tetris

a seemingly satisfying game until you play it for a total of 2 years without realizing

"you wanna play tetris bro"

"are you kidding me? play that and you'll never get out"

Protagonist

Main Character(s) in a story, regardless of theme, or anything else of importance, is normally the "Good Guy", with a set of obstacles in the way of achieving the goal.

Percy Jackson is the Protagonist of the Lightning Thief.