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Independent slot studio
We make slot games, from the math to the last frame.
Opalin Play is a small studio building games for Stake Engine. We plan the math, design the art and sound, and code every game in-house. Our first title, Block Foundry, is out now on Stake.
Stake Engine 17 languages Desktop & phone
Block Foundry
A papercraft block factory where every win makes its cell worth more.
Contest of the month
US$1,000 to share every month
The 10 best multipliers of the month on our slots win: US$300 for the best, at least US$50 for the others.
Starts with the release of Block Foundry.
New to Stake?
Sign up with the code Opalin
The code of Opalin Play, the studio behind Block Foundry. It is free, it changes nothing to your odds, and it helps us make our next games.
18+ only, where online gambling is legal. New Stake accounts only. Stake's terms apply. When you sign up with our code, Stake pays us a commission. It costs you nothing.
The Opalin letter
New slots before everyone else
The Opalin letter: releases, the contest of the month and the biggest wins. One e-mail a month, plus one on each release day.
Studio
How we work
We are a small team, so every game gets our full attention from the first sketch to the last test on a real phone.
Math first
Modes, prices and the bonus ladder are settled before a game is submitted. We check the RTP mode by mode and replay every exported round in the game before it ships.
Quiet craft
Matte, tactile motion instead of flashes and glare. Losing rounds stay short, and the big moments get the time they deserve.
Clear for players
Rules that start with how to play, real amounts instead of jargon, and wording ready for social casino markets.
For operators
Built for Stake Engine
Our games run on Stake Engine, which hosts the math, the game server and the wallet. Live titles are distributed to Stake and to Stake Engine's partner operators.
- Platform
- Stake Engine (math, game server, wallet)
- Client
- HTML5, WebGL
- Screens
- Desktop, tablet, phone in portrait and landscape
- Languages
- 17 EN · FR · DE · ES · PT · PL · FI · DA · TR · RU · AR · HI · ID · VI · JA · KO · ZH
- Social casino
- Dedicated wording, no real-money terms
- Replays
- Any round can be replayed without a bet
- Speeds
- Normal, Fast, Turbo
- RTP
- 96.35% Block Foundry, all modes
FAQ
Questions
What is Opalin Play?
An independent studio that makes slot games for Stake Engine, from the math to the last frame. More on the About page.
Where can I play Block Foundry?
On Stake, where it is out now. The game's page has the Play on Stake button: Block Foundry.
What is the RTP of Block Foundry?
96.35% in all 7 modes. The maximum win is 50,000× the bet.
How do I start a bonus?
3, 4 or 5 and more scatters on the first board of a round start a bonus, about once every 130 rounds in Standard mode. You can also buy a bonus from the bonus menu.
Contact
Let's make something good together.
Email address coming soon.