Next week's free game is Polytron's Fez.
Both titles will be free from August 15th to 22nd on the store.
Big Khan is a stalker who does not play around.
A new playable mutant, new foe, new maps, and new challenges are in-bound.
Four new titles also added to the Vault for Origin Access Basic subscribers.
The demo contains "all content" from the beginning of the game till the Ark.
Take on new enemy types in existing maps with (almost) every tool available.
Various publications can go hands-on with the upcoming tactical strategy game at E3.