Trecho da matéria do Guardian:
Of the game's contemporaries, only Nintendo's Italian plumber Mario has shown similar longevity – and even he has changed over the years.
Pajitnov, who says he is still a coder at heart, believes that Tetris is a "good program" with simplicity and portability as crucial assets. But he thinks the secret sauce for its 25-year success is something more pedestrian: perseverance.
"Frankly, I think that most of the classic games which were written in the 80s or early 90s are dead just because their authors or owners didn't care about them," he says. "They're still interesting to people, especially now with the new boom of casual games."