- Accessibility-friendly: The game can be played using only the keyboard (no mouse required)
- Modern JavaScript (ES6+): Classes, const/let, fat arrow, template literals, etc.
- Styling: Flexbox and font ems, Responsive
- Commenting: Uses JSDoc
- Scores 100 on Chrome Lighthouse Audits for Accessibility and SEO
- Google Analytics tracking code installed
- Improve UX for kb-only when clicking on image => maintain focus on "you've click x times"