(update) new looks!

howdy everyone! here are some changes to the game!

1. removed difficulty modes until I find a better way to implement it.
2. updated backgrounds and added details to sprites.
3. a better and more polished title screen.

bugfixes:

1. fixed devision and half cards setting the score to negative.

notes: this is the 2nd time I had to fix the half and devision cards lol.