Hi, I have already completed the game and although I have get some achievements, others don't trigger, even if they are history related. For example, "Good Morning Xenophon" don't show up and it's history related or "First contact"; or the achievement for go back to Earth (in my first walkthrough, I chose to stay in the planet), although I loaded a previous save to pick another ending.

Also, regarding the Mind'o'Matics puzzles...it only appered me the first one (the one from Xenophon). No other did it, so that achievement I couldn't get it either.

Do you have any idea why can this be? I haven't read any case similar and it seems me very rare. A lot of thanks in advance!