Here is the full list of all 12 Penny Arcade Adventures: Episode 2 achievements worth 200 gamerscore.
Collect one million dollars in cash.
Collect the Wealthy key.
Burn down the Riverbrook Apartments.
Collect a ticket for the World's Fair.
Defeat the final boss of the game.
Spend robot parts to upgrade all weapons.
Complete Dr. Stripe's and Dr. Whimple's missions.
At the beginning of the episode, refuse to join Gabe and Tycho 5 times.
Kill enough enemies to earn the XP needed for all party members to reach Level 30.
Block enemy attacks and get one party member's hit counter up to 40.
Only use items to win a fight. No attacks or counter attacks allowed.