OptionalaccessibilityOptionalbackgroundOptionaldebugOptionaldevOptionalheadlessOptionalheightOptionalinputOptionalinputExtra input providers added to the InputManager at boot. Used by the test
harness to inject a ScriptedProvider so scenarios can drive gameplay
without real keyboard / touch / gamepad events.
OptionalnetworkOptionalparentOptionalphysicsOptionalpixelOptionalpluginsOptionalsaveOptionalscaleOptionalwidth
Boot in headless mode (Phaser.HEADLESS): no canvas, no audio, no rendering. Used by the test harness to run many game instances simultaneously for automated testing, bulk seed sweeps, and input fuzzing.