Here is the full list of all 13 Adventure Lamp achievements.
Reach chapter 2.
Lose your hat.
Catch your hat 50 times.
Be an awesome perch. Gentle now.
Reach chapter 3.
Reach chapter 4.
Reach chapter 5.
Reach the credits.
Complete the main game in 30 minutes.
Listen to the whole credits soundtrack.
Finish the epilogue.
Finish the game.
Finish the game with only the mouse.