The Game Of Exploding Snap

"After I came out of hospital — everyone ignored me, shut me out — other than, that is, the boy who had everything — who came across the Gryffindor common room and challenged me to a game of Exploding Snap." Inspired by this quote from "Harry Potter and The Cursed Child", let's peek into a missing moment from that evening in "Harry Potter and The Chamber Of Secrets".