion fees.
Your support is complete once payment is confirmed. There are no goods or paid access to deliver. The games remain free whether or not you choose to support them.
Cancellations and refunds
Once a payment is complete, we generally can’t accept cancellations or refunds for a change of mind or other personal reasons. Please check the amount before paying.
We will address payment processing errors on our side, such as duplicate charges, and refunds required by applicable law.
If you need help with a payment, please use our contact form. The payment date, amount and receipt reference, if you have it, will help us look into it.
Please don’t send your full card number or security code.
The games work the same for everyone
Supporting the games doesn’t change play limits, prizes or your chances of a successful grab.
Support also doesn’t come with a promise of future updates or continued availability.
Who runs the site
Operator: Yamaguzzi LLC
If you have a question, need help with a payment or would like to get in touch, please use our contact form.
We will disclose our business contact details (address and telephone number) without delay upon request. You can request them through our contact form.