Checking around the Play Store and saw this was on sale.
Sale says ends in 19 hours as of 3PM (Sydney time) so should be until at least 10AM Friday
XCOM®: Enemy Within is a standalone expansion to the 2012 strategy game of the year XCOM®: Enemy Unknown and it's now available on GooglePlay devices! Enemy Within features the core gameplay of Enemy Unknown plus more exciting content. Check out the new soldiers, abilities, enemies, maps, missions, and multiplayer mode for the fresh new strategy gaming experience!
4.2 / 5 with 15k ratings
Download Size is 3.37GB