Gua

Free#4 of 18 in Game Testing Software

Gua: A focused open-source choice for semantic UI and visual regression testing. Ranked #4 of 18 in Game Testing Software by our editors (8.6/10); pricing: Open source; best for open-source visual regression testing.

8.6/10★★★★☆Editor score

Visit Gua

At a glance

• Editor score
  8.6 / 10
• Pricing
  Open source
• Best for
  Open-source visual regression testing
• Paid from
  Free
• Automated test execution
  Yes
• Facts checked
  21 Sep 2026

• Where it wins

  • Semantic selectors locate controls by role, text, ID, and state
  • PNG visual regression testing includes baselines and diffs
  • Diagnostics combine logs, screenshots, and runtime metadata

• Where it doesn't

  • Verified support is limited to Godot and Unity
  • Desktop workflows exclude iOS and Android targets
  • Support is documentation-only

Our verdict on Gua

Gua is an open-source game testing and automation protocol for Godot and Unity. It is aimed at game developers and QA teams that need end-to-end UI testing, semantic control discovery, screenshot capture, visual regression comparison, and selected gameplay input. Tests can work with UI trees rather than screen coordinates, using roles, text, IDs, and state. The project targets Godot 4.7 and Unity 6 on desktop platforms, with Windows, macOS, and Linux listed among its platforms.

Its strongest area is the testing workflow around visual and semantic state. Gua supports state-based waits, semantic action recording and replay, PNG baselines and diffs, virtual time, and bounded gameplay input. Failure diagnostics add logs, screenshots, and runtime metadata, giving teams several artifacts to inspect when a test fails. The World Object Tree can expose selected game-world information, while MCP and browser-native WebMCP connectivity extend how tests, inspectors, and AI agents can interact with the project.

Gua fits teams that want open-source tooling and can work within its engine and platform boundaries. It integrates with MCP, WebMCP, GitHub Actions, NUnit, xUnit, and MSTest, which supports CI-oriented workflows and established test frameworks. The project is MIT-licensed rather than organized around commercial plans, and support is documentation-only. Unity support is documented for desktop Mono workflows, while iOS and Android are not supported targets. Choose Gua for semantic game UI automation and visual regression in Godot or Unity; consider another tool if broader engine coverage, mobile targets, or direct support are priorities.

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Gua pricing

Gua fact sheet

Gua integrations

Gua lists 6 integrations on its own site.

• MCP
• WebMCP
• GitHub Actions
• NUnit
• xUnit
• MSTest

Alternatives to Gua

• ObvraA broad hybrid testing platform for teams automating gameplay, UI, and regression checks.9.3
• GGameDriverRepeatable runtime tests for studios validating games across engines and platforms.9.1
• AltTesterAutomate game UI tests across devices, with object inspection and CI/CD support.8.8

See all Gua alternatives →

Gua vs the competition

• Gua vs Obvra
• GGua vs GameDriver
• Gua vs AltTester
• Gua vs Airtest Project
• GGua vs GAutomator
• Gua vs T-Plan Game Test Automation

Compare Gua with any tool side by side →

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Featured on iTechGuides

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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Last updated 7 Oct 2026 · How we research and update