Space Pirates and Zombies had just been updated with the Free Bounty Hunters Expansion. This expansion includes:
10 highly tunable Bounty Hunter ships to battle, research, and pilot.
New global Bounty/Respect system that tracks your actions and triggers Bounty Hunter retaliation/assistance appropriately.
New Extortion mechanic when leaving Bounty Hunter space.
150 Arena challenges available at the new Bounty Hunter stronghold starbases. Win Respect and Rez!