Here is the full list of all 34 Galaxy of Pen & Paper +1 achievements.
Use Piercing Attack after upgrading it with an Ancient Artifact.
Finish the game having the Achiever roleplayer in your party.
Talk to 50 npcs.
Complete 50 side quests.
Reach 100% reputation at the highest Rank.
Unlock all reputation perks.
Find all 4 Ancient Artifacts.
Beat the game.
Gather 100 minerals.
Finish off a space pirate with your special weapon at full charge.
Reach level 25.
Create a character with a 9 in any attribute
Unlock all optional classes.
Unlock the Heavy class.
Land on 25 different planets.
Unlock the Savage class.
Complete all quest types.
Unlock the Negotiator class.
Unlock the Medtech class.
Play with 4 roleplayers at once.
Grab some food and place it on your table.
Defeat a boss with a single character alive.
Engage a pirate ship and win the battle.
Choose all different choices for a single event.
Gather 99 of any consumable items in your inventory.
Swap a skill after a game over.
Unlock all metashop items.
Grab all weapon and armor upgrades for a character.
Used all minerals available in the universe as a currency.
Deal a critical damage of 500 or more using your Opportunistic Strike.
Reach 70% critical chance during a combat.
Use Charged Attack after upgrading it with an Ancient Artifact.
Use Knockdown after upgrading it with an Ancient Artifact.
Use Long Shot after upgrading it with an Ancient Artifact.