Marshmallow Fields We build casino games
players can't stop playing.
Twenty years deep in online casino games — slots, instant-win, and beyond — spanning art, animation, sound, math, development, QA and production, under one roof. AI speeds up the pipeline, but only where that experience says it should — senior specialists still make every call that matters.
One team, start to finish.
Every discipline a casino title needs, handled in-house and in sequence — so nothing gets lost in translation between studios.
Math & design
RTP, volatility, features
Art
Characters, symbols, scenes
Animation
Wins, transitions, motion
Sound
SFX, music, ambience
Development
Engine, integration, builds
QA & PO
Testing, sign-off, delivery
Built on a proven, modern stack.
Tools picked for performance and iteration speed, not novelty.
Pixi.js
2D rendering engine
Spine
Skeletal animation
Golang
Backend services
Node.js
Tooling & APIs
AI art tools
Concept to production art
Twenty years of industry expertise, on tap.
Building the game is often the easy part. We help with the parts around it too.
Game licensing
Guidance on getting titles certified and cleared for the jurisdictions that matter to you.
Market requirements
What changes market to market — mechanics, math limits, compliance — before you build.
Studio & product audits
An outside, expert read on an existing product or studio setup — what's working, what's not.
Starting a studio
Practical help standing up a new casino game studio — team, pipeline, tooling — from scratch.
A few of the games we've shipped.
Tell us about your project.
A full game built from scratch, a licensing question, or a second opinion on your studio's setup — write to us directly and you'll get a personal reply.