Is the menu the same all week

No, it changes and I know in the weekend it's a Buffet unlimited mimosas. They also have vegan food

I've only been there once but from what I've seen on other people's post it looks like it.

Hello Roberto, I have been there twice in a month, one one a Saturday 8pm and the other on a Sunday at 5pm. Both time the menu was the same but food was prepared and presented differently. I guess depends on who the chef is. You do need reservations for the restaurant side. Hope this helped you.

Not sure about the menu but I do know that you need a reservation for the restaurant portion of Beetlehouse. The bar is open to everyone