- This promotion is available to all registered players holding an active gaming account with Slots99, provided that no restrictions have been imposed on the account regarding participation in promotions and/or receiving bonus offers.
- The promotion is valid from 30.06.2026 until 30.01.2027.
- The Diamond Vault promotion is active on Tuesdays, Thursdays and Saturdays.
- Each participant may activate a pick after making a qualifying deposit of $100 or more.
- Each participant may use one available pick within any 24-hour period, provided that a pick is available in the gaming account.
- Each pick is valid for a period of 24 hours from the time it is credited.
- The promotion consists of 12 symbols.
- The symbols of Diamond Vault feature Free Spins prizes on the following games: Magic Crystals — 95 FS Temple Tumble — 100 FS Temple Tumble 2 Dream Drop — 120 FS Diamonds — 90 FS Helios' Fury — 80 FS Bow of Artemis — 85 FS Elemental Gems Megaways — 110 FS Diamond Strike — 80 FS Aztec Gems — 85 FS Joker's Jewels — 90 FS Crystal Caverns Megaways — 110 FS Gems Bonanza — 95 FS
- The stated prize distribution applies to a cycle of 100 picks. After every 100 picks, the prizes are reset using the same distribution.
- All Free Spins granted as prizes are provided at the minimum bet permitted by the respective game provider, unless otherwise specified for a particular bonus.
- The wagering requirement commences at the moment the bonus is activated and a bet is placed using bonus funds.
- Upon completion of the awarded Free Spins, the winnings are credited to the participant's bonus balance and must be wagered 10 (ten) times.
- The wagering requirement must be fulfilled within 24 hours of the bonus funds being credited to the gaming account.
- The maximum bet permitted while using bonus funds obtained from the awarded Free Spins is $2.50. This condition applies throughout the entire gaming round, including any gamble/double-up features available in certain games.
- A maximum winnings and withdrawal cap of $500 applies to winnings generated from Free Spins awarded through this promotion.
- Bonus funds received through this promotion may only be used to place wagers on the games specified within the Bonus Play category.
- Once the wagering requirements have been fulfilled, the remaining bonus funds will be transferred to the real-money balance, allowing the player to place unrestricted wagers or request a withdrawal.
- In the event that a participant places bets with real-money funds, triggers Free Spins or a bonus feature within a game, and leaves the round unfinished or in progress for the purpose of subsequently wagering with bonus funds, the granted bonus and any winnings accumulated from it shall be forfeited and removed. The same rule applies where a participant purchases a bonus feature using the "Buy Bonus" functionality and intentionally leaves it unfinished in order to place wagers with bonus funds.
- The promotion is granted only after the conditions for receiving a pick have been fulfilled and is limited to one specific user, unique static IP address, permanent residential address, telephone number, device used to access the website (including personal computer, laptop, tablet, or mobile phone), debit/credit card, and electronic wallet. In the event of duplication of any of the aforementioned details across multiple gaming accounts, the duplicate account shall automatically forfeit all awarded bonuses, accumulated winnings, and/or any winnings converted into real-money funds, which shall subsequently be removed.
- This promotion is not offered or available to gaming accounts that are subject to restrictions regarding participation in promotions and/or receiving bonuses and offers. Slots99 reserves the right to amend the rules of this promotion, cancel it, and/or temporarily suspend it. Any such changes and relevant information will be published on the website.
- In addition to these rules, the General Terms and Conditions and the Bonus Terms and Conditions of Slots99 shall also apply.
A $100 pick-and-reveal promo — choose a symbol to unlock the Diamond Vault and reveal up to 120 Free Spins on a featured slot.
Diamond Vault
How the bonus works
1
Deposit $100+
Make a single qualifying deposit of $100 or more to your Slots99 account.
2
Claim your pick
A Diamond Vault pick is added to your account — find it in the Bonus Section, ready to use within 24 hours.
3
Pick a symbol
Choose a symbol to unlock the vault and reveal your Free Spins prize on a featured slot.
4
Play your spins
Free Spins run at the game's minimum bet. Any winnings land in your bonus balance.
5
Wager & withdraw
Wager the winnings 10× within 24 hours, then cleared funds move to your real-money balance.
Frequently asked questions
Who can take part?
Any registered Slots99 player aged 18 or over with an active account, provided no restrictions have been placed on the account regarding promotions or bonus offers.
How do I get a Diamond Vault pick?
Make a single qualifying deposit of $100 or more. Your pick is then added to your account — find it ready to use in the Bonus Section.
How often can I play?
You can use one pick within any 24-hour period, provided a pick is available in your account. Each pick stays valid for 24 hours after it is credited.
What can I win?
Free Spins on one of twelve featured slots. Pick a symbol to win between 80 and 120 Free Spins — every symbol is a Free Spins prize, so every pick is a winner.
Do I have to wager my winnings?
Yes. Winnings from your Free Spins are credited to your bonus balance and must be wagered 10 times within 24 hours before they can be withdrawn.
Which games can I play with the bonus funds?
Bonus funds may only be used on games in the Bonus Play category. Once wagering is complete, the remaining funds move to your real-money balance for unrestricted play or withdrawal.
Is there a limit on how much I can win?
Yes. A maximum winnings and withdrawal cap of $500 applies to winnings generated from Free Spins awarded through this promotion.
When does the promotion run?
Diamond Vault is active on Tuesdays, Thursdays and Saturdays, from 30 June 2026 until 30 January 2027.
