Here’s a categorized list of all the few of the the blogs based on Beginner, Intermediate, and Advanced difficulty levels:

Beginner:

1. Design (LLD) Tic-Tac-Toe - Machine Coding - Video

2. Design (LLD) Snake and Ladder Game - Machine Coding - Video

3. Design (LLD) Tetris Game - Machine Coding - Video

4. Design (LLD) Minesweeper - Machine Coding - Video

5. Design (LLD) Chess Game - Machine Coding

6. Design (LLD) Alarm/Alert Service for AWS - Machine Coding

7. Design (LLD) Logging Library like log4j - Machine Coding

8. Design (LLD) JSON Parser - Machine Coding - Video

9. Design (LLD) File System - Machine Coding

10. Design (LLD) 2048 Game - Machine Coding

    More will be covered in our course - https://interview.lldcoding.com

Intermediate:

1. Design (LLD) Internet Download Manager like IDM - Machine Coding Interview

2. Design (LLD) Coupon System for Zepto - Machine Coding Interview

3. Design (LLD) Android Unlock Pattern - Machine Coding Interview

4. Designing a Scalable Database Schema for Reddit-like Comments - Part 1

5. Design (LLD) Sublime Text IDE - Machine Coding

6. Design (LLD) Ngrok Tool - Machine Coding

7. Design (LLD) Rate Limiter - Machine Coding

8. Design (LLD) Thread Pool - Machine Coding

9. Design OYO/Airbnb - Part 1: Database Modelling

10. Design (LLD) Google Calendar Database Model

11. Design (LLD) Google Authenticator - Machine Coding

12. Design (LLD) Amazon Prime Video - Machine Coding

13. Design Online Book Management System - Machine Coding [Asked in Microsoft] [Complete Solution Covered in our course]

14. Design (LLD) Lift - Machine Coding

More will be covered in our course - https://interview.lldcoding.com

Advanced:

1. Design (LLD) AWS S3 Service - Machine Coding

2. Design (LLD) Google Drive - Machine Coding

3. Design Version Control (GitHub) - Database Modelling

4. Design (LLD) Mentorship Platform like Preplaced - Machine Coding

5. Design (LLD) Tinder Dating App - Machine Coding

6. Design (LLD) WhatsApp Messenger - Machine Coding

7. Design (LLD) Gmail - Machine Coding

8. Design (LLD) Game Engine like Unreal - Machine Coding

9. Design (LLD) Real-Time Chat System with Millions of Users

10. Design (LLD) Video Conferencing App like Zoom

11. Design (LLD) Cryptocurrency Exchange Platform

12. Design (LLD) Collaborative Document Editing (Google Docs)

13. Design (LLD) Payment Recommendation System- Machine Coding [Asked in CRED] [Paid - Covered in our course]

14. Design (LLD) Alexa - Machine Coding

More will be covered in our course - https://interview.lldcoding.com

Concurrency

1. Problem I: Thread-Safe Two-Sum Checker - Blog Link

2. Print Sequentially - Asked in Microsoft SDE-2

   More……

   All will be covered in our course - https://interview.lldcoding.com/

Company Tagged Question will be covered in our course - More will be covered in our course - https://interview.lldcoding.com