Tetris Plus — ゲームボーイの価格と価値

Tetris Plus (Game Boy) resale value

A loose copy of Tetris Plus averages around $14. A complete-in-box (CIB) copy — game, box, and manual — runs about $31, and a factory-sealed copy commands $98.

What drives the price

Condition is everything: a clean, unscratched label, an intact box without crushing, and the original manual can swing the value 30–50%. Test that the game works before you buy or sell.