entire deathspank series but this is on sale

Hasn't worked for me on Windows 10 and higher. I've tried finding logs, and wrappers, and trace programs. I've made no progress. PCGamingWiki doesn't have anything so, maybe here?

I missed this game when it was in Humble Bundle. I was hoping to buy it here for 75% off or something but no such luck.

no option to purchase, please set regional pricing for Australia.

Never been on sale since. Is there any reason?