What Is Etterna?

Etterna is a rhythm game based on the Stepmania engine that is focused on better accomodating the four-key keyboard metagame. Some new features include automatic difficulty calculation, a new scoring system, and engine optimizations. Etterna is generally compatible with content for stepmania 5.0. However, some Stepmania 5.0 themes may require modification in order to function properly.

This Wiki

This wiki intends to do 3 things: