I was too young to really buy software but the most expensive game I bought as a kid was 40 guilders. If use and inflation correction calculator and convert to euros that game in 1995 would be 36 euros in todays money, about 40 dollars. This was a gameboy game.

A pc game back then was between 50 and 60 dollars (converted with inflation).

But this was all in a physical store, where you would get an actual box, book, cartridge or disc, etc.