I love how you used your theme to make a home for the bacteria that they need to leave. Just a couple of changes like not using the escape button to get out of the lock in the first room if it is on webgl, and fixing the music to constantly play instead of restarting every time you move. Look into this for the music: https://docs.unity3d.com/ScriptReference/Object.DontDestroyOnLoad.html?_ga=2.79084052.1250397364.1592327427-1746761473.1588391442