I love the lives system, and the way that every player plays the same finite set of levels, rather than framing it as an infinite procedural generator – makes it much more compelling to me. I died on level 18 but I might try again later…
the spike at the start of level 15 is nasty! can you push it to the right a few pixels please? ;)
that “feature list” is really funny to me, because they seem small but they are genuine features; I wish I’d been able to fit them into my entry!
finally, here’s a puzzle(?) for you:

