iGaming & Esports Random Number Generator Certification

RNG Testing Includes

GLI’s RNG evaluations typically include elements of scope such as the following depending on the type of RNG being tested:

No lab in the world provides the level of iGaming RNG assurance that GLI does. Don’t take a chance with this most critical portion of your iGaming system. Trust in GLI and contact us to receive the highest level of RNG assurance and testing today.

What does RNG stand for in gaming?

In an RNG game or any gaming RNG context, RNG stands for Random Number Generator. When people ask “what is RNG in gaming,” they are referring to the RNG generator that produces unpredictable results used to power outcomes such as card draws, enemy spawns, or loot drops. Across RNG certified games and esports platforms, the term RNG is shorthand for the engine that ensures randomness and fairness.

How does a random number generator work?

An RNG generator, often called a gaming RNG or RNG gaming number generator, outputs sequences of numbers mapped to in-game events. In practice, the software initializes with a seed and then runs algorithms to generate a stream of values within a defined RNG range. Testing examines seeding/re-seeding, period, and background cycling to ensure RNG in games behaves as expected. Outcome Distribution Tests and DIEHARD batteries validate that the RNG generator does not cluster results unfairly and that the distribution is statistically sound for RNG certified games.

What is the difference between true RNG and pseudo RNG?

True RNG uses physical entropy (for example, electronic noise) to create randomness, while pseudo RNG (PRNG) uses deterministic algorithms that simulate randomness from a seed value. In many iGaming environments, a pseudo RNG generator is used because it is faster and easier to audit. However, rigorous generator certification ensures a pseudo RNG exhibits a long period, uniform distribution, and unpredictability sufficient for an RNG game. For applications needing the strongest unpredictability, true RNG may be incorporated or used to seed the gaming RNG for stronger randomness in RNG certified games.

Can RNG be manipulated or predicted?

With proper generator certification, manipulation or prediction becomes impractical. GLI’s scope—source code review, seed/re-seed investigation, and statistical batteries—detects weaknesses that could make RNG in games predictable. A poorly implemented RNG gaming number generator with a short period, insufficient entropy, or exposed seed could be vulnerable. By contrast, a certified RNG generator with robust seeding and secure implementation resists prediction, ensuring fairness across an RNG game. Continuous monitoring and re-testing help confirm that the gaming RNG remains resistant to tampering.

Why do games use RNG for loot drops?

Games use RNG for loot drops to create variability, excitement, and replayability. The RNG generator maps ranges of numbers to loot tables, ensuring that outcomes vary from session to session. This unpredictability is central to what is RNG in gaming: it adds suspense while maintaining fairness through audited distributions. Developers rely on RNG in games to balance economies and progression, while independent generator certification verifies that the gaming RNG applies probabilities correctly. For players, RNG certified games provide assurance that loot drop chances are consistent with published odds and that the RNG gaming number generator is functioning as intended.

Why GLI for RNG testing and certification?

GLI delivers unmatched assurance for iGaming and esports through rigorous evaluation of the RNG generator components that drive gameplay. From code review to DIEHARD and Outcome Distribution Tests, our methodology validates both pseudo and true RNG implementations commonly used in an RNG game. We verify seeding, period, and cycling to ensure that RNG in games remains fair and compliant across jurisdictions. Choose GLI for generator certification so your players can trust your gaming RNG, your regulators can verify integrity, and your operation can confidently state it offers RNG certified games supported by a robust RNG gaming number generator and continuous oversight.