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add play and app store buttons and review vegan blog
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jwinterm
@@ -4,11 +4,9 @@ date: "2026-03-04"
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excerpt: "How we built a Bauhaus-inspired memory puzzle with libGDX, shipped it to five platforms, and added global leaderboards with HMAC-signed score submissions"
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---
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Bauhaus Echo is now available on the [App Store](https://apps.apple.com/us/app/bauhaus-echo/id6759010657), [Google Play](https://play.google.com/store/apps/details?id=com.suchsoftware.bauhausecho), [itch.io](https://suchsoftware.itch.io/bauhaus-echo), and [the web](https://bauhaus.such.software). It is a visual memory game where you memorize tile arrangements, watch them shuffle, and reconstruct the original pattern.
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<BauhausEchoStoreButtons />
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- **Mobile (free, ads removable via IAP)**: [App Store](https://apps.apple.com/us/app/bauhaus-echo/id6759010657) | [Google Play](https://play.google.com/store/apps/details?id=com.suchsoftware.bauhausecho)
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- **Desktop ($2, no ads)**: [itch.io](https://suchsoftware.itch.io/bauhaus-echo)
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- **Web (free)**: [bauhaus.such.software](https://bauhaus.such.software)
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Bauhaus Echo is now available on the [App Store](https://apps.apple.com/us/app/bauhaus-echo/id6759010657), [Google Play](https://play.google.com/store/apps/details?id=com.suchsoftware.bauhausecho), [itch.io](https://suchsoftware.itch.io/bauhaus-echo), and [the web](https://bauhaus.such.software). It is a visual memory game where you memorize tile arrangements, watch them shuffle, and reconstruct the original pattern.
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## The Concept
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@@ -4,6 +4,8 @@ date: "2026-03-26"
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excerpt: "AI-powered decision making app with subscriptions and ad monetization: now on Android and iOS"
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---
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<SuchoiceStoreButtons />
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Suchoice is now available on [Google Play](https://play.google.com/store/apps/details?id=com.suchsoftware.suchoice) and the [App Store](https://apps.apple.com/us/app/suchoice/id6759626658). Point your camera at a menu, list, or anything with options. AI reads them, loads them into a wheel, and you spin.
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## Four Ways to Decide
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@@ -36,7 +38,6 @@ Subscription state is managed through RevenueCat with a single "premium" entitle
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## Get It
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- [Google Play](https://play.google.com/store/apps/details?id=com.suchsoftware.suchoice)
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- [App Store](https://apps.apple.com/us/app/suchoice/id6759626658)
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<SuchoiceStoreButtons />
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See the [Suchoice product page](/products/suchoice) for more.
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@@ -1,73 +1,52 @@
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---
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title: "Vegan IQ: Test Your Plant-Based Knowledge"
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title: "Vegan IQ: 1,066 Data-Backed Trivia Questions"
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date: "2026-04-08"
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excerpt: "1000+ trivia questions across 8 categories, all backed by verified data. Now on Android and iOS."
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excerpt: "A plant-based trivia game built on USDA, Oxford, NIH, and FAOSTAT data. Flutter, Python data pipeline, deterministic question generation. Android and iOS."
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---
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Vegan IQ is a trivia game that tests what you know about plant-based food, nutrition, and sustainability. Over 1,000 questions across 8 categories, all grounded in real data from the USDA, Poore & Nemecek (2018), NIH, and FAOSTAT.
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<VeganIqStoreButtons />
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## Why We Built It
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Vegan IQ is a trivia game about plant-based food, nutrition, and sustainability. 1,066 questions across 8 categories. Every answer traces back to a specific data source -- USDA FoodData Central, Poore & Nemecek (Science, 2018), NIH, or FAOSTAT. No LLM-generated content.
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There is a lot of information out there about veganism, plant-based nutrition, and the environmental impact of food. Some of it is accurate, some of it is not. We wanted to make a game where every question is backed by verified data -- a fun way to learn real facts about what you eat and how it affects the planet.
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## Data Pipeline
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No LLM-generated content. Every question traces back to a specific data source.
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Questions are generated deterministically from structured JSON data files by a Python pipeline. The pipeline pulls nutritional composition from USDA, environmental impact metrics (water, land, GHG per kg) from Poore & Nemecek, health data from NIH, and agricultural production stats from FAOSTAT.
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Raw generation produces ~2,461 candidates. Subcategory caps, `MINIMUM_MEANINGFUL` thresholds (protein >= 5g, fiber >= 1g, iron >= 1.5mg, calcium >= 30mg, vitamin C >= 5mg), and deduplication reduce this to 1,066 curated questions. A `primary_food` field on 426 questions lets the selection engine penalize same-food repetition within a single quiz (-100 weight).
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Template-generated questions account for 43% of the pool; the remaining 57% are hand-curated.
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## Question Selection
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An anti-repetition pacing engine selects questions at runtime. The algorithm tracks recently-seen questions and applies decay weights so quizzes feel fresh even across multiple sessions. A spaced repetition layer re-surfaces questions the player got wrong more frequently.
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Category selection uses dynamic counts with a 2-column grid UI. Plant milk questions are excluded from environmental per-kg generators via `_ENV_PER_KG_EXCLUDE` to avoid misleading comparisons.
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## v1.1.0
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This release adds:
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- **Streaks and stats** -- daily streaks, lifetime stats, per-category performance tracking
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- **Titles and badges** -- progression from "Sprout" to "Sage", plus category-specific badges with artist-drawn assets
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- **Share cards** -- off-screen `RepaintBoundary` renders branded PNG at 2x resolution, shared via `share_plus` with 5-minute delayed cleanup. Fallback to plain text if image generation fails.
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- **Onboarding flow** -- swipe/tap tutorial for new players
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- **Quiz length picker** -- 10, 15, or 20 questions per session
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## 8 Categories
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- **Nutrition**: macronutrients, vitamins, minerals, and dietary facts about plant-based foods
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- **Environment**: water use, land use, greenhouse gas emissions, and ecological impact of food production
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- **Ingredients**: what is and is not vegan, hidden animal products, and food labeling
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- **Food History**: origins and cultural history of plant-based foods
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- **Animal Welfare**: facts about farming practices and animal agriculture
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- **Health**: plant-based diets and health outcomes from peer-reviewed research
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- **Cooking**: techniques, substitutions, and preparation of plant-based foods
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- **Culture**: veganism around the world, traditions, and cultural practices
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Nutrition, Environment, Ingredients, Food History, Animal Welfare, Health, Cooking, Culture.
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## How It Works
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## Stack
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Swipe right for true, left for false. Tap your answer for multiple choice questions. Sound effects and haptic feedback make every answer feel satisfying. Choose your quiz length -- 10, 15, or 20 questions -- and pick any category or mix them all.
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## What's in v1.1.0
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- **Streaks and stats** -- daily streaks, lifetime stats, and category-level performance tracking
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- **Titles and badges** -- earn titles like "Sprout" through "Sage" as you level up, plus category-specific badges
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- **Share cards** -- share interesting facts or your score as branded images directly from the app
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- **Onboarding flow** -- new players get a quick walkthrough of how the game works
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- **Anti-repetition engine** -- smarter question selection so quizzes feel fresh every time
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- **Spaced repetition** -- questions you get wrong come back more often until you learn them
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## Key Features
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- **1,000+ curated questions** across 8 categories
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- **Swipe & tap gameplay** -- intuitive and fast
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- **Dark and light mode** -- play however you prefer
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- **SFX & haptics** -- satisfying audio and tactile feedback
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- **Share facts** -- send interesting questions to friends as images or text
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- **Fully offline** -- all questions bundled in the app
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- **No account required** -- open and play
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## Data Integrity
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All questions are generated deterministically from structured data files. The data pipeline is written in Python and pulls from:
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- **USDA FoodData Central** for nutritional composition
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- **Poore & Nemecek, Science (2018)** for environmental impact metrics
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- **NIH** for health and dietary reference data
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- **FAOSTAT** for global agricultural statistics
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Questions are not written by an LLM. The pipeline generates them from verified numbers and facts, ensuring accuracy.
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## Tech
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- **Client**: Flutter (Dart), single codebase for Android and iOS
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- **Client**: Flutter/Dart, single codebase for Android and iOS
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- **Data**: Python pipeline generating JSON question assets
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- **Ads**: Google AdMob (banner, interstitial)
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- **IAP**: Apple StoreKit and Google Play Billing via in_app_purchase
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- **Storage**: shared_preferences for local score and preference data
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- **IAP**: StoreKit + Google Play Billing via `in_app_purchase`
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- **Storage**: `shared_preferences` for local scores and preferences
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- **Share**: `share_plus` + off-screen `RepaintBoundary` for image generation
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## Get It
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- [Google Play](https://play.google.com/store/apps/details?id=com.veganiq.vegan_iq)
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- [App Store](https://apps.apple.com/us/app/vegan-iq-plant-based-trivia/id6761139580)
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<VeganIqStoreButtons />
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See the [Vegan IQ product page](/products/vegan-iq) for more.
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