Here is the full list of all 44 Murderous Pursuits - there are Open Beta achievements.
Win a game in quick play
Win 100 games in quick play
Win a game without being killed in quick play
Kill 25 Quarries in quick play
Kill 250 Quarries in quick play
Kill 1000 Quarries in quick play
Kill a Quarry with a five star weapon and gain all bonuses in quick play
Stun 25 Hunters in quick play
Stun 250 Hunters in quick play
Stun 1000 Hunters in quick play
Counter 100 Quarries or Hunters in quick play
Flash 100 Quarries or Hunters in quick play
Humiliate 100 Quarries in quick play
Kill 100 Quarries or Hunters while disguised in quick play
Reveal 100 Quarries or Hunters in quick play
Win a game with each character in quick play
Humiliate a Quarry while a Hunter is nearby in quick play
Kill a Quarry or stun a Hunter while a nearby guard is distracted in quick play
Reveal and kill a Quarry in quick play
Eat 1897 pies in quick play