Regression testing sounds straightforward until you have 200 test cases and a two-day release window.
Not every test case belongs in every regression run
A tiered approach works better than running everything every time. Core gameplay loops, purchase flows, and progression saves belong in every build check. Secondary features like cosmetic menus or leaderboard displays can run on a weekly cycle instead.
Building a lean regression suite
- Identify the five features that would cause immediate uninstalls if broken
- Write one test case per critical flow, focused on the happy path and one failure path
- Automate smoke tests for login, session start, and first purchase attempt
- Reserve manual testing time for areas changed in the current build
- Log every regression bug with the build number it first appeared in
Tracking which build introduced a regression helps identify whether a specific developer, feature area, or integration point is generating repeated issues. That pattern recognition is more useful than any single bug fix.
The honest limitation of regression testing
A passing regression suite means the tested scenarios passed. It does not mean nothing is broken. New device OS updates, backend changes, and third-party SDK updates introduce issues outside any test suite.
Regression testing reduces surprises at launch. It does not eliminate them, and planning accordingly makes the process less stressful for everyone involved.