So I ended up buying 3 more for a total of 6.
Batman: The Enemy Within (PS4) - $3.75
Lego Super Villains (NSW) - $15
Mario + Rabbids (NSW) - $20
The below were buy 2 get one free (pre-owned)
Kingdon Heart 3 (PS4) - $18
Assassins Creed: Odyssey (PS4) - $13
Yakuza 6 (PS4) - $13 but ended up free do to the promo.