This is the rarest Microvision game, and quite good - make sure your paddle is working well if you want to last long! Known as Super Block Buster in Germany and Super Casse Brique in France, Super Blockbuster is similar to the pack-in Block Buster game, but adds a row of blocks on the bottom as well. This can make gameplay very hectic!
This is factory-sealed, although there is some shelf wear. One corner is a bit crushed and there are a few minor mars on the box that didn't damage the plastic wrapping. I highlighted all of the significant issues I could see in the photos - please look at them carefully and please feel free to ask if you want another photo of a different area.
I collect to play and I found a copy that was opened, so I never opened this one. I would rather it be with a collector who can take good care of it (or a player who is willing to open it) than sitting around in a storage box here.