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 the game in under 500 moves.
Set the clock tower to the right wrong time.
Complete the game in under 30 minutes.
Complete the falling rock puzzle on the first try.
Complete Chapter Five.
Finish the game.
Complete Chapter Four.
Complete Chapter Three.
Complete Chapter Two.
Complete Chapter One.