Amazon has three lightning deals planned for later today. I've got the hints along with my best guesses below.
11AM PST / 2PM EST: "Uphold God's divine plan and prevent the destruction of humanity on your PS3 or X360." (El Shaddai: Ascension of the Metatron
12PM PST / 3PM EST: "X360 third-person survival-horror-action game" (Deadly Premonition
1PM PST / 4PM EST: "A multiplayer fighting game that utilizes the advanced capabilities of the Nintendo 3DS" (Super Street Fighter IV: 3D Edition