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Our website does not feature any real money casino games. All games available are complimentary and do not offer real money winnings. There are no taxes or fees for accessing our site. Your personal information remains secure, adhering to our Privacy Policy. Please note, that SlotsCalendar is exclusively for individuals aged 18 and above.

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SlotsCalendar is an affiliate site, meaning we include affiliate links in our content. If you visit a site through our link and make a deposit, we earn a commission at no additional cost to you. This may influence the product placement on our site, but it does not affect our evaluations. Our reviews and recommendations are impartial, following a commercially independent editorial policy with a well-established methodology. Be aware that the information on this page is updated frequently, but changes might happen without our immediate notification.

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Play responsible

Online gambling offers enjoyment, but it can result in addiction. Recognised as a mental health issue, gambling addiction carries both immediate and long-term repercussions. At SlotsCalendar, our aim is to enlighten our customers about the inherent risks involved. Keep in command, and gamble with responsibility!

Good
Slots Provider SG Digital
Reel Setup 3 Rows, 5 Reels
RTP 97.00%
Game Volatility Medium
Jurisdiction Malta - MGA
Bet Level €0.25 / €150
Rating 7 / 10
Release Date 22 Feb 2019
Claim The Gem Machine Bonus

18+. New players only. 21 No-Deposit Spins on Book of Dead. Min deposit £10. Bonus funds are 121% up to £100. Bonus funds + spin winnings are separate to cash funds and subject to 35x wagering requirement. Only bonus funds count towards wagering contribution. £5 bonus max bet. Winnings from No-Deposit Spins capped at £100. Bonus funds must be used within 30 days, spins within 10 days. Affordability checks apply. Terms Apply. BeGambleAware.org.

PLAY The Gem Machine @ Hippozino Casino PLAY The Gem Machine @ Hippozino Casino Claim The Gem Machine Bonus

18+. New players only. 21 No-Deposit Spins on Book of Dead. Min deposit £10. Bonus funds are 121% up to £100. Bonus funds + spin winnings are separate to cash funds and subject to 35x wagering requirement. Only bonus funds count towards wagering contribution. £5 bonus max bet. Winnings from No-Deposit Spins capped at £100. Bonus funds must be used within 30 days, spins within 10 days. Affordability checks apply. Terms Apply. BeGambleAware.org.

Good

Details

Slots Provider SG Digital
Reel Setup 3 Rows, 5 Reels
RTP 97.00%
Game Volatility Medium
Jurisdiction Malta - MGA
Bet Level €0.25 / €150
Rating 7 / 10
Release Date 22 Feb 2019

Bonus

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#Ad - 18+ - First-time depositors - Min deposit £10 - Claim within 48 hours - Expires in 90 days - 30X wagering - Valid on selected slots - UK and Ireland only - Full T&Cs apply - GambleAware
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The Gem Machine FAQ

  • What is the Return to Player (RTP) percentage for the The Gem Machine slot?

    The Return to Player (RTP) percentage of The Gem Machine stands at 97.00%.

  • Who is the developer behind The Gem Machine?

    SG Digital is the studio responsible for creating The Gem Machine.

  • Can I play The Gem Machine for free?

    If you want to play The Gem Machine for free, you are in the right place. Slotscalendar is offering a free version of The Gem Machine!

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