I'm a bit late on the ball here, but I enjoyed this quite a bit so here's my review:

It is incremental, as in you get persistent upgrades over your runs. Though it is completely interactive (I don't see this as a negative, but may explain the low score here).

The game is incredibly fun and solving it felt extremely rewarding!

Some notes:

• I managed to soft-lock myself a number of times, the issue may have been interacting too quickly, but I am not certain.
• Card explainability can be improved. For example, which cards can be upgraded?
• Balance could be worked on. I found that beating the game on hardcore was far too easy.

I wish there was more content, even some procedural system where the enemies just get stronger would be fun.