Looks to be the cheapest price to date.
Slay zombies and engage in a thrilling bloodfest in Back 4 Blood, a first-person co-op zombie shooter from the creators of the critically acclaimed Left 4 Dead franchise.
https://www.harveynorman.com.au/catalogsearch/result/?q=Back…
Individual links
https://www.harveynorman.com.au/back-4-blood-ps5.html
https://www.harveynorman.com.au/back-4-blood-ps4.html
https://www.harveynorman.com.au/back-4-blood-xbox-series-x.h…
Waiting for amazon to match it