As the weather gets warmer, the escape room project at Purdue gets closer and closer to putting the pieces of the puzzle together to provide the campus with a fun way to pass the time.

Interior designer Sabrina Soto got engaged to MLB physical therapist Nathan Whitney in January during an escape room challenge ... and their potential wedding plans. Sabrina Soto/Instagram ...

But now, she's exclusively sharing details with PEOPLE about her future husband, his "crazy" proposal and their potential wedding plans ... suggesting an escape room. Having never done one ...