This is the 65th most frequent Russian word.
кроме
"Besides" or "except."
Here, 'кроме' means 'except for' and is used to exclude something from a group.
Мы все пришли, кроме Петра.
We all came, except for Peter.
Here, 'кроме' means 'besides' and is used to include someone as a notable exception.
Кто знает об этом проекте, кроме тебя?
Who knows about this project, besides you?
In this sentence, 'кроме' functions to specify an exception to a general statement.