Just wanted to update. It is still stuck. I can activate abox, then press play, it then resets the last box. Meaning after i active and then break a box it will repeat the animation of unlocking the final box with the text repeating. Hopefully that is some useful info/makes sense.
Edit: I also notcied another bug. If you scroll the wheel on your mouse upward consistently, it will bring you back to either the last activity or last save. It brought me back to the mini game after I completed all the boxes.
Edit 2: it only does the scroll wheel bug after I "complete" the final box.