Several games from publisher 2K Games are on sale from today until Friday, April 3 for the iPhone and iPad, including BioShock and XCOM: Enemy Within.

The games are being discounted by as much as 80 percent from now during this sales event.

The list includes some terrific games like the critically acclaimed first person shooter BioShock, the turn-based strategy game XCOM: Enemy Within and the classic mobile strategy game Sid Meier's Civilization Revolution 2.

Here's the list and their price cuts: