Thank you for the submission
SpeedBumpPony!
We have added the difficulty specific flag to the Iron Belly achievement, since indeed, the hunger meter does not run out on peaceful.
We have not added the buggy- flag to Sniper Duel though, since there are no other reports of people not gaining this achievement, it may just have been an other problem, possibly related to Xbox Live. When we get more reports of this problem, we'll off course add the flag
As for
AR4DOR's submission, the team decided to add the Buggy- flag to Passing the Time, since a lot of people report problems with obtaining this achievement in the comments for the solutions.
Thank you again, both of you, for the submissions.