Here is the full list of all 17 Another World - there are Thought Taboo achievements.
Entering another world for the first time.
A one-time donation of 100 gold coins to the priest.
Survive the game of roulette.
Drink the free potion given by the apothecary.
Caught by guards and taken to jail.
Successfully escaped from prison.
Complete the "Lost Man" story mission.
Complete the "Rescue" story mission.
Complete the "Waiting" story mission.
Obtain the mysterious gift - the core of life.
Obtain the mysterious gift - the core of power.
Facing death in a different world.
Grow old in a different world.
Choose to retire in a different world.
Save the world like a hero!
Let the truth be buried forever!
Unravel the truth of the different world.