i did it in like a week but i think you can do it in 1 day if you play alot, i played like 1 hour a day ^_^
Difficulty-Normal Skulls- Tough Luck, Catch, Fog, Famine, Thunderstorm, and Grunt's Birthday party for fun i did all the missions with those settings,
LOL 4 more achievements are all i need but im not gonna try hard to get em if i do, i do; if i dont, i dont
i have all the skulls and full hayubusa armor but a havent got all achivements but thats next on my list well done !!
Does anyone want to make a meta-game party? My gamertag is andrew199 add me if you want to help me get these acheivments.