The game itself is similar to both Shovel of Hope and Plague of Shadows. It is a 2D platformer that has you fighting boss battles at the end of every level. What is different from Shovel and Plague is Yacht Club Games has gotten rid of the world map. In the previous games you used the world map to travel from level to level (like Super Mario World), but in Specter, you just jump straight to any level via a portal (think Mega Man...

Cool review. I have it installed, but haven't tried it out yet. I haven't played Shovel Knight either.
You should give them a go. They are awesome.
I never beat Shovel Knight. I'm adding it back to my games to play based on your reviews. And because I had so much fun playing Mega Man 2.
I would say Plague Knight is my favorite, followed by Shovel and then Specter. Plague Knight is best played after Shovel though as there are some cool subtle story points of things that happened in Shovel Knight.
Cool, i'll make sure I check them out in order then. The new King Knight game looks interesting. I wonder if that card game will be fun? I guess if it's not there is plenty to like in the base game still
I think I get that with Treasure Trove, right? If so I will have to review it when it comes out.
Yep. Treasure Trove means you get all the content updates included.