Contra the Alien Wars worth

The catalog shows that *Contra the Alien Wars* for Game Boy has a used value of $448.21, while the Game Boy Advance version, *Contra Advance Alien Wars*, is valued at $150 used. For the Super Nintendo version, the standard *Contra III The Alien Wars* is listed at $150.29 used, but a special edition, *Contra III The Alien Wars [Majesco Candy Cane]*, commands a higher used value of $652.36.