Thank you for playing! I will try to do a better job of explaining speed next time but one minor change I plan to make is to call it pace or step instead. I could have also have made the player click once per enemy action during the tutorial to further demonstrate how far enemies can move per action.
I actually can't wait to implement progression, which has been planned from the conception of the project, but I wanted to finalize the core gameplay first before doing so. I'm still finalizing the details but I expect to finish implementation after the next update.
To be honest, I didn't take too much time looking for music but depending on how big the project becomes, I might have to look for a more appropriate one (maybe even make or commission one). But I'll definitely add sound effects for walking and dying.
I mentioned this in a comment below but I plan to buff the sword. I'll hold off on buffing ice until I see its performance after the sword buff. Storm becomes more useful starting at level 7 when higher health enemies start spawning so I understand that it doesn't feel as powerful in the earlier levels.
Thank you very much for the feedback!