I had a lot of trouble with placing the character in each level because the tilemap for the platforming bits was to be above the character (Unfortunately I hadn't found out about selecting individual layers and the preference to be unable to select elements of separate layers until the latter half of level design), so I temporarily set it below the character, and by the end of it, whenever I'd place the character back in the layer below the platform's tilemap, the character would be invisible at all times :/
I wasn't even sure if I'd be able to solve the problem without adding another layer--Which I couldn't because I'd had too many layers at that point (If I'd come into it with a plan laid out I probably would've been able to do it, lol)
So I'd left the character in the layer above it, leaving it looking unpolished. Blah
I definitely should've made more of a tutorial-esque level set though. Thanks for the review :D