Sample Puzzle Code

• https://flutter.github.io/samples/slide_puzzle.html

Getting Started with Flutter

• Flutter Documentation

• Flutter Apprentice 

Getting Started with Flutter on the Web

• https://docs.flutter.dev/get-started/web

• https://www.youtube.com/watch?v=HAstl_NkXl0 

• https://docs.flutter.dev/get-started/codelab-web 

Creating Responsive Web Apps

• https://flutter.dev/docs/development/ui/layout/responsive

• https://docs.flutter.dev/development/ui/layout/building-adaptive-apps

Deploying your Web App

• https://flutter.dev/docs/deployment/web

Getting Started with Animations

• https://docs.flutter.dev/development/ui/animations 
• https://flutter.github.io/samples/animations.html 
• https://docs.flutter.dev/development/ui/animations/tutorial

Flutter on the Web Samples

• https://flutter.github.io/samples/#?platform=web 

Packages 

• https://pub.dev/