So much missed potential...

>>> world.pickup("npc")
Sorry, but I am not single!
>>> world.pickup("npc")
Just leave me alone, will you?
>>> world.pickup("npc")
You do it one more time, and I feed you to those rats!
>>> world.pickup("npc")
Game over.

>>> world.pickup("rat")
The rat bites you and you start bleeding.
Game over.

>>> world.pickup("gun")  # ...or basically anything else
There is no ... here.

etc.

Oh, and please add apostorphes! (like "dont")