Full list of all 20 Tiny Troopers achievements worth 200 gamerscore. It takes around 6-8 hours to unlock all of the achievements on Windows Phone.
Kill 50 Enemies with an Airstike
Kill 50 Enemies with Rockets
Complete Chapter 3
Fully Upgrade You Squad
Kill 50 Enemies with Delta Force
Kill 50 Enemies with Machine Gunner
Destroy 10 Tanks
Complete Chapter 2
Kill 50 Enemies with Grenades
Use one of each heavy weapon on a single mission
Use an Airstrike to Kill 3 Enemies At Once
Order 10 items from HQ
Complete Chapter 1
Destroy 10 Towers
Earn 200,000 Command Points
Kill 100 Enemies
Collect 25 Dog Tags
Loose 5 Troopers to Mines
Loose the first mission
Complete the Tutorial