Ok, Proper review:
This s a pretty cool idea. The different carriages having different attack modes and you being confined to a track with only one way to go makes for a different rogue-like feel
The graphics are too small to see on my laptop screen, and fullscreen doesn't seem to scale them, just gives me more tiles. That could be a quick fix maybe.
Most other gameplay elements would be greatly enhanced by having larger sprites I feel.
A bunch of other reviewers have made comments about controls, and maybe there is some finessing to be done there. perhaps put the buttons on screen and make it a totally mouse-driven thing?
Overall tho, a very strong entry that feels like it has all the elements in place and just needs polish.