Here is the full list of all 42 Knights of Pen and Paper +1 achievements. It takes around 20-25 hours to unlock all of the achievements on Windows.
We know it may be frustrating to die so we've just rewarded you with this achievement. Do not give up, the game is about to begin!
Use a potion while full health.
Continue the game after a game over.
Complete a campaign using all 5 Game Developers as characters.
Play with all classes in game.
Play with all characters in game.
Reach Level 30 in any character.
Choose a weird combination of character and class.
Finish the storyline as fast as you can (less than 365 days but you may extend that to 465).
Visit every single place in game.
Clear 10 dungeons.
Clear 50 dungeons.
Finished the campaign.
Clear a dungeon.
Visit your Kitchen inside the game.
Kill a dragon.
Reach Level 30 in every character of your group.
Reach Level 30 in a trio.
Earn 9.001 golds.
Unlock the Necromancer class.
Unlock the Shaman class.
Unlock the Knight class.
Reach Level 15 in a specific Spell.
Reach Level 15 in any character.
Unlock the Hunter class.
Buy the highest armor upgrade available.
Buy the highest weapon upgrade available.
Buy all goodies in game.
Spend 9.001 golds.
Unlock all masters.
Unlock a new master.
Unlock the Barbarian class.
Unlock the Game Developers that made the game.
Unlock the Bard class.
Roll 1 in any random roll.
Make the blacksmith dance.
Roll 20 in any random roll.
Gather 10 grindstones from veins.
Reach Level 5 in any character.
Kill an elite minion.
Win a battle with 7 monsters.
Gather a grindstone by mining veins.