Anti-Vibe Browser Game Audit

- [ ] Game loop is clear within 5 seconds
- [ ] Restart button always works
- [ ] Pause/resume works
- [ ] Win state exists
- [ ] Lose state exists
- [ ] No unwinnable soft-lock states
- [ ] Score/progress updates correctly
- [ ] Difficulty ramps intentionally
- [ ] Game can be replayed without refreshing the page

- [ ] Controls are designed for thumbs
- [ ] Tap targets are large enough
- [ ] No important control is too close to the screen edge
- [ ] No accidental browser zoom on double tap
- [ ] No unwanted text selection
- [ ] No accidental page scrolling during gameplay
- [ ] Multi-touch behavior tested if needed
- [ ] Touch input feels responsive
- [ ] Controls work for left- and right-handed play where relevant

- [ ] Works on iPhone Safari
- [ ] Works on Android Chrome
- [ ] Handles browser address bar expanding/collapsing
- [ ] Uses the real visible viewport correctly
- [ ] Handles portrait/landscape rotation
- [ ] Orientation is intentionally supported or blocked
- [ ] Safe areas/notches handled
- [ ] No UI hidden behind the home indicator
- [ ] Game survives tab switching
- [ ] Game handles browser back button intentionally
- [ ] Refresh doesn't create broken state

- [ ] Stable FPS on a normal phone
- [ ] No unnecessary per-frame DOM updates
- [ ] No runaway requestAnimationFrame loops
- [ ] No memory leak after repeated restarts
- [ ] Images/textures compressed
- [ ] Audio compressed
- [ ] Assets are preloaded appropriately
- [ ] Loading screen appears for slow connections
- [ ] Large assets don't block first interaction
- [ ] Particle counts/effects are capped
- [ ] Performance tested with battery saver / lower-end devices

- [ ] Input latency feels low
- [ ] Inputs aren't dropped during frame drops
- [ ] Buttons have pressed/active feedback
- [ ] Hits/collisions feel consistent
- [ ] Movement speed is frame-rate independent
- [ ] Physics uses delta time correctly
- [ ] No impossible-to-read tiny UI
- [ ] Important feedback uses more than subtle animation alone

- [ ] Game does not autoplay audio before interaction
- [ ] Mute button exists
- [ ] Volume setting works
- [ ] Audio resumes correctly after tab/app switching
- [ ] Multiple sound effects don't explode in volume
- [ ] Background music loops cleanly
- [ ] Game remains playable muted

- [ ] Initial load state
- [ ] Asset loading progress or feedback
- [ ] Failed asset state
- [ ] Offline/disconnected state if network is required
- [ ] Slow network tested
- [ ] API failures don't freeze the game
- [ ] Retry behavior exists where appropriate

- [ ] Start screen
- [ ] Instructions/how-to-play screen
- [ ] Pause screen
- [ ] Game-over screen
- [ ] Restart CTA
- [ ] Score clearly visible
- [ ] High score clearly visible if applicable
- [ ] UI scales across small and large phones
- [ ] Text doesn't overflow
- [ ] HUD doesn't cover gameplay-critical areas

- [ ] High score persists correctly
- [ ] Settings persist
- [ ] Save data has sane defaults
- [ ] Corrupted/missing localStorage doesn't crash the game
- [ ] Reset-save option exists if needed
- [ ] Version updates don't destroy state unexpectedly

- [ ] Random generation can't create impossible situations
- [ ] Spawn locations are validated
- [ ] Player gets enough reaction time
- [ ] Hitboxes roughly match visuals
- [ ] Difficulty isn't tied to device performance
- [ ] Ads/popups never interrupt active gameplay

- [ ] Color isn't the only gameplay signal
- [ ] Adequate contrast
- [ ] Reduced-motion behavior where relevant
- [ ] Instructions aren't dependent only on icons
- [ ] Sound isn't the only important feedback
- [ ] Essential buttons have accessible labels

- [ ] Loading animation
- [ ] Button feedback
- [ ] Hit feedback
- [ ] Damage/death feedback
- [ ] Score feedback
- [ ] Screen transitions
- [ ] No placeholder graphics
- [ ] No debug text
- [ ] No console spam
- [ ] No invisible clickable areas
- [ ] No obviously unfinished menus

- [ ] No game logic tied directly to FPS
- [ ] No giant single-file spaghetti game loop
- [ ] Game states are explicit (menu, playing, paused, gameover)
- [ ] Input logic separated from rendering
- [ ] Collision logic separated from visuals
- [ ] Restart actually resets every relevant variable
- [ ] Timers/intervals cleaned up on restart
- [ ] Event listeners aren't duplicated after restart
- [ ] Object/entity cleanup works
- [ ] Errors are handled instead of silently ignored

- [ ] Played for 10+ minutes on a real iPhone
- [ ] Played for 10+ minutes on a real Android phone
- [ ] Tested one-handed
- [ ] Tested with bad Wi-Fi
- [ ] Tested after locking/unlocking phone
- [ ] Tested after switching tabs/apps
- [ ] Tested repeated game overs/restarts
- [ ] Tested at 100% and low battery
- [ ] Another person can figure out how to play without explanation
- [ ] It's actually fun after the first 30 seconds