Jamming on Your Own Terms: How Custom Songs Work in Project SEKAI

If you’ve spent any time scrolling through TikTok, YouTube Shorts, or community forums, you’ve probably seen players shredding through incredible custom charts on Project SEKAI: Colorful Stage! (or Hatsune Miku: Colorful Stage). From meme tracks and internet hits to custom difficulty spikes of your favorite Vocaloid bops, playing custom songs looks like a whole new level of rhythm game fun.

Wondering how people actually pull this off? Let’s break down everything you need to know about custom songs, charts, and how the community plays them.

Can You Mod Official Project SEKAI for Custom Songs?

The short answer is no, not natively within the official app.

The official, global, and Japanese versions of Project SEKAI do not feature a built-in custom song importer, level editor, or workshop mode. Game developers keep the official client closed to prevent cheating, piracy, and file manipulation.