Game testing that covers devices, networks, telemetry and how the game feels
A game can run perfectly on the developer's machine and fall apart on a mid-range phone, on a flaky connection or after three hours of play. We test across devices and sessions, validate the analytics you steer by, and put human players on the parts only people can judge.
Overview
What it is. Game testing covers gameplay, progression, multiplayer and online services, purchases, compatibility across devices, performance and stability, telemetry accuracy and the overall player experience.
Who it is for. Studios and publishers of mobile and online games, platforms with live events and in-game economies, and teams who rely on analytics to steer design.
Why it matters
The problem it addresses. Games are interactive, stateful and often online. Faults emerge from long sessions, odd sequences, network trouble and the long tail of devices, and some of the most important problems, such as unfairness or frustration, are not defects in a bug-tracker sense.
When it matters most. Before soft launch and launch, before live events and seasonal updates, when adding platforms or monetisation, and when analytics and player reports disagree.
What happens without it. Crashes and stalls drive refunds and bad reviews; store thresholds reduce visibility; wrong telemetry sends design decisions in the wrong direction.
What we test
Gameplay functional testing
rules, progression, save and load, edge cases and exploits
Multiplayer and online services
matchmaking, latency, desynchronisation, reconnection
In-game purchases and economy
purchase, entitlement, restore and refund flows
Device and OS compatibility, including controllers and input methods
Performance and stability
frame rate, load times, memory, thermal and battery behaviour, crash and ANR rates
Analytics and telemetry validation across platforms
Launch and live-event load behaviour
Accessibility options, using game accessibility guidelines as a checklist
Localization of in-game text and store content
How UpDoer approaches Game Testing
Understand
Requirements, tickets, code diffs and product context.
We learn the game's design intent, target devices, platforms, monetisation and live-ops plans, and what players already complain about.
Risk Mapping
Where a failure would cost the most.
Systems are ranked by cost of failure, such as purchases, progression loss and crashes on popular devices, and by how often they change.
Test Strategy
Coverage chosen, test cases drafted.
We define the device matrix, the session lengths and network conditions to test, and the telemetry events that must be correct.
Execute
Manual and automated testing runs.
Testers play through scripted and exploratory sessions on real devices, with long, interrupted and poor-network runs, and automation covers stable flows.
AI-Assisted Quality Engineering
Failures classified, release risk scored.
AI clusters crashes and telemetry anomalies, compares frames and screens across devices and summarises playtest notes into themes.
Human Verification
A QA engineer checks every flagged result.
Human playtesters judge feel, fairness and comfort, and QA engineers confirm which defects are reproducible and how severe they are.
Report & Improve
The verified quality signal, then better coverage.
Reports present stability and compatibility results, telemetry correctness, open design concerns and a launch-readiness view, with gaps stated.
Game testing: devices, sessions and how it feels
01
Where it breaks
Crash on one phone modelDesync after long playEvents fire twice02
Test workflow
Game clientGameplayDeviceTelemetry03
AI assists
Cluster crash signaturesFlag telemetry anomaliesCompare frames04
Humans decide
Playtesters judge feelConfirm real-device behaviour05
Release signal
Stability by deviceTelemetry correctLaunch call by a person
Illustrative workflow. Not a client result or a measured outcome.
Game testing matrix
A dash means no AI step is described for that area.
| Area | What we validate | AI assistance | Human validation |
|---|---|---|---|
| Gameplay and progression | Rules, saves, edge cases, exploits | Drafts scenarios from design docs | Playtesters judge feel and fairness |
| Multiplayer and online | Matchmaking, latency, desync, reconnect | Clusters failures by network condition | Reproduces and assesses real-world play |
| Purchases and economy | Purchase, entitlement, restore, refund | — | Judges player-facing impact |
| Devices and input | Device models, OS versions, controllers | Groups crashes by device | Confirms on real hardware |
| Performance and stability | Frame rate, load time, memory, thermal, crash and ANR | Summarises session metrics | Interprets with engineers and the store thresholds |
| Telemetry | Event correctness, order and volume across platforms | — | Confirms against the analytics plan |
| Accessibility | Subtitles, remapping, difficulty, visual and motor options | Not applicable | Evaluates against the guidelines |
Area: Gameplay and progression
- WHAT WE VALIDATE
- Rules, saves, edge cases, exploits
- AI ASSISTANCE
- Drafts scenarios from design docs
- HUMAN VALIDATION
- Playtesters judge feel and fairness
Area: Multiplayer and online
- WHAT WE VALIDATE
- Matchmaking, latency, desync, reconnect
- AI ASSISTANCE
- Clusters failures by network condition
- HUMAN VALIDATION
- Reproduces and assesses real-world play
Area: Purchases and economy
- WHAT WE VALIDATE
- Purchase, entitlement, restore, refund
- AI ASSISTANCE
- —
- HUMAN VALIDATION
- Judges player-facing impact
Area: Devices and input
- WHAT WE VALIDATE
- Device models, OS versions, controllers
- AI ASSISTANCE
- Groups crashes by device
- HUMAN VALIDATION
- Confirms on real hardware
Area: Performance and stability
- WHAT WE VALIDATE
- Frame rate, load time, memory, thermal, crash and ANR
- AI ASSISTANCE
- Summarises session metrics
- HUMAN VALIDATION
- Interprets with engineers and the store thresholds
Area: Telemetry
- WHAT WE VALIDATE
- Event correctness, order and volume across platforms
- AI ASSISTANCE
- —
- HUMAN VALIDATION
- Confirms against the analytics plan
Area: Accessibility
- WHAT WE VALIDATE
- Subtitles, remapping, difficulty, visual and motor options
- AI ASSISTANCE
- Not applicable
- HUMAN VALIDATION
- Evaluates against the guidelines
Where AI helps
- Clustering crash logs and error traces by signature and device to find repeated causes.
- Summarising playtest notes into themes, with the original notes kept for reference.
- Drafting scenarios from design documents for testers to refine.
How we use AI: AI can accelerate test design, analysis and repetitive QA work, but important outputs remain subject to human review and validation. It informs the release decision; it does not make it.
Where humans matter
- Judging whether the game is fun, fair, well paced and comfortable to play.
- Exploring unscripted behaviour: odd sequences, exploits, rule-breaking.
- Testing feel on real devices: touch response, heat, battery and interruptions.
- Deciding whether a visual or audio flaw detracts from the experience.
- Evaluating accessibility options and content suitability for the audience.
Tools we build with
- Automation
- SeleniumPlaywrightAppiumKatalonTestComplete
- API & Performance
- PostmanSoapUISwaggerApache JMeter
- CI/CD & Reporting
- JenkinsTeamCityAllureMaven
Related services
Relevant industries
Frequently asked questions
Which platforms and engines do you test?
Mobile games across iOS and Android are covered in our published work. Console, PC and specific engines are confirmed in scoping, and we say so where we lack experience.
Do you handle console certification?
Platform certification requirements are normally shared directly with platform partners. We do not claim certification experience unless it is confirmed for your platform.
Can you validate our analytics events?
Yes. We test that each key event fires correctly across platforms and sessions, and we report discrepancies with evidence.
Can AI replace playtesters?
No. AI helps analyse logs, telemetry and screens. Whether a game is fun, fair and comfortable is judged by people playing it.