Play responsibly. Our games are for adults 18 and over. Get help

Opalin Play

Block Foundry is out now on Stake.

Play on Stake
Coming soon

Contest of the month

US$1,000 for the best multipliers of the month

Every month, the 10 best multipliers on Opalin Play slots share the prize pool. No draw: your best spin of the month is your entry.

Prize pool
US$1,000
1st place
US$300
Winners
10
Minimum bet
US$0.20

Starts with the release of Block Foundry.

Prizes

10 winners every month

  1. 1US$300
  2. 2US$150
  3. 3US$100
  4. 4US$90
  5. 5US$80
  6. 6US$70
  7. 7US$60
  8. 8US$50
  9. 9US$50
  10. 10US$50

How it works

Three steps

  1. Play our slotsAny Opalin Play game on Stake, with a bet of at least US$0.20. Bonus buys count too.
  2. Keep your bets publicLeave stealth mode off in your Stake settings, so your bets show your name. Your best multiplier of the month joins the leaderboard once we have checked it.
  3. Finish in the top 10The leaderboard moves all month. When the month ends, at midnight UTC, the top 10 win.

Leaderboard

Leaderboard for November 2026

The leaderboard opens on the first day of the contest.

Amounts in US dollars at the time of the bet. The multiplier is the win divided by the amount bet, bonus buys included. Replays open on Stake.

Rules

  • 18+ only. Players in countries where Stake does not accept accounts cannot take part.
  • One Stake account per person. Each player counts once, with their best multiplier of the month.
  • Minimum bet US$0.20. For a bonus buy, the multiplier is the win divided by the price paid.
  • Ties: the bigger win goes first, then the earlier bet.
  • The month runs from the 1st at 00:00 UTC to the last day at 23:59 UTC.
  • A bet in stealth mode does not show its player, so it cannot count.
  • Winners are announced here by Stake username and paid to their Stake account.
  • Opalin Play may exclude any abuse. Stake's terms apply.

18+ only, where online gambling is legal. New Stake accounts only. Stake's terms apply. Responsible gaming

Block FoundryOpalin Play

Ask for a demo Work with us Streamers and press

Block Foundry is out now on Stake through Stake Engine. Tell us who you are and we will send you a demo and the game sheet. Operators, aggregators, artists or developers: tell us what you have in mind. Early access, artwork and trailers. Tell us about your channel or publication.

Your email app opens with the message ready; nothing is sent until you press send. Address:

Our contact address is coming very soon.

About Stake Engine ↗

New to Stake?

Sign up with code Opalin

Rakeback switched on from day one, and you support an independent studio

RakebackOnfrom sign-up, on all casino play
Monthly contestUS$1,000Coming soon
Block Foundry50,000×max win · RTP 96.35%
Your codeOpalin
Sign up on Stake ↗

New Stake accounts only · Stake's terms apply

When you sign up with our code, Stake pays us a commission. It costs you nothing. Play responsibly.