Stackwell Solutions — slot and crash games, engineered

Stackwell Solutions is a B2B slot game provider — we build slot and crash games for casino operators, platforms and aggregators. Most studios draw a theme, bolt on a paytable, and discover how a game performs after it ships. We build the machine first, simulate it millions of times, and only then make it beautiful.

About the studio →
34
Titles live

34 games published and playable today — every one on this page deals from the same math engine an operator gets.

Once
You integrate

One catalog endpoint, one launch URL. Every title we publish after that simply appears in your lobby.

100%
Server-verified math

The mechanic that pays is the mechanic on our server — not a number the browser was trusted to compute.

Every tile is a real game page — specs from the live config, and the playable demo one click in.

All 34 games →
Fuego del Diamante: El Cañonero5 × 3 · 20 lines · 96.2% RTP Paylines Fuego del Diamante: El Lanzallamas5 × 3 · 20 lines · 96.2% RTP Paylines Fuego del Diamante: El Corredor5 × 3 · 20 lines · 96.2% RTP Paylines Furia Tigre: 20 Goals5 × 3 · 20 lines · 96.2% RTP Paylines Furia Tigre: Noche de Combate5 × 3 · 20 lines · 96.2% RTP Paylines Furia Tigre: Reyes Del Ring5 × 3 · 20 lines · 96.2% RTP Paylines Furia Tigre: Día De Los Muertos5 × 3 · 20 lines · 96.2% RTP Paylines Furia Tigre: Imperio Dorado5 × 3 · 20 lines · 96.2% RTP Paylines Furia Tigre: Selva Esmeralda5 × 4 · 40 lines · 96.5% RTP Paylines Furia Tigre: Calle Salvaje5 × 3 · 20 lines · 96.2% RTP Paylines Furia Tigre: Piratas De Yucatán5 × 3 · 20 lines · 96.2% RTP Paylines Furia Tigre: Oro Azteca5 × 3 · 5 lines · 96.2% RTP Paylines Furia Tigre: Carnaval de Fuego5 × 4 · 40 lines · 96.2% RTP Paylines Furia Tigre: Templo del Trueno5 × 4 · 40 lines · 96.2% RTP Paylines Furia Tigre: Fuego De Miami5 × 3 · 20 lines · 96.2% RTP Paylines Furia Tigre: Guerra de Motores5 × 4 · 100 lines · 96.2% RTP Paylines Classic 40 Fruits5 × 4 · 40 lines · 96.5% RTP Paylines Super Juicy Jackpot5 × 3 · 5 lines · 96.4% RTP Paylines Pretty Dangerous 105 × 3 · 10 lines · 96.2% RTP Paylines Oil Rush 3 × 3 · 96.2% RTP Ways Roma Party5 × 4 · 20 lines · 96.5% RTP Paylines Roma Romance5 × 4 · 40 lines · 96.1% RTP Paylines Book of Roma Legacy5 × 4 · 40 lines · 96.8% RTP Paylines Roma Midsummer Nights5 × 3 · 5 lines · 96.2% RTP Paylines Egyptian Riches5 × 3 · 20 lines · 96.2% RTP Paylines Celestial Dragon Gold5 × 4 · 40 lines · 96.2% RTP Paylines Gold Rush5 × 3 · 40 lines · 96.2% RTP Paylines Candy Gold Jackpot5 × 3 · 20 lines · 96.2% RTP Hold & Spin Cash Getaway5 × 4 · 40 lines · 95.5% RTP Hold & Spin Frutas & Panqueques Caramelizados6 × 5 · pay anywhere · 96.2% RTP Scatter pays Azúcar Real7 × 7 · 96.2% RTP Cluster pays Kukeri 55 × 3 · 5 lines · 96.2% RTP Paylines Bell & Bar 405 × 4 · 40 lines · 96.2% RTP Paylines Bell & Bar Hot 5 5 × 3 · 5 lines · 96% RTP Paylines

A Stackwell game is built in one direction, and art is the last thing that happens — not the first.

Read the method →
01

Math

The paytable, the reel strips, the volatility curve. Authored as a versioned model before a single symbol is drawn.

02

Simulation

The model is run against a Monte-Carlo harness until the RTP it claims and the RTP it pays are the same number. We have caught our own tuner lying. That is the point of the step.

03

Art

Bespoke worlds, rigged heroes, real performance animation. Generated, composited and hand-directed — never a re-skin of the last title.

04

Chrome

The control bar is a printed instrument docked to a lit stage. Players recognise a Stackwell game before they read its name.

Developers trust code they can read, not a diagram of code. So here is the whole thing.

Full integration guide →
play.stackwell-solutions.com
1 · Pull the catalog
GET https://play.stackwell-solutions.com/catalog/{operator}
Authorization: Bearer <your inbound credential secret>
2 · Launch a tile
https://play.stackwell-solutions.com/play/{operator}
  ?token=<vendor_token>
  &game=<vendor_game_id>
  &currency=EUR
  &mode=real
3 · Money moves server-to-server
POST /seamless/{your_slug}/{debit,credit,void,balance}
X-Signature: HMAC-SHA256(body, outbound credential secret)

We measure a game before we market it.

If you run a lobby and you are tired of taking performance on faith, we should talk.

Talk to us Keep playing

mms@stackwell-solutions.com