https://docs.unity3d.com/ScriptReference/SceneManagement.SceneManager.LoadScene.html https://docs.unity3d.com/ScriptReference/SceneManagement.Sce... See “mode”

https://docs.unity3d.com/ScriptReference/SceneManagement.SceneManager.LoadScene.html https://docs.unity3d.com/ScriptReference/SceneManagement.Sce... See “mode” parameter—additive. This doesn’t answer how you unload.