Here is the full list of all 21 Land of War - there are The Beginning achievements.
Complete level The Begining
Complete level Against all odds
Complete level Hell Trenches
Complete level Hold the Line
Complete level Dante's Inferno
Collect all guns
Shoot down 40 helmets
Kill 20 enemies with all guns
Kill 30 enemies with sniper rifle
Kill 30 enemies with Becker
Kill 30 enemies with Vis
Kill 30 enemies with grenades
Kill 30 enemies wih PM-MORS
Get all other achievements
Kill 1000 enemies
Complete any level without dying
Kill 100 enemies with stationary weapon
Complete level Mokra L, without using the first aid kit once
Pick up 5 different weapons on one level
Kill an enemy with less than 10% health
Kill 20 Germans with saber