Posted January 18, 2014
Ratbreath: Getting rock A is a matter of luck, but it's a common enough encounter. I got it on my first play-through after reinstalling the game. It's not that difficult, either. You don't even have to defeat the ship, you just survive until it jumps.
Unlocking B just takes firing off both of your missiles at once until a ship with a defense drone dies for the 'defense drones don't do anything' achievement, then for the other one you just throw a bunch of fire bombs onto the enemy ship and transport over and kill him.
I'm doing it wrong then - after 127 games played I've only stealth cruiser, Kestrel and Torus...Unlocking B just takes firing off both of your missiles at once until a ship with a defense drone dies for the 'defense drones don't do anything' achievement, then for the other one you just throw a bunch of fire bombs onto the enemy ship and transport over and kill him.