Singleplayer status:
Chapter One: 90% Done
Chapter Two: 70% Done
Chapter Three: 60% Done
Chapter Four: 90% Done
Chapter Five: 95% Done
Chapter Six: 98% Done
Chapter Seven (Maybe): 60% Done
Bonus CO-OP Survival map: TBA
CO-OP experience has now been expanded, more to be announced shortly!
In the mean time keep an eye out for trailer 2 ;)