Test Playable Web Games Combine deterministic tests with short real playthroughs. Do not treat a green build as gameplay proof. Start with a test matrix Map the player journey: launch, new game, controls, core action, enemy encounter, reward, inventory/progression, save/continue, loss/retry, pause, settings, and completion. Add device variants for desktop keyboard/mouse, touch portrait, touch landscape, and reduced motion. Prefer deterministic review states Create seedable fixtures, debug routes, or query parameters for combat phase, inventory loadout, boss phase, tutorial step, save migratio…