I read the story. It's actually has a rather wholesome ending. Kinda hoping we'll see more of Mecha Sonic. Maybe he will fill IDWs role of Shard.
Same, I kinda like him so hoping more of him.
Back then it was so cool seeing him going super saiyan when playing as Knuckles and then the end boss theme started playing.
Definitely one of my favorite boss fight.
https://www.youtube.com/watch?v=siQdzobJBVgI didn't have Mega CD back then so I'm more familiar with Mecha Sonic than Metal Sonic.
My first knowing of Metal Sonic was from Sonic OVA, not from Sonic CD game.