- SoundManager via Web Audio API (no asset files needed) with procedural
SFX for jump, spring, powerup, stomp, break, death, milestone, new-best
- Sound persists mute state in localStorage; mute button on Menu and Game
- Pause system: ESC key or onscreen pause button, modal overlay with
Resume and Main Menu options, physics correctly paused/resumed
- First-run tutorial overlay explaining controls and platform types,
dismissed and remembered via localStorage flag
- Touch indicator hints fade after 3.5s on touch devices only
- Menu start triggers AudioContext initialization (browser autoplay rules)
- GameOverScene supports ENTER/SPACE shortcut for retry, NEW BEST text
now pulses, sounds fire on each transition
