Yeah it was
Far more funny then a certain website's evil joke about how Alan Wake is coming to PC -something a lot of people have been waiting
hoping for- while it obviously won't ever come out to PC (or onlyseveral years later). I think that was the wrong approach to a "joke", as it was more of a cruel trick.
On the other hand, Mirror Moon's april fool jokes tend to end with everybody being releived, or maybe even happy.