Here is the full list of all 11 Gorogoa achievements. It takes around 2-3 hours to unlock all of the achievements on Windows.
Complete Chapter Three.
Set the clock tower to the right wrong time.
Complete Chapter Two.
Complete Chapter One.
Complete Chapter Four.
Complete Chapter Five.
Complete the falling rock puzzle on the first try.
Finish the game.
Complete the game in under 500 moves.
Complete the game in under 30 minutes.