It is not difficult, it is cheap and the formula is easy: just don't put any checkpoints so the player can extend their «enjoyment» by replaying the same (metacritic.com)
I have to say, I don't get the same enjoyment out of eating chocolate bars anymore. (healthynibblesandbits.com)
Earlier this year at the South by Southwest conference, Budweiser announced its goal to be the first beer on Mars — offering a colonized red planet the same enjoyments provided here on earth, including fresh beer! (fb101.com)