Changelog
What's new, changed, and fixed on PlayMemorize
April 15, 2026
New
- new Unit Converter game at /convert with 11 categories (Length, Weight, Volume, Temperature, Area, Speed, Time, Digital Storage, Pressure, Energy, Fuel Economy). Includes both a converter tool and a quiz-style game mode.
- new Ghost and Polyglot blog articles in 25 languages with full color-box styling and memory technique guides.
- new /about page with author photo, bio, game grid, and design principles.
- new /accessibility page detailing WCAG compliance and accessibility features.
- new /changelog page (this page) for tracking all site updates.
- new FAQ sections on all game pages with FAQPage schema for Google rich snippets.
- new Author bylines on all blog posts with photo, name linking to /about, and localized dates.
- new GA4 event tracking added to Major System and Flashcard components.
Improved
- improve Enhanced schema.org markup: richer Person (author image, jobTitle, sameAs), Organization (logo, founder, contactPoint), and FAQPage schemas.
- improve Footer now includes About link, LinkedIn/X social links, and copyright notice.
- improve Converter game: mobile-first stacked layout, category dropdown, full unit names instead of abbreviations.
- improve No more scientific notation anywhere. Large/small numbers displayed in full decimal with commas.
- improve No emdashes anywhere on the site. Replaced with middots for cleaner display.
- improve "About PlayMemorize" blog post updated with all 8 current games.
Fixed
- fix Distractor generation for extreme values (electronvolts, very small/large numbers) now stays in the correct order of magnitude.
- fix Zero-answer edge case in converter game no longer causes infinite loop.
April 14, 2026
New
- new Speed Math game at /math with configurable operations, number ranges, and difficulty.
- new Twemoji Ghost game (Kim's Game) at /ghost with 2-40 emoji grids, adjustable tempo, and smart distractors.
- new Twemoji Polyglot game at /polyglot supporting 14 languages with emoji-word association.
- new "Why I Built PlayMemorize" article published in 25 languages.
- new Memory blog articles with cognitive science techniques in 25 languages.
- new Pi blog posts for all 24 non-English languages.
- new Unified blog at /blog aggregating articles from all games.
- new Offline mode with service worker, install prompt, and PWA manifest.
- new GA4 event tracking for Memory, Color, Ghost, Polyglot, and Math games.
- new 24-color mode for Color Memory game.
- new Auto-detect browser language and set locale defaults.
Improved
- improve SEO: canonical URLs, schema.org markup, meta descriptions, and sitemap across all pages.
- improve Consistent schema across all localized game pages.
- improve Uniform header design across all games with dark menu background.
- improve In-game settings collapsible on all games to reduce visual clutter.
- improve Ghost: preload all emoji SVGs before showing grid to prevent flicker.
- improve Polyglot: all languages loaded from emoji data, bigger emojis, portrait-friendly grids.
- improve SEO "About this page" sections added to all game pages.
Fixed
- fix Memory game: fixed card flip dependency causing missed clicks.
- fix Ghost: capped cell size and scaled grid to fit mobile screens.
- fix Polyglot: fixed crash on language switch and emoji sizing issues.
- fix Timer leaks and React performance issues across all games.
- fix Broken links, header layout, and excess spacing throughout.
- fix Color game: speed always starts at 100% now.