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A casino game engineer's desk with a slot-game editor, a paytable and math panel, and an RNG test report on screen
Industries / Casino games

The casino game development company that engineers RNG-driven, certification-ready games.

Resourcifi is a casino game development company building slots, table games, live-dealer titles, and instant and crash games, with the certification-ready random number generator and math model at the core. We are a B2B engineering partner: we build to GLI-11, GLI-19, the UK Gambling Commission technical standards, and the testing that labs such as iTech Labs run, so a title is engineered to pass certification. We do not promote gambling, we do not hold a gaming licence, and we do not certify games. The lab issues the certificate and the operator holds the licence.

4.9 on Clutch600+ projects200+ in-house experts95% repeat clients
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Core systems we engineer

The casino systems we build, end to end.

01 · Certified-grade RNG and math model

The engine that has to pass independent testing.

Everything starts with the RNG and the math model, engineered to the standard the labs test against, so the title is built to pass.

  • PRNG, CSPRNG, or hardware RNG
  • Configurable symbol distribution and paylines
  • Return-to-player band and volatility design
  • Statistical testing with NIST SP 800-22 and diehard
CSPRNGNIST SP 800-22Math model
Custom software development
02 · Remote game server and integration

The server and wrapper that operators plug into.

The remote game server holds the game logic and a universal wrapper handles the operator integration, so a title drops into an aggregator cleanly.

  • Remote game server holding game logic
  • Universal frontend-to-server wrapper
  • Wallet debit and credit handling
  • Aggregator and operator adapters
Node, Java, or GoWebSocketRGSOperator adapters
Custom software development
03 · Cross-platform game clients

Clients that look right on every screen.

We build responsive HTML5 and WebGL clients, plus native or hybrid mobile, with the art and feel a modern title needs.

  • Responsive HTML5 and WebGL clients
  • PixiJS, Phaser, and Cocos engines
  • Unity for physics-heavy 3D titles
  • Native and hybrid mobile builds
PixiJS and PhaserCocos CreatorUnityWebGL
Mobile app development
04 · Provably-fair and verification

Outcomes a player can re-run and check.

For crypto platforms, provably-fair is a distinct trust layer, with a server-seed, client-seed, and nonce model so each outcome can be independently verified.

  • Server seed, client seed, and nonce
  • SHA hashing of the seed pair
  • Player-side outcome verification
  • Audit trail for every round
Server and client seedSHA hashingNonceProvably-fair
Custom software development
05 · PAM, wallet and responsible gaming

The controls regulators check before launch.

Player account management, the wallet, and responsible-gaming controls are licensing conditions, so we build them in rather than bolting them on.

  • Player account management and KYC
  • Multi-currency wallet and ledger
  • Deposit, loss, and session limits
  • Self-exclusion, AML, and behavioral monitoring
PAMKYC and AMLResponsible gamingGeolocation
Custom software development
What good looks like

What a serious casino game development partner actually delivers.

Casino game development is not art-led, it is math-led and compliance-led. At the center of every title is a random number generator and a math model that sets symbol distribution, win frequency, paylines, the return-to-player band, and the volatility, and it has to pass independent statistical testing for randomness, unpredictability, and non-cycling. That logic is then wrapped for delivery through a remote game server into operator platforms. The part most studios understate is that the certification is a deliverable and a core engineering milestone: the right partner builds the RNG and math model to the standard that GLI and labs such as iTech Labs test against, and engineers the jurisdiction differences, the UK Gambling Commission technical standards, a Malta supply licence, and US state-by-state rules, into the architecture. Online casino game development also means we build the responsible-gaming and anti-money-laundering controls in from the start, because regulators require them. That same bar shapes our RNG game development and casino software development services. To be clear on our role: we are the B2B engineering partner, we build to these standards, and the lab issues the certificate while the operator holds the licence. This is the casino specialty within our custom software development practice.

A laptop showing an RNG statistical test report and a math model beside a slot-game interface and compliance documents
Casino game development services

Every kind of casino game we build, from one accountable team.

01

Slot games

Video and classic slots with free spins, wilds, and jackpots, from a slot game development company, on a testable math model.

Mobile app development →
02

Table games

Blackjack, roulette, baccarat, and poker with rule-accurate logic and certification-ready randomness.

Custom software development →
03

Live-dealer games

Real-croupier live dealer game development with low-latency video, bet overlays, and multi-seat tables.

Web development →
04

Instant and crash games

Fast-round crash, dice, and plinko titles with optional provably-fair verification.

Web development →
05

Bingo, keno and lottery games

Draw-based and number games with configurable prizes, scheduling, and an audit trail.

Custom software development →
06

Crypto and provably-fair games

Crypto-casino titles with server-seed, client-seed, and nonce verification plus wallet integration.

Custom software development →
Compliance and certification readiness

Engineered to the standards labs and regulators test against.

Independent bodies test, certify, and license casino games. A developer's job is to engineer the game so it passes.

labs // randomness

RNG testing, iTech and eCOGRA

An accredited lab evaluates statistical randomness, seeding, unpredictability, and scaling, with a daily signature of the sealed module for tamper detection.

How we build to it

An accredited test lab evaluates statistical randomness, internal state, seeding and re-seeding, unpredictability, and scaling through source-code review and output testing, with a daily signature of the sealed module for tamper detection. Labs such as iTech Labs are accredited to ISO/IEC 17025.

How we build to it: we engineer the RNG to that bar, instrument the sealed-module signature, and prepare the source and outputs the lab needs to test.

standards // GLI

GLI-11 and GLI-19

GLI-11 covers gaming-device software, RNG, and math, and GLI-19 covers internet-facing platforms, including server-side RNG, PAM security, and transaction integrity.

How we build to it

GLI-11 covers gaming-device hardware, software, and RNG and math, and GLI-19 covers internet-facing platforms, including server-side RNG, player-account-management security, and financial-transaction integrity. Regulators name these standards for game and platform certification.

How we build to it: we engineer the game logic, the server-side RNG, and the PAM and transaction handling to the relevant GLI standard, and we own the submission.

UK // RTS 7

UK Gambling Commission RTS 7

Random outcomes must be uniformly distributed, match theoretical probabilities, be infeasible to predict, and not cycle; compensated and adaptive games are prohibited.

How we build to it

The Remote Gambling and Software Technical Standards require random outcomes to be uniformly distributed, match theoretical probabilities, be computationally infeasible to predict, and not cycle, and they prohibit compensated or adaptive games and deceptive near-miss designs. New games and RNGs are released only after test-house testing is reported to the Commission.

How we build to it: we engineer outcomes to RTS 7, avoid compensated and adaptive mechanics, and structure the build so test-house testing can be reported.

malta // B2B

MGA B2B Critical Gaming Supply

Supplying gaming software in Malta requires an MGA B2B Critical Gaming Supply licence, with EU establishment, a Malta entity, minimum capital, and ongoing audit and AML obligations.

How we build to it

Supplying gaming software in Malta requires an MGA B2B Critical Gaming Supply licence to supply or manage gaming software, core game elements, or control systems, with EU establishment, a Malta legal entity, minimum capital, and ongoing audit and AML obligations.

How we build to it: we engineer the supplied software to the MGA technical requirements and support the operator or supplier through the audit, without holding the licence ourselves.

US // state by state

US state regulation and geolocation

There is no federal online-casino licence; internet gaming is legal state by state, certified and audited per state, with New Jersey requiring geolocation verification for play.

How we build to it

There is no federal online-casino licence in the US. Internet gaming is legal state by state, and games must be certified and audited per state. New Jersey, the model market, regulates through the Division of Gaming Enforcement and requires geolocation verification for play.

How we build to it: we engineer geofencing to restrict play to licensed states, build to per-state certification, and wire the audit and reporting each regulator expects.

operations // safer gambling

Responsible gaming and AML

Operators must provide responsible-gaming tools as a licensing condition: deposit, loss, and session limits, reality checks, self-exclusion, and behavioral monitoring, alongside KYC and AML.

How we build to it

Regulated operators must provide responsible-gaming tools as a licensing condition: deposit, loss, and session limits, reality-check notifications, self-exclusion and cooling-off, and behavioral monitoring that triggers interventions, with exclusion records retained, alongside KYC and AML controls.

How we build to it: we build the limits, reality checks, self-exclusion, behavioral monitoring, and KYC and AML hooks in from the first sprint, with the record retention regulators expect.

We engineer to each of these standards so a title is built to pass. We do not hold a gaming licence, we do not issue certifications, and we do not promote gambling. The accredited lab issues the certificate, and the licensed operator holds the licence.

For context on the market the operators we supply work in: the global online gambling market is forecast to reach about USD 153.57 billion by 2030, a 11.9% CAGR from 2025 to 2030, per Grand View Research.

The standard we hold

A casino game lives or dies on whether its RNG and math model pass independent testing, and that is decided in the engineering long before a lab ever sees it.

How we work

From math model to a certification-ready casino game in six steps.

The Resourcifi engineering team working through a casino game build in the office
01

Discovery, math model and compliance scoping

We map the game type, the target jurisdictions, the UK Gambling Commission, Malta, and US states, and the return-to-player and volatility targets, then scope which lab and which standards apply, with a line-by-line estimate before you commit.

02

RNG and math-model engineering

We build the random number generator and the math model to the standard the labs test against, validating the distribution and unpredictability with NIST and diehard suites before the game logic is built on top.

03

Game client and server architecture

We design the remote game server, the universal wrapper, and the HTML5 or WebGL client, with the wallet, currency, and operator integration planned so the title drops into an aggregator cleanly.

04

Build, integration and responsible gaming

The game, the server, and the integrations ship in milestones, with player account management, responsible-gaming controls, KYC and AML, and geolocation wired in and tested against real flows.

05

QA and certification submission

The title goes through multi-device QA, and we prepare and own the submission to the accredited lab, GLI or iTech Labs, so it is engineered to pass on the first pass instead of cycling through resubmissions.

06

Launch, integration and live content

Once the lab certifies the title and the operator is licensed, we support the aggregator integration and a content roadmap of new games, variants, and live operations.

The stack we build on

A casino stack chosen for randomness, the server, and compliance.

Clients

Game clients and engines

HTML5 and WebGL for cross-platform clients, PixiJS for custom slot engines, Phaser for simple-to-mid titles, Cocos Creator for lightweight builds, Unity for physics-heavy 3D, and Spine for slot art.

HTML5, PixiJS, Phaser, Cocos, Unity →
Randomness

RNG, math and verification

PRNG, CSPRNG, or hardware RNG validated with NIST SP 800-22 and diehard suites, a configurable math model for return-to-player and volatility, and a provably-fair layer with server-seed, client-seed, and nonce hashing.

CSPRNG, NIST SP 800-22, provably-fair →
Server

Remote game server and live

A remote game server in Node.js, Java, or Go, a universal integration wrapper, a WebSocket and streaming stack for live-dealer video, and wallet and ledger handling for the operator.

Node, Java, Go, WebSocket →
Compliance

Compliance, payments and infra

KYC and AML and identity providers, geolocation for state and jurisdiction enforcement, payment and crypto gateways, and cloud on AWS or GCP with a CDN for low-latency asset delivery.

KYC and AML, geolocation, AWS, GCP →
Why operators pick Resourcifi

Why operators choose Resourcifi as their casino game development company.

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Founded, US incorporated
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In-house experts
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Projects shipped
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Repeat clients
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on Clutch
A developer workstation with code and a live monitoring dashboard, representative of how Resourcifi builds
How we prove it

Firm-level proof, and honest about the rest.

We have not published a named casino or iGaming reference, so we will not invent one, and we will not claim a certified title, a held licence, or a return-to-player or gross-gaming-revenue result we cannot verify. What we can stand behind is the record: 200+ in-house experts across game, backend, and DevOps work, 600+ projects delivered since 2017, a 95% repeat-client rate, and a 90-day median to a working build, which maps to the roughly twelve-to-sixteen-week concept-to-certified-launch cycle these titles run on. That covers the math, real-time, and compliance engineering a regulated game needs, sized to staff dedicated RNG, math-model, and client squads. We scope the math model, the certification path, and the responsible-gaming surface first, and build to pass. Operator results stay with the operators that earned them, until we have a reference we can name.

200+senior in-house experts
95%repeat clients across engagements
4.9on Clutch
Casino game questions

Casino game development, answered.

The questions operators and suppliers ask us on the first scoping call, answered straight.

Can you build GLI-certified casino games?

We build games engineered to pass GLI certification, and we are precise about who does what. We are the B2B engineering partner: we build the random number generator, the math model, and the platform integrity to the GLI-11 and GLI-19 standards, and we prepare and own the submission to the accredited lab. The lab, such as GLI or iTech Labs, is the body that actually tests and issues the certificate, and the operator is the party that holds the gaming licence. So we do not say we are GLI-certified or that we hold a licence, because that would be inaccurate. What we do is engineer the title so that when it reaches the lab, it is built to pass. That is what shortens the path to a certified, launchable game.

How does the RNG and math model actually work?

The random number generator produces the unpredictable outcomes, and the math model turns them into game behavior. The math model sets symbol distribution, win frequency, paylines, the return-to-player band, which is commonly in the mid-to-high nineties for slots, and the volatility, which is how often and how large wins land. We implement a cryptographically secure or hardware random number generator and validate it against the statistical suites labs use, including NIST SP 800-22 and diehard, checking uniform distribution, unpredictability, and that the sequence does not cycle. The module is sealed and signed so tampering is detectable. We build this first, because the game logic and the certification both sit on top of it.

What is the difference between lab-certified RNG and provably-fair?

They solve the same trust problem in two different ways, and they are not interchangeable. A lab-certified random number generator is tested by an accredited third party, such as iTech Labs or GLI, which reviews the source and the output and certifies that it is statistically random, which is what regulated markets require. Provably-fair is a cryptographic approach common in crypto casinos: the server commits to a seed, the player contributes a seed, and a nonce and a hash let the player independently re-run and verify each outcome after the fact, without trusting the operator. We build both, and for some crypto platforms we build them together, so you get the regulated-market certification path and the on-platform verification a crypto audience expects.

How do you handle different jurisdictions, UK, Malta, and US states?

We treat the jurisdiction matrix as an engineering requirement, and we are clear that we build to the standards rather than hold the licences. For the UK, we engineer outcomes to the Gambling Commission technical standards, including RTS 7, and structure the build so test-house testing can be reported to the Commission. For Malta, we build the supplied software to the MGA technical requirements behind a B2B Critical Gaming Supply licence that the supplier or operator holds. In the US there is no federal licence, so games are certified and audited state by state, with geolocation enforcement, on the New Jersey model. We map your target markets first and engineer the geofencing, the per-market certification, and the reporting each regulator expects.

What does casino game development cost, and how long does it take?

It depends on the game type and the certification scope, so we give a defensible estimate after discovery. As a representative range, a single slot is commonly cited around USD 25,000 to 80,000 or more, and the concept-to-certified-launch cycle for a slot is typically about twelve to sixteen weeks, with table, live-dealer, and crypto titles varying from there. Our median to a working build is 90 days, which lines up with that cycle. On cost, Resourcifi's global delivery model typically lands about 70% below comparable onshore US studio rates, and you can hire casino game developers from our senior, in-house bench, named in writing before you sign, including dedicated RNG and math-model engineers. These ranges are representative, and certification and licensing fees are separate and belong to the lab and the operator.

How do you build responsible gaming and AML in?

We build them as core modules from the first sprint, because regulated operators must provide them as a licensing condition. That means deposit, loss, and session limits, reality-check notifications that prompt a player about time and spend, self-exclusion and cooling-off with the record retention regulators require, and behavioral monitoring that can flag at-risk patterns and trigger interventions. On the financial side we wire in KYC at registration and withdrawal, and anti-money-laundering transaction monitoring, with the audit trail an operator needs to satisfy its regulator. We treat these as part of the platform integrity, not an add-on, because a title that cannot demonstrate them does not get to launch in a regulated market.

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