First off, I'd just like to say that I've been loving this mod and that it makes Mari0 a lot more enjoyable. Looking forward to the addition of custom enemies as well, I've already been making plans for them for a mappack I've been making.
That said, I've noticed a few things you might want to take a look at:
-The in-game level timer resets when moving to a different sublevel. I feel like that's not intended...
-In Super Mario Bros 3, hammers thrown by the hammer suit could defeat Thwomps and Bullet Bills. Any chance of seeing that behavior here as well?
-Seesaws (not the platforms they carry, just the seesaws themselves), aren't affected by custom sprites in the mappack like other entities.
Also, a few requests:
-Like somebody else appeared to be suggesting, a physics option where taking damage while in a stronger form (like Fire Mario) would only reduce you to large Mario, like in the newer games, instead of reducing you to small Mario instantly like we have now.
-Either as another physics option, or an addition to the previous, where collecting power ups themselves would specifically upgrade you to it's resulting form without having to always upgrade to big Mario first. For instance, if you were large Mario, hit a block revealing a Fire Flower, took damage, and then got the flower, you'd only upgrade into big Mario again, where the newer games (and the hypothetical physics option I'm asking for) would actually transform you to Fire Mario immediately.
-Since we can determine which of a custom character's colors can be customized (and change colors for different forms), in addition to being able to specify their defaults, could we also have the option to specify what colors to change those to for different forms, like Fire and Ice forms?