Osu Songs Marked is a free Chrome extension developed by GoofSp that enhances your experience on the popular rhythm game, Osu!. This handy add-on allows you to easily identify the songs you have already downloaded on the Osu! website.

To customize the extension, you can access the settings page, where you have two options. Firstly, you can manually set the already downloaded songs by pasting a comma-separated list of the song ids. Alternatively, you can use the folder picker to choose the /osu!/songs folder on your computer, such as "C:\Users\Username\AppData\Local\osu!\Songs".

Osu Songs Marked is a valuable tool for Osu! players who want to keep track of their downloaded songs and manage their library efficiently. Download this free Chrome extension today and enhance your Osu! experience!