The free Games With Gold have been revealed for May 2020.
Xbox One
V-Rally 4 (May 1-31)
Warhammer 40,000: Inquisitor – Martyr (May 16-June 15)
Xbox 360
Sensible World of Soccer (May 1-15)
Overlord II (May 16-31)
All 4 games are valued at $119.96 on retail.
source https://www.simpleprunes.com/2020/04/xbox-games-with-gold-for-may-2020.html