Also, there's been inflation, so $60 in 2017 is $76 today. So an $80 game is about 5% more.
Titanfall 2 goes on sale for €5 very frequently, and is the best single player shooter out there. The Master Chief collection is €40 when it's not on sale and that's 6 very well made games.
A €80 game will have to provide more value than that for me to consider it. To be honest I don't think it's even possible. And that's not even considering how much of a crapshoot modern games are quality-wise.