An unexpected application of video game theory to the liturgical season of Advent? Read on! Anticipation and Completion I was listening to an audiobook Hit Makers about the science of popularity and what makes books, music, games, cars, designs, and people popular. One of the examples given spoke directly to my geeky heart as it discussed the most popular video game in history, which of course is Tetris.  The most popular video game of all time is Tetris. Alexey Pajitnov was a…