2K-Games-Logo2K Games has just kicked off a big 99¢ holiday sales promotion on many of their iOS titles.

As part of the promotion they have also dropped the price of XCOM®: Enemy Unknown by 50% to $9.99 and Sid Meier’s Ace Patrol: Pacific Skies goes on sale for the first time ever for $2.99 (reg $4.99).

The full list of sales titles is provided below.