How to find the secret level

In our [url=https://www.youtube.com/watch?v=r2q0Z0V7wfU]Q&A video[/url] with Porcelain Fortress, Björn revealed that there are many Easter eggs in the game. However, one of the most secretive elements you can discover within the game is a warp level. The question is, where is it? We are not ready to disclose the location just yet, but we do have a hint for you. Jump and shoot three times. Good luck!