thanks for your positive comment, it brightens up my night.
yes, some attacks are unbeatable, as they're procedurally generated on levels 2 and beyond. i have no way of combating this as a programmer.
tell you what. i'll link you the post-jam build, with fixes to 5 found bugs and other improvements: http://tic80.com/play?cart=3854
would love to hear what you think of it!