In this you have five main characters! You, Sapphire, D.J, Jake, and Melissa! Your the natural leader that does whatever it takes to keep your group alive. You're a halfling. Sapphire, due to being a Halfling that is part eagle and cat, is your scouter! She watches for any monsters or Halfling. She's also your sister. D.J is your healer who can summon needed medical things. He's a wizard. Jake is your fighter who is naturaly fast and strong. He's human. Last but not least, Melissa! She is the best climber you could ask for. She's human. Now, for the basics. There's monsters, halflings, and humans. Halflings got partly affected by the nukes while monsters were fully affected. Humans didn't get affected at all.