KRIDO Kids Games

🎮 28+ Wholesome Early Learning Offline Mini-Games

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🎮 KRIDO — Kids Early Learning Games

Wholesome, Offline-First Educational Mini-Game Adventure for Ages 3–8

A colorful, cheerful, and ad-safe Flutter app packed with 28+ interactive mini-games. Designed to nurture numbers, letters, logic, science, and creativity in children through short, joyful play sessions.

🚀 Live Demo Available: Download KRIDO on Google Play Store

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📱 Visual Showcase & Screenshots

Adventure Island	Game Selection	Math & Numbers	Letter Tracing
Animal Sounds	Xylophone & Music	Space Explorer	Color Mixing Lab

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✨ Key Features & Curriculum

KRIDO is designed around early childhood educational frameworks, encouraging cognitive, motor, linguistic, and sensory development:

🔢 Math & Logic Skills

• Number Circles & Counting Orchard: Interactive counting with physical visual feedback.
• Kid Math & Pattern Sequences: Easy addition, subtraction, shape matching, and pattern recognition.
• Size Stacker & Sorting Factory: Classify objects by size, height, color, and category.

🔤 Early Literacy & Language

• Guided Letter Tracing: Tactile stroke-by-stroke uppercase and lowercase letter tracing.
• Spelling Puzzles & Phonics: Drag-and-drop letter assembly with native voice phonics.
• Rhyming Words & Vocabulary: Engaging audio-visual associations to build core vocabulary.

🎨 Creativity, Music & Sensory

• Musical Xylophone: Interactive 8-key colorful musical instrument with realistic pitch tuning.
• Color Mixing Laboratory: Experiment by blending primary colors to discover secondary colors.
• Dino Bone Digger & Space Explorer: Tap-and-reveal archaeology and planetary exploration quests.

🐾 Animals & Nature

• Animal Sounds & Habitat Match: Match wildlife to their native habitats (ocean, jungle, desert, arctic).
• Animal Quiz & Jigsaw Puzzles: Fine-motor puzzle solving paired with fun facts.

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🛡️ Child Safety & Privacy (COPPA Compliant)

Parents can entrust their children with KRIDO knowing privacy is the core priority:

• 🔒 100% Offline-First: No continuous internet connection needed; all 28+ games are self-contained.
• 🚷 Zero Data Harvesting: No account sign-ups, no user tracking, no third-party analytics.
• 👨‍👩‍👧 Parental Gate & Session Timer: Built-in timer controls (5, 10, 15, 20 mins or unlimited) to prevent excessive screen time.
• 👤 Local Multi-Profile: Support for up to 4 local child profiles with custom animal avatars and local progress tracking.
• 📱 Portrait-Locked Ergonomics: Perfectly balanced for small hands and one-handed tablet/phone use.

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🛠️ Tech Stack & Architecture

KRIDO Architecture (Modular Game Engine)
│
├── core/                # Audio engines, local SQLite database, settings
├── domain/              # Curriculum contracts, progress tracking models
├── features/            # Adventure map, profile switcher, parental area
└── games/
    ├── registry.dart    # Central metadata & curriculum mapping
    ├── game_factory.dart# Dynamic on-demand module loader
    └── modules/         # Standalone, isolated game implementations (g001 - g090)

Component	Technology	Description
Framework	Flutter (3.13+)	High-performance cross-platform UI toolkit
Language	Dart (3.x)	Null-safe, fast, and expressive
State Management	Flutter Riverpod (^3.4.3)	Reactive, compile-safe dependency injection
Database	sqflite	Local encrypted database for stars & profiles
Audio Engine	audioplayers	Low-latency SFX and cheerful background music
Narration	flutter_tts	Clear voice instructions and positive reinforcement
Typography	Google Fonts	Child-friendly fonts with high legibility

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📁 Repository Structure

lib/
├── main.dart                 # App initialization & startup flow
├── app/                      # Themes, colors, custom typography, route maps
├── core/                     # Shared services (AudioService, DatabaseHelper, Prefs)
├── domain/                   # Achievement contracts, curriculum standards
├── features/                 # Main adventure hub, avatar picker, parental gate
└── games/
    ├── game_factory.dart     # Dynamic game instantiation
    ├── registry.dart         # Game metadata & age-bracket filtering
    └── modules/              # Modular game screens & controllers
        ├── g001_number_pebble_circle/
        ├── g002_count_orchard/
        ├── g073_spelling_puzzle/
        ├── g079_letter_tracing/
        ├── g080_musical_xylophone/
        ├── g083_color_mixing_lab/
        ├── g086_space_explorer/
        └── ... (28+ self-contained modules)

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🚀 Getting Started & Local Setup

Prerequisites

• Flutter SDK (^3.13.0 or higher)
• Android Studio / VS Code
• Android SDK (API 26+)

1. Clone the Repository

git clone https://github.com/OPSHARP/KRIDO.git
cd KRIDO

2. Install Packages

flutter pub get

3. Run on Device / Emulator

flutter run

4. Build Production Release (Optional)

flutter build apk --release \
  --dart-define=ADMOB_APP_ID=ca-app-pub-YOUR_ID~YOUR_APP \
  --dart-define=ADMOB_BANNER_ID=ca-app-pub-YOUR_ID/YOUR_BANNER

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🤝 Contributing

We welcome contributions from teachers, parents, and developers passionate about early childhood education!

1. Fork the Project
2. Create your Feature Branch (git checkout -b feature/NewEducationalGame)
3. Commit your Changes (git commit -m 'Add new shape puzzle module')
4. Push to the Branch (git push origin feature/NewEducationalGame)
5. Open a Pull Request

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📜 License

Distributed under the MIT License. See LICENSE for more details.

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Made with ❤️ by OPSHARP for kids and early learners worldwide.
Download on Google Play Store