Pretty good deal on something that's considered one of the greatest games of all time.
You can get a further 9% off this price if you have access to Suncorp Rewards, you just need to purchase Microsoft/Xbox Gift Cards. The only thing is that the gift cards can only be bought in $10, $25, $50 or $100 blocks. You just redeem it as credit on your account that can be used on purchases at any time.
There is also 5.5% cashback through ShopBack/Cashrewards.
Link to the full list of specials below: