Retention is an important metric to look at when predicting the success of a game. The general definition of retention is how many players have stayed in a game on a given day relative to when they first started playing, but as you'll see below, there are several ways to calculate this. When evaluating games, retention is one of the key pieces of information that we're looking at. Strong retention coupled with strong monetization is the real winning combo, but strong retention won't mean the sa