Gamma-Attack [Homebrew] — سعر وقيمة ألعاب Atari 2600

Gamma-Attack [Homebrew] (Atari 2600) resale value

A loose copy of Gamma-Attack [Homebrew] averages around $212. A complete-in-box (CIB) copy — game, box, and manual — runs about $300, and a factory-sealed copy commands $2799.

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.