- What it is: the ISTQB Certified Tester Gambling Industry Tester (CT-GT) certifies that you know how software and hardware are tested in the gambling industry: casinos, slot machines, video lottery terminals, sports betting and online gambling.
- Current version: the 2019 syllabus (March 2019), in the ISTQB Specialist stream.
- Prerequisite: the ISTQB Foundation Level (CTFL) certification.
- Content: 3 chapters and 740 minutes (about 12 hours) of minimum training; the chapter on test types takes 435 minutes.
- Exam: 40 questions, 40 points, pass mark 26 (65%), 60 minutes (75 if it isn't your native language). All questions are K1 or K2.
- What sets it apart: compliance with each jurisdiction's rules, certification by independent test labs (ITLs) and game math testing (RNG and RTP).
In almost no other industry can a software defect lead a regulator to pull your product from every venue in a country or state. In gambling it can: if a machine pays out incorrectly, if its random number generator shows a pattern or if it breaks a jurisdictional rule, the manufacturer can lose its license and its spot on the casino floor. The ISTQB Gambling Industry Tester (CT-GT) certification brings together the knowledge a tester needs to work in that environment. This guide explains what it covers, what the exam looks like and how to prepare.
What CT-GT is and where it sits in the ISTQB portfolio
CT-GT belongs to the ISTQB Specialist stream, among the industry-focused certifications. Its current syllabus is the 2019 version, released in March 2019 after a technical review of the 2018 release 1.7. It was originally published as a Foundation Level specialist module.
The syllabus focuses on three areas: the industry's key concepts, its ecosystems (who develops, who manufactures, who certifies and who regulates) and the test types common in the sector. A curious detail from the document itself: the Japan board (JSTQB) decided not to introduce or certify this module.
Don't confuse it with the Game Testing (CT-GaMe) certification, which is about video games. To see both on the full map, check our ISTQB certification guide.
Who it is for and prerequisites
According to the syllabus, CT-GT is aimed at anyone in software testing who wants to broaden their knowledge of the industry, start a specialist career in it or who already tests casino and lottery software. It also targets test analysts and engineers, consultants, test managers, user acceptance testers, product managers and developers, plus anyone who needs a basic understanding of the topic: project, quality or development managers, business analysts, IT directors and consultants in the sector.
It is especially useful if you work, or want to work, for machine manufacturers, casino game developers, online casino operators, sports betting platforms, lotteries or certification labs.
Official requirements
- Mandatory: hold the ISTQB Foundation Level (CTFL) certification before taking the exam.
- Not mandatory: an accredited course or prior industry experience.
What you will be able to do: the syllabus business outcomes
| Code | What you will be able to do |
|---|---|
| GTFL-01 | Communicate efficiently and effectively using a common vocabulary within the industry. |
| GTFL-02 | Understand the specific quality attributes that require testing in this industry. |
| GTFL-03 | Understand typical test practices based on the sector's standard development and testing methodologies. |
| GTFL-04 | Understand hardware and software certification, the main difference between this industry and others. |
| GTFL-05 | Use established techniques to design tests aligned with the sector's specific needs. |
| GTFL-06 | Appreciate the importance of jurisdictions and regulatory bodies. |
The CT-GT syllabus chapter by chapter
As in other specialist syllabi, each learning objective has a minimum time (mostly 15 minutes). The chapter summary:
| Chapter | Minimum time | Max K-level | Key topics |
|---|---|---|---|
| 1. Introduction to the gambling industry | 215 min | K2 | Specific skills, game types, progressive jackpots, RNG, win selection, privacy and geolocation, regulators, metrics, lifecycle, ITLs |
| 2. The gambling industry ecosystems | 90 min | K2 | Test phases, compliance testing, VLT, slot machine and lottery ecosystems |
| 3. Testing in the gambling industry | 435 min | K2 | Gambling and wagering, math, platform, casino system, protocols, hardware, remote gambling, security, jackpot, online gambling |
Chapter 1. Introduction to the gambling industry
It starts by explaining why this industry needs its own syllabus. Some testing doesn't exist in other sectors:
- A proprietary ecosystem: hardware, firmware and operating systems unique to the industry.
- Compliance testing: the syllabus mentions more than 440 certification boards worldwide, each with rules affecting hardware, software, platform, audio, video, math and return-to-player calculations. A single game must comply with the rules of every place it is played.
- The fun factor: games must work, be intuitive and also be fun.
- Math testing: pay tables, permutations, RNG results and RTP calculations.
- Audio, multiplayer and interoperability with the open or proprietary protocols of each jurisdiction's central server.
It then defines gambling and reviews the types of games: casino games (table games, electronic gaming machines or EGMs such as slot machines and video lottery terminals or VLTs, and random number ticket games such as keno), lotteries (traditional and instant), race and sports wagering, and online and mobile gambling.
Next come key concepts you will see on the exam:
- Progressive jackpots.
- RNG (random number generator): the heart of any machine-based game; it is certified by an ITL or the regulator.
- The win selection process, step by step: start of spin, the RNG generates a raw number, it is scaled to a usable number, mapped to a game element, the outcome is evaluated, credits are awarded or taken, the outcome is displayed, the prize is paid and the spin ends. Each step is a test point.
- Player privacy and geolocation: for example, verifying that the system blocks play if the player is outside the permitted area.
- Regulatory commissions, jurisdictions and associations.
It closes with two industry-specific metrics, first pass percentage and escaped compliance defects (the resubmittal factor and the number of revocations), and the development lifecycle: concept and design, Alpha phase, Code Complete, Beta Build with pre-certification testing, and Release Build, which goes to the independent test lab (ITL) for certification before the regulator approves the game.
Chapter 2. The gambling industry ecosystems
It describes the test phases. First, internal gambling quality assurance, which follows the ISTQB test process and includes localization, functional, performance, memory leak, installability, portability, system integration, operational, pre-compliance and customer acceptance testing. Then compliance testing against each jurisdiction's specifications: rules of play, RNG and payout percentages, bonus games, electronic metering, game history, power-up and power-down, and permitted configurations.
It also explains who's who in the ecosystem (game developers, machine manufacturers, independent test labs and regulatory commissions) and the specific ecosystems of VLTs, slot machines and lotteries. Example: a VLT can generate the outcome on the terminal itself or on a central server, and each architecture changes what is tested and where.
Chapter 3. Testing in the gambling industry
The longest chapter (435 minutes) walks through each type of testing and its functional and compliance versions:
- Gambling and wagering testing: functionality, common defects and compliance for casino games.
- Math testing: the tester doesn't design the math, but verifies that the RNG shows no patterns, that the implementation matches the PAR sheet (the document detailing the pay table, symbols per reel, RTP, hit frequency, volatility and jackpot odds) and that jurisdictional rules are met. Example: if a jurisdiction requires a minimum RTP, you must confirm the chosen configuration respects it.
- Platform testing: the base software the games run on.
- Casino system testing: machine management, accounting and loyalty programs.
- Protocol testing: communication between machines and central systems, with standards such as G2S (Game to System).
- Hardware testing: functional, compliance and integration testing (bill validators, ticket printers, displays, buttons).
- Remote gambling, system and network security and jackpot controllers.
- Online gambling: RNG and RTP, player registration and protection, payment gateway transactions, geolocation, collusion detection in multiplayer games, tournaments, game history and audit logs, browser and device compatibility, load testing and affiliate testing.
Download the official syllabus
Download the current syllabus to study from the original source. At the time of writing, it is available in English and includes a glossary of industry terms and a list of regulatory commissions.
The CT-GT exam
| Item | Value |
|---|---|
| Number of questions | 40 (multiple choice) |
| Total points | 40 |
| Pass mark | 26 points (65%) |
| Duration | 60 minutes; 75 minutes if you take it in a language that isn't your native language (+25%) |
| Distribution by K-level | 5 K1 questions and 35 K2 |
| Prerequisite | ISTQB Foundation Level (CTFL) certification |
Source: ISTQB exam structure tables. There are no application (K3) or analysis (K4) questions: the challenge is the vocabulary and really understanding each test type, its areas and the difference between functional and compliance testing.
Exam formats
- Online with remote proctoring (iSQI FLEX): from home, 24/7, with a webcam, microphone, a second camera (your phone) and a government-issued ID. Book ahead and confirm the minimum lead time when you book.
- Pearson VUE: iSQI also offers this exam at test centers.
- At your company: for 6 or more people, Cool Testers brings a proctor for an in-person exam.
Paper exams are no longer offered. At the time of writing, iSQI offers CT-GT in English, with 25% extra time if English isn't your native language. The certification is worth the same in any language.
Where to buy it
- Directly from iSQI, our partner and official exam provider, if you are paying yourself.
- Through Cool Testers, with 1 or 2 attempts and 1 year to take it, if your company pays, you get reimbursed or you need an invoice: buy or get a quote for your certification exam.
Questions? Message us on WhatsApp.
How to prepare for CT-GT
Cool Testers doesn't currently offer a dedicated CT-GT course. Here is the path we recommend:
- Start with Foundation Level. It is mandatory, and the gambling syllabus builds on the CTFL test process, test types and sequential model. Take our ISTQB Foundation Level (CTFL 4.0) course, with 40 live hours, a pre-recorded course, an Express review course and 4 practice exams, and plan your path with the ISTQB certification guide.
- Master the glossary and acronyms: EGM, VLT, RNG, RTP, ITL, PAR, G2S, first pass, revocation. The syllabus includes an acronym table and a domain glossary; it is your best tool, because the exam is almost all K2.
- Map the ecosystem: who develops, who manufactures, who certifies and who approves, and at which lifecycle phase each one steps in.
- Build a table for each test type in chapter 3 with two columns: what functional testing covers and what compliance testing covers. Many questions play on that difference.
- Practice with the syllabus PAR sheet: interpret RTP, hit frequency and volatility for each row.
- Take the official sample exam.
Does your company build software for casinos, lotteries or betting and need to train its QA team? Request a corporate training proposal.
Benefits and career paths
- A regulated, specialized industry: knowledge of jurisdictional compliance, ITLs and game math isn't learned in other sectors, which makes people who master it scarcer.
- A common vocabulary with the industry: it helps you integrate quickly into manufacturer, operator or lab teams.
- Transferable: what you learn about compliance, auditing, payments and security is valuable in other regulated industries, such as finance.
Related roles: casino game QA tester, compliance tester, math and RNG test analyst, online betting platform tester, certification lab test engineer.
How it relates to other certifications and what comes next
- Game Testing (CT-GaMe): complements with sound, graphics, levels and localization, which also matter in casino games.
- Security Test Engineer (CT-STE): system, network and payment security is critical in online gambling.
- Performance Testing (CT-PT): tournaments and sporting events create load spikes.
- Mobile Application Testing (CT-MAT): much online gambling happens on mobile.
- Test Analyst (CTAL-TA): the next level for going deeper into test design.
Frequently asked questions
What is the CT-GT certification?
It is the ISTQB Certified Tester Gambling Industry Tester. It certifies that you know how casino, lottery, betting and online gambling software and hardware are tested, including jurisdictional compliance and game math testing.
Is it the same as the video game certification?
No. CT-GT is about gambling (casinos, lotteries, betting). For video games there is the ISTQB Game Testing (CT-GaMe) certification.
What are the CT-GT prerequisites?
You need the ISTQB Foundation Level (CTFL) certification before taking the exam. An accredited course or industry experience is not mandatory.
What is the CT-GT exam like?
It has 40 questions worth 40 points in total; you pass with 26 (65%). It lasts 60 minutes, or 75 if you don't take it in your native language. All questions are K1 or K2.
What are RNG and RTP?
The RNG is the random number generator that determines game outcomes. RTP (return to player) is the percentage of money wagered that the game pays back to players in winnings over time. Both are tested and certified.
What is an ITL?
An Independent Test Lab that certifies that a game's software, hardware, firmware and platform comply with the rules of each jurisdiction where it will operate.
Does Cool Testers offer a CT-GT course?
Not at the moment. We recommend starting with the ISTQB Foundation Level (CTFL 4.0) course, which is a prerequisite, and preparing with the official syllabus and sample exam.