Steel Battalion Xbox worth

The catalog shows a few different versions of Steel Battalion for Xbox. The full game, "Steel Battalion — Xbox," has a used sold value of $599. The game only, "Steel Battalion (Game only) — Xbox," is valued at $108.61 used. There is also a version for Xbox 360, "Steel Battalion: Heavy Armor," listed at $10.15 used, and "Steel Battalion Line of Contact — Xbox" is valued at $54.47 used.