Here is the full list of all 112 STE : Save The Earth achievements.
Destroy 1 Alien
Destroy 100,000 Aliens
Destroy 500,000 Aliens
Destroy 1,000 K Aliens
Destroy 2,000 K Aliens
Destroy3,000 K Aliens
Destroy 4,000 K Aliens
Destroy 5,000 K Aliens
Recruit 100 Soldiers
Recruit 500 Soldiers
Recruit 1,000 Soldiers
Recruit 2,000 Soldiers
Recruit 100 Bazookas
Recruit 500 Bazookas
Recruit 1,000 Bazookas
Recruit 2,000 Bazookas
Recruit 100 Mortars
Recruit 500 Mortars
Recruit 1,000 Mortars
Recruit 2,000 Mortars
Recruit 100 Jeeps
Recruit 500 Jeeps
Recruit 1,000 Jeeps
Recruit 2,000 Jeeps
Recruit 100 A.A.Jeeps
Recruit 500 A.A.Jeeps
Recruit 1,000 A.A.Jeeps
Recruit 2,000 A.A.Jeeps
Recruit 100 Tanks
Recruit 500 Tanks
Recruit 1,000 Tanks
Recruit 2,000 Tanks
Recruit 100 B.F.A.A
Recruit 500 B.F.A.A
Recruit 1,000 B.F.A.A
Recruit 2,000 B.F.A.A
Recruit 100 M.Launchers
Recruit 500 M.Launchers
Recruit 1,000 M.Launchers
Recruit 2,000 M.Launchers
Recruit 100 Aircrafts
Recruit 500 Aircrafts
Recruit 1,000 Aircrafts
Recruit 2,000 Aircrafts
Recruit 100 Choppers
Recruit 500 Choppers
Recruit 1,000 Choppers
Recruit 2,000 Choppers
Earn 500,000 Resources
Earn 1,000 K Resources
Earn 500,000 K Resources
Earn 1,000 M Resources
Earn 500,000 M Resources
Earn 1,000 B Resources
Earn 500,000 B Resources
Earn 1,000 T Resources
Earn 500,000 T Resources
Earn 1,000 Qa Resources
Earn 500,000 Qa Resources
Recruit 100,000 Total Troops
Recruit 1,000 K Total Troops
Recruit 100,000 K Total Troops
Reach Level 50
Reach Level 100
Reach Level 200
Reach Level 500
Get the full medal
Destroy 500 Carriers
Destroy 2,500 Carriers
Destroy 5,000 Carriers
Destroy 10,000 Carriers
Destroy 50,000 Carriers
Grab 50 Supply boxes
Grab 100 Supply boxes
Grab 250 Supply boxes
Grab 500 Supply boxes
Grab 1,000 Supply boxes
Grab 2,000 Supply boxes
Unlock the Evolution