Created an empty console project.
Added creatures, which get drawn to the screen.
You can now create derived creatures with custom behavior.
You cannot position a creature directly anymore, but instead have to use to Move-method which prevents cheating.
Shielded the state of a creature from tampering outside of commands created by the creature itself.
Added health packs and a health pack spawner.
Creatures now consume health packs.
Encapsulated the state of the game in the Arena-class to make it easier to pass the state around.
Added a size to the arena.