add RPG elements

[groadybones]

Is your feature request related to a problem? Please describe.
Right now the game exists simply as a teaching tool to conveys the concepts involved with programming however it doesn't do much to maintain the attention of a user.

Describe the solution you'd like
If the game were set up with elements of an rpg style game, we could still effectively teach programming concepts but with the added benefit of the user being interested in what they're learning and drawn back.

Describe alternatives you've considered
The implementation of user accounts would allow for more permanent aspects of the game such as achievements, permanent PC upgrades, a story line, leader boards, and scaling difficulty

Additional context
Related issues: #467 #393 #392