Glad to hear you like it! Diamond pause "glitch" is actually intentional because I thought it'd be funnier that way. Characters being cheap is because I don't want the player to have to take too long to unlock everyone so you can more immediately get into trying out all of them.
However, I probably should've had more characters that are slightly more expensive. I don't really want to go and change it now, but maybe if I ever add more characters or make a sequel with more characters or something...