You got what's takes to swing around a box all day?
I definitely think you've got a good thing going here! Not sure if you intend on expanding more and more on it, I hope you do because a level system along with character upgrades and such would give this game quite a bit of replay ability.
The grapple is sometimes wonky (especially for getting into corners). Also if you made the arena a decent amount bigger (and possibly making the sprites smaller), along with adding an arrow, or something creative, to indicate where the enemies will be pathing before they get on the screen. The randomness from not knowing where enemies (Continued)