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How providers certify and test their games
A slot or instant game comes to the showcase only after a long chain of checks: from internal QA and mathematics simulations to external certification in accredited laboratories and post-release monitoring. Below is a practical map of the process through the eyes of the studio/provider and the operator's expectations.
1) Pre-qualification: Internal readiness
1. 1 Mathematics and simulations
Math Spec: description of volatility, pay tables, probabilities of triggers, bonuses, buy-feature (if applicable).
RTP pools: basic (e.g. 96%) and alternative (94/92/88) for different markets and promos.
Simulations of 10-100 million spins: checking RTP, variance, Hit Frequency, Time-to-Bonus, win distributions.
Convergence: actual RTP in the confidence interval; checking "tails" (rare grains).
1. 2 Internal QA (gaming and those)
Functional tests: lines/ways, payouts, features, retriggers, betting limits, autospin/turbo.
UX/localization: fonts, currencies, number formats, line lengths, RTL languages.
Performance: cold start, build size, FPS on weak devices, memory consumption.
Compatibility: browsers/devices/OS versions, fallback Canvas/WebGL.
Client security: integrity of assets, injection attempts, protection against autoclickers in fast games.
Telemetry: analytics events (bet, win, triggers, errors), log correctness.
Output artifacts: Test Plan, Test Matrix, Bug Bash reports, Performance Report, Math Verification v1.
2) Laboratory package
Labs (GLI, BMM, eCOGRA, iTech Labs, etc.) request a standardized set of materials:- RNG description: source of randomness, mixing technique, period, test seats, call interfaces.
- Math/Rules: complete mathematics, tables of payments, probabilities, restrictions, description of features and bonuses.
- Build and hashes: client/server version, checksums, library list.
- Log of changes: comparison of features/fixes, impact on mathematics/UX.
- Logs/telemetry: event format, storage, retention, privacy.
- Jurisdictional profiles: what RTP/features are allowed, game speed, auto-backs, responsible game shows.
- Rules for the player: final text Help/Paytable.
3) What exactly laboratories check
3. 1 RNG и «fairness»
RNG statistical tests: different correlation, uniformity, periodicity, lack of predictability.
Deterministic-binding: correct use of seats, no "reuse" of results.
RNG→iskhod link: traces how random numbers turn into symbols/payoffs.
3. 2 Math and RTP
Verification of pay and probability tables: compliance with the specification under "ideal" generation.
Simulations: the laboratory runs its own series, checking RTP, variance, hit rate, TTB.
Config options: each declared RTP pool and feature switches (for example, disabling Feature Buy) are checked separately.
3. 3 Rules and interface
Help/Paytable accuracy: formulations, percentages, bonus terms.
Responsible play: pop-up warnings, limits, age tags, links to help.
Speed and autospins: compliance with local restrictions (timeouts, delays, turbo modes).
3. 4 Technical implementation
Build integrity: compliance with checksums, lack of debug hooks.
Platform integration: correct billing/sessions/jackpots/bonus tokens.
Logs and audits: completeness of audit rounds, suitability for analyzing incidents.
Result: certificate/letter of conformity with game ID, version, list of allowed configurations and markets.
4) Jurisdictional features (which is often different)
RTP and feature pools: minimal RTP is required somewhere; Feature Buy, turbo and autospins are banned somewhere.
Round time: Minimum delays between spin/rounds.
Content requirements: lack of "children's" images, correct responsible messages, local fonts.
Client vs server: in some markets, client animation is allowed only on top of server outcomes, in others it is even tougher.
Display of winnings: rounding rules, tax texts, local number/currency formats.
5) Change Management
Certification is not a one-time story. Any editing goes through version control:- SemVer and Release Notes: fix, minor (UI/texts), major (mechanics/mathematics).
- Impact analysis: whether the change affects the RTP/volatility/jackpot behavior.
- Recertification: what should go to the lab again; often - even text changes in Help.
- Build-lock: "freezing" certified artifacts; rollback to a certified hash in controversial cases.
6) Operator side testing (UAT/integration)
Even with a certificate, the operator conducts UAT:- Payment sandbox: Deposits/withdrawals/bonus tokens/freespins/jackpots.
- Showcase and tags: correctness of categories (volatility, RTP, "for short sessions"), ratings and recommendations.
- Load: peak simultaneous sessions, WebSocket/HTTP pools, jackpot bus stability.
- Reporting: reconciliation of GGR/NGR downloads, correctness of tax/regulatory reports.
7) Post-release monitoring and incidents
Telemetry in prod: RTP-actual vs declared (in long sample), Avg. Cascades/Spin, Feature Usage, Crash-rate.
Alerts: deviations of actual RTP/billing errors/abnormal retriggers/surges of customer failures.
Incident procedures: "freezing" the game, notifying the operator and regulator, analyzing logs, hotfix/rollback to a certified build.
Periodic audits: quarterly/semi-annual reconciliations with laboratories, rotation of keys/certificates.
8) Check list of the provider before sending to the lab
1. Math Spec and simulations match (RTP/volatility/TTB/hit rate).
2. Help/Paytable are deducted by native speakers, coincide with mathematics.
3. RTP pools are marked in the code/config, switching is logged.
4. Feature Buy (autospin, speed) flags are controlled by market profiles.
5. Build size in limits, download 6. Logs and audits are enabled, events are documented. 7. Checksums and dependency list are fixed. 8. Client security check (integrity, anti-bot) passed. 9. Cover letters and laboratory forms are completed. 10. Region QA on the "certification" build is green. 9) Typical mistakes and how to avoid them Help math mismatch. Any common digit = failure. Make a single source of truth (single source) and the Help autogen from Math Spec. Changing assets after hashes. Even "harmless" editing of the icon requires reassembly and often resertification. Hidden dependencies. Undeclared libraries/fonts raise questions for auditors. Floating RTP. RTP switching must be tightly controlled, with logs and separate certificates. Disabled telemetry. Without prods, it is difficult to defend when arguing with a player/regulator. 10) Roles and Responsibilities (RACI sketch) Producer: timeline, budgets, communications with labs/operators. Game Designer & Mathematician: Math Spec, sims, analysis of deviations. Technlid/Engineers: assemblies, integrations, performance, logs. QA-lead: test plan/matrix, regression, reports. Compliance/Lawyer: forms, market profiles, compliance with standards. Localization: Help/Paytable edits, jurisdictional texts. DevOps: CI/CD, artifacts, hash fixation, release. 11) Key quality metrics (pre- and post-release) RTP actual vs declared (long distance). TTB/Hit Frequency/Small-Win Ratio - session tempo. Stability: crash-rate, JS errors for 1k sessions, average FPS. Load/throughput: peak simultaneous sessions, latency API. Compliance KPI: share of certified builds without remarks, recertification time with changes. Player Trust: complaints about Help/payouts, case parsing speed. 12) Mini-FAQ Do I need to certify each RTP configuration? Yes I did. Each declared RTP is a separate check and bound certificate. Is it possible to "quietly" update the art without recertification? Usually not: the hash/artifacts will change. A change procedure and, often, additional verification is required. Who is responsible for the dispute with the player? The operator communicates, the provider gives audit logs of the round and confirmation of the correctness of the RNG/mathematics. Why telemetry if there is a certificate? For prompt detection of drift of metrics and evidence base in an incident. Certification is not a "stamp on release" but the discipline of the game's entire lifecycle: precise math, reproducible builds, transparent rules, manageable changes, and provable RNG integrity. The provider that builds the process around these principles receives not only certificates, but also the main thing - the trust of the operator and the player, stable retention metrics and security in complex regulatory scenarios.