The EA titles that went on sale earlier today appear to not be the extent of the deals to be had on Google Play today. Without much warning, the Longest Day sale is underway bringing you a plethora of solid apps, games, music, and books for vastly reduced prices. Longest Days in this case likely refers to the summer solstice; the longest day of the year. For those of you without a calendar handy, that's tomorrow.
The handy links in the Play Store are just starting to show up, but this will probably be announced officially tomorrow. In the meantime, you can get a jump on things.