The titles are seemingly random, especially since the gift card isn't offered across all platforms for some of the games. Had to find these offers manually, so if you know of more, please post them and I'll add them to the list.
Farming Simulator 19: Premium Edition $49.99
Five Nights at Freddy's: Help Wanted $29.99
Monster Truck Championship $39.99
Override 2: Ultraman Deluxe Edition $39.99
Warhammer: Chaosbane - Slayer Edition $59.99
Who Wants to be a Millionaire $29.99