I'm a big fan of the Big Bucket game "The Incident" for iOS devices.
I found a few LOST (The hit ABC show) references right off the bat and emailed co-creator Neven Mrgan to see if I could get a hint as to how many existed. He said something to the effect of "keep looking - especially for any funny text." Here I document my obsessive search.
My personal Tumble is here: http://thomasqbrady.tumblr.com