Here is the full list of all 12 iBomber Attack achievements.
Complete every level in the game on Hard.
Collect all of the intel in the entire game.
Complete all secondary objectives.
Complete a level without firing a single shot.
Complete the game.
Kill a flame thrower guy with a flame thrower.
Complete a level using only the machine gun.
Complete any level of the game.
Complete a level without dying.
Get full destruction on a level.
Complete a secondary objective.
Collect all of the intel in a single level.