Sony just announced the following games will be free for August PS+ members.
Mafia III – PS4
Dead by Daylight – PS4
Bound by Flame – PS3
Serious Sam 3 BFE – PS3
Draw Slasher – Vita
Space Hulk – Vita
Here They Lie – PSVR from August 7 – October 2
Knowledge is Power – PlayLink title from August 7 – November 6