Well, what to say about Mars of Destruction. Having not seen a lot of bad anime, I decided to watch this to see what that looks like, and it did not disappoint. The animation is incredibly lazy, hardly showing any movement at all. The plot is nearly incomprehensible. The music, either non-existent or orchestra music that just doesn't fit. They probably found what was free and went with that. They barely even try to introduce characters to you, they're just there.
The only positive thing I can say is that it is unintentionally funny just from sheer stupidity.
Overall, 1/10. This show is an example of what happens when you try to condense a plot that could go at least 12 episodes into a 19 min OVA, nothing good can come from that.