Oh no, I hope you made it in the end :D
Yeah, tedium is definitely a bit of a problem, still gotta figure out how to design the game / the levels to avoid that more. And yeah, I'm a firm believer in non-linear level structures and optional levels for puzzle games, so if I should continue this, I'll most likely add some sort of overworld and branching paths. Even so, I guess there's a good change 80% of the current levels will be scrapped and replaced.