GLI-19 vs GLI-33
Interactive Gaming Systems versus Event Wagering Systems. What each covers, and when it applies.Both are GLI standards for online products, split by game type. GLI-19 covers interactive gaming systems: online casino games, RNG, RTP and player accounts. GLI-33 covers event wagering: sports-bet acceptance, settlement, geolocation and risk management, retail and online. GLI-19 is the online-casino standard; GLI-33 is the sports-betting standard.
Key differences
- GLI-19 covers online casino and RNG-based games; GLI-33 covers sports and event wagering.
- GLI-33 adds wager settlement, geolocation and risk-management controls that casino gaming does not need.
- GLI-19 centres on RNG fairness; GLI-33 centres on wager acceptance and settlement.
Common questions
What's the difference between GLI-19 and GLI-33?
Both are GLI standards for online products, split by game type. GLI-19 covers interactive gaming systems: online casino games, RNG, RTP and player accounts. GLI-33 covers event wagering: sports-bet acceptance, settlement, geolocation and risk management, retail and online. GLI-19 is the online-casino standard; GLI-33 is the sports-betting standard.
What is GLI-19?
The core GLI technical ruleset that online casino and remote gaming systems must meet to be certified in many regulated markets.
What is GLI-33?
The leading GLI technical standard for sports betting and other event-wagering systems, both retail and online.
More standard comparisons
Sources (6)
Facts from the GLI-19 and GLI-33 profiles · verified 2026-08-03
Not legal advice. This is a neutral teaching comparison; confirm the current requirements against each standard’s own publication before relying on it. 18+.