To unlock achievements for Mercenaries 2 World in Flames just simply do what the description says. For example the achievement "Shoot to Thrill" worth 20G details in the description that you must make 25 headshots to unlock it. Once you have killed 25 enemies using headshots, you will unlock the achievement.
The same basic process is used to unlock all the other Mercenaries 2 achievements.
unlock certain achievements
Sorry there is no unlock-able like that.
By finishing the Mercenaries game. Get a 5 stars in each characters and you will unlock the handcannon.
There are no unlockable achievements on Chicken Smoothie.
you go to achievements and see what you havent done
If you unlock 1000 gamerscore with those achievements then yes you can unlock the katana body Armour.
You cant the other unlockable players are unlocked in the game (achievements) except for RAAM you have to unlock another achievement in Gow 1 to unlock RAAM
The Security Head and only be unlocked by getting a gamerscore of at least 1000 in Halo 3 with at least 49 achievements from Halo 3 unlocked. Before Title Update 2 this meant you had to unlock all the achievements to unlock the Security Head. Since the new achievements from Title Update 2, the head may be unlocked from any 49 non-vidmaster achievements.
There will be a mercenaries 3 because if you heard on the end of mercenaries 2 Fiona says "how does India sound?"
In the original mercenaries, you get 100,000,000 dollars. In mercenaries 2, you dont get any money.
No, they are easier to unlock.
Your work for them.