Eh, to me I usually just convert it to $ per hour of enjoyment. Will I get 10 hours of enjoyment? 100? 1000?
If it’s a great game and I think I’ll get 1000 hours out of it, even if it’s $70 that’s like $0.07 per hour.
Compare that to paying $30 to go see a 1.5 hour movie at the theater and you’re doing pretty darn good I think. Even if you only get 10 hours out of it thats $7 an hour for entertainment vs the $20 an hour for a movie.