Alexim: Yeah, I'm very interested in seeing these achievements fixed, so if you have any news let me know.
I also found this thread:
https://www.gog.com/forum/the_legend_of_heroes_trails_in_the_sky_series/buggy_achievements can you confirm that all the other achievements unlock correctly? I think they are talking about different games in the saga in some cases though.
Alexdz: That thread has some interesting points.
"The Perfect Package" is for Trails in the Sky FC and it did unlock earlier than it should for me as well, though at the time I thought it was due to me using an older save file. The same thing happened to "Bounty Hunter" and "Baby, Come Back" for Trails in the Sky SC, they unlocked ealier than normal for whatever reason.
For the "Master Chef" achievement you need to get all food recipes and prepare them on the cooking menu and I don't believe that user is aware of that and just thought he needed to get all the recipes.
I had no problems getting the "Breakfast Safari" achievement like another users mentioned in that thread, maybe that one got fixed or they are mistaken on the requirements as well. Same the "Blue Knight" one.
Apparently I'm the only person unlucky enough to not get the fishing achievement because it's unlocking for some people.
You can try and contact gog support and let them unlock it for you.. They have done it in the past for other people. Probably because they are busy they might take a little longer.