Quite similar to how I started too! A single piece of paper with a list of videogames I wanted to finish. Then it kept expanding with time - one txt file, multi

Quite similar to how I started too! A single piece of paper with a list of videogames I wanted to finish. Then it kept expanding with time - one txt file, multiple txt files, Evernote, Notion,... Finally settled with Google Keep (checklists) + Obsidian (~2,700 text files, interconnected and easy to navigate).