Been playing F.E.A.R all weekend

[semillama]

Pretty fun game. I rented it for a try-out on my 360. Haven't done any MP matches yet.

I do have a question that the typical internet sleuthing hasn't been able to really answer to my satisfaction:

Do achievements in the 360 version stack, that is, for achievements such as finding all the boosters, can you go back and find some you missed or does it all have to occur within the context of a single run through the campaign?

[semillama]

1. Ok, got an answer to my question, sort of

In terms of gathering all the intel, you have to get all the laptops through one continuous runthrough of the campaign, you can't go back and get one by selecting a mission. I found this out after following a guide and a laptop disappeared due to a glitch involving combat damage.
I did get my boosters achievement though. I'm going to run through tonight and tomorrow night and try for intel again, and maybe the survivalist and exterminator achievement as well. Normally I'm not so achievement focused, but since I rented it, figured I should give it a shot before I return it.

Also, there are three secret achievements that don't give points, put in for humor- I found out what one was on accident!