From my experience, it's a deeply frustrating minigame because: it's not well-explained at all, there's a mandatory play sequence to advance the story, and the

From my experience, it's a deeply frustrating minigame because: it's not well-explained at all, there's a mandatory play sequence to advance the story, and the rewards for playing Tetra Master are minimal. Compare that to FF8's Triple Triad, which is strictly optional but immensely useful (i.e., game-breaking) if you know what you're doing.