Here is the full list of all 11 Escape: Sierra Leone achievements.
Some games give you an achievement for merely starting the game, this one makes you read the intro text first!
I got 99 problems, but enough ammo ain't one of them. Kill 99 enemies using firearms and other weapons.
Beat down 10 enemies using just your fists.
Escape the island chain via aircraft.
Escape the island chain via boat.
You filled a vehicle's fuel tank completely.
Save up 25 diamonds.
You managed to accrue 100 diamonds.
Experience your first of many deaths.
Walk a total of 1,000,000 steps in game.
Find the War Room.