Independent RNG testing is required in many licensed gambling jurisdictions, but the exact obligations depend on local law, the gambling activity, system architecture and regulator. RUE assists with requirements analysis, documentation, coordination with recognised testing laboratories and regulatory submissions.
A Random Number Generator (RNG) is a software-based or hardware-based mechanism used to generate random values that may determine the outcomes of casino games, lotteries, virtual sporting events and other gambling products involving chance.
Independent RNG testing evaluates whether the generator meets the statistical randomness, unpredictability, independence, distribution and implementation requirements established by the applicable regulatory or technical standards.
RNG certification should be distinguished from the certification of individual gambling games. While RNG testing focuses on the reliability and fairness of random number generation, game certification may additionally examine game mathematics, outcome mapping, payout calculations, theoretical return-to-player (RTP) percentages and compliance with game-specific technical requirements.
For example, the UK Gambling Commission requires relevant gambling software to comply with its Remote Gambling and Software Technical Standards (RTS), including RTS 7 concerning the generation of random outcomes. In Ontario, certain gambling technologies, including RNGs and games, must be certified by testing laboratories registered with the Alcohol and Gaming Commission of Ontario (AGCO).
Banks, payment service providers and commercial partners may request technical compliance documentation as part of their due diligence procedures. However, the requirement to provide a particular RNG certificate depends on the regulatory framework, contractual arrangements and type of gambling product involved.
Our standard package for operators and software providers seeking RNG certification for gambling products. Scope can be tailored to your target jurisdictions and existing testing-lab relationships.
Certification is simultaneously a licensing condition, a player-protection mechanism and a commercial precondition for market access.
Independent RNG testing is required for many gambling products, but the exact certification scope depends on the jurisdiction and product.
RNG testing provides technical assurance of randomness and fairness, but does not guarantee that a gaming system can never be compromised.
Payment processors, game aggregators and platform partners require proof of current RNG certification before onboarding a game or operator.
Independent RNG certification is a standard licensing condition across virtually all reputable gambling jurisdictions — including the Malta Gaming Authority (MGA), the UK Gambling Commission (UKGC), the Isle of Man, Gibraltar, Alderney, Kahnawake, the Curaçao licensing framework, and the regulated US and Canadian state and provincial markets. The detail differs.
Some regulators maintain a list of approved testing laboratories (GLI, iTech Labs, BMM Testlabs, eCOGRA, NMi) and accept certificates only from a lab on that list.
Some jurisdictions require RNG testing at the platform level in addition to testing each individual game.
Ongoing requirements vary by jurisdiction: some require periodic audits, while material changes to RNGs, game maths or fairness controls may trigger re-testing.
Batteries of statistical tests — chi-square tests, run tests, correlation tests and frequency distribution analysis — are applied to millions of simulated outcomes to confirm the RNG shows no detectable pattern or bias.
The laboratory verifies that the actual, simulated RTP of the game matches the RTP percentage disclosed to players and regulators, within an acceptable statistical tolerance.
Testers examine how the RNG is seeded and whether the entropy source is sufficiently unpredictable to prevent reverse-engineering of future outcomes.
Testing laboratories assess the characteristics of the random number generation mechanism, including its statistical independence, unpredictability, internal state management and the length of its generation cycle, where applicable.
Software-based pseudorandom number generators are deterministic algorithms that may eventually repeat their output sequences. The existence of a theoretical repetition cycle does not automatically indicate that an RNG is unsuitable for regulated gambling applications.
The relevant technical assessment focuses on whether the RNG has a sufficiently large generation period, whether its output is statistically appropriate and whether future outcomes remain computationally unpredictable under the applicable security assumptions.
Testing may also examine seeding procedures, state transitions, synchronisation risks and the mapping of random values to game outcomes.
The objective is to establish compliance with the relevant technical standards rather than to demonstrate that repetition is mathematically impossible.
Testers assess whether the RNG algorithm and its implementation are protected against manipulation by the operator, the software provider or external attackers.
Beyond the mathematical model, the laboratory reviews how the RNG is implemented in the live software to confirm that the certified algorithm is what actually runs in production.
The sequence below is the standard route from laboratory selection to a certificate filed with your regulator.
Choose a laboratory recognised in your target licensing jurisdiction(s) — the accepted list varies between regulators.
Assemble the RNG algorithm description, source code and game math model required by the laboratory.
Files are submitted to the laboratory under a testing and confidentiality agreement.
The laboratory runs statistical, RTP and security testing over an agreed testing period.
Address any findings or remediation requests raised by the laboratory before the report is issued.
The laboratory issues the RNG certification report and certificate.
After testing, submit the relevant report or certificate to the regulator where required. RNG certification does not itself constitute a gambling licence.
Plan periodic recertification and re-test after any material change to the RNG or game math.
Timelines assume the technical documentation package is complete at submission; incomplete filings are the most common cause of delay.
Operating gambling products without the independent testing or technical certification required by the applicable licensing jurisdiction may constitute a breach of gambling legislation, licensing conditions or regulatory technical standards.
Depending on the jurisdiction, the seriousness of the violation and the circumstances of the individual case, potential consequences may include:
Refusal or delay of a gambling licence application where mandatory technical documentation has not been provided.
Regulatory directions requiring the operator to suspend the use of non-compliant gaming software.
Administrative or financial penalties imposed by the competent gambling authority.
Suspension or revocation of a gambling licence in cases involving serious or persistent regulatory breaches.
Additional independent testing, remediation measures or technical compliance audits.
Contractual consequences involving gaming content aggregators, software providers or payment service providers.
Reputational damage and reduced confidence among players and commercial partners.
The enforcement measures available to a gambling regulator depend on the relevant national legislation and the specific licensing conditions applicable to the operator.
A missing RNG certificate does not automatically result in licence revocation or financial penalties in every jurisdiction. Regulatory consequences must be assessed on a case-by-case basis.
We work alongside accredited testing laboratories and manage the legal and administrative side of certification, so your technical team can focus on the product.
We prepare the full technical documentation package the laboratory requires at submission.
We draft and negotiate the RNG certification and testing agreement, including confidentiality terms.
We track the testing timeline with the laboratory and manage remediation of any findings raised.
We align the certification scope with the specific technical requirements of your target licensing jurisdiction.
The duration of RNG testing and certification depends on the complexity of the software, the scope of the technical assessment, the laboratory’s workload and the requirements of the relevant gambling jurisdiction.
For a relatively straightforward RNG implementation with complete technical documentation, laboratory testing may take approximately four to eight weeks. However, this timeframe should be treated as an indicative estimate rather than a guaranteed completion period.
More complex gaming platforms, multiple game configurations, additional integration testing or identified technical deficiencies may significantly extend the certification process.
Where remediation is required, the laboratory may need to repeat certain tests before issuing its final report.
The overall regulatory approval process may also involve additional steps after completion of laboratory testing, depending on the licensing authority.
Not necessarily. The requirement to obtain a separate RNG certificate depends on the technical architecture of the gaming software and the regulatory requirements of the relevant jurisdiction.
Where multiple games use the same previously certified RNG implementation, a new RNG certificate may not be required for every individual game.
However, each game may still require separate technical testing to verify its mathematical model, payout calculations, outcome mapping, return-to-player (RTP) percentage and compliance with applicable game-specific requirements.
For example, the Malta Gaming Authority distinguishes between the introduction of new games using an already approved RNG and the introduction of games requiring approval of a new RNG.
Similarly, under the UK Gambling Commission’s testing strategy, changes to a shared RNG affecting multiple games may require representative integration testing rather than full individual RNG recertification for every affected game.
Different RTP configurations may require separate assessment where they constitute distinct mathematical models or affect the game’s certified characteristics.
The exact testing scope should be confirmed with a laboratory approved or recognised by the relevant gambling regulator.
GLI, iTech Labs, BMM Testlabs, eCOGRA and NMi are among the laboratories most widely recognised across MGA, UKGC, Isle of Man, Gibraltar, Kahnawake and other established licensing regimes, though the accepted list varies by jurisdiction.
Not all gambling jurisdictions impose a universal expiration date or mandatory annual renewal requirement for RNG certificates.
The validity of an RNG certificate depends on the relevant technical standards, regulatory requirements and the scope of the original certification.
Some jurisdictions require periodic compliance audits or additional technical assessments. Other frameworks require renewed testing primarily when material modifications are introduced to the RNG, gaming software or mathematical model.
In the United Kingdom, applicable gambling licence holders must comply with annual games testing audit requirements. This obligation is separate from the requirement to submit new or materially modified games for independent testing.
Changes affecting random number generation, seeding, outcome mapping or payout calculations may require reassessment by an approved testing laboratory.
Operators should verify whether their existing certification remains valid for the current software version, gaming environment and intended licensing jurisdiction.
Yes — we advise on the most suitable accredited laboratory for your target jurisdiction and game type, and manage the engagement on your behalf.
Tell us your target jurisdictions, game portfolio and existing lab relationships — we will scope the certification and manage the laboratory engagement.
Fixed-fee package: 12,000 EUR. Bespoke scope on request.
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