I have no idea how rare this is, except a lot. For the original Ecco, there is a Limited Edition from where Sega made a deal with a London aquarium which housed a real dolphin named Ecco (who would benefit from the proceeds). Not sure if there was any sort of similar deal with this set. However, it is missing the CD and T-Shirt which were originally included.

Best Dreamcast Games
The Sega Dreamcast often gets a bad rap among gamers and critics. Even so, the Best Dreamcast games was home to memorable games that have gone on to legendary status with critics and fans. Some of the criticism is earned. Sega lost a lot of goodwill from gamers after the disastrous Sega 32X and Sega More


