Here is the full list of all 100 DEFENDit achievements.
100 waves in total.
Reach wave 100.
Reach wave 90.
Reach wave 80.
50000 ammo used.
75 waves in total.
Reach wave 70.
40000 ammo used.
Reach wave 60.
1000 tank enemies killed.
30000 ammo used.
1000 speed enemies killed.
5000 points in total.
5000 enemies killed.
10000 money in total.
50 waves in total.
Reach wave 50.
4000 points in total.
750 tank enemies killed.
750 speed enemies killed.
7500 money in total.
20000 ammo used.
3000 points in total.
Reach wave 40.
2500 enemies killed.
500 tank enemies killed.
5000 money in total.
500 speed enemies killed.
2000 points in total.
1000 normal enemies killed.
10000 ammo used.
Reach wave 30.
750 normal enemies killed.
7500 ammo used.
25 waves in total.
2500 money in total.
250 tank enemies killed.
250 speed enemies killed.
1000 points in total.
Reach points 1000.
1000 enemies killed.
500 normal enemies killed.
Reach points 900.
5000 ammo used.
Reach points 800.
Reach wave 20.
750 points in total.
Reach points 700.
Reach points 600.
500 points in total.
Reach points 500.
500 enemies killed.
250 normal enemies killed.
1000 money in total.
2500 ammo used.
100 tank enemies killed.
Reach points 400.
100 speed enemies killed.
75 tank enemies killed.
750 money in total.
Reach points 300.
75 speed enemies killed.
10 waves in total.
50 tank enemies killed.
250 points in total.
250 enemies killed.
500 money in total.
Reach wave 10.
1000 ammo used.
Reach points 200.
50 speed enemies killed.
100 normal enemies killed.
25 tank enemies killed.
250 money in total.
75 normal enemies killed.
25 speed enemies killed.
500 ammo used.
100 points in total.
Reach points 100.
100 enemies killed.
10 tank enemies killed.
5 waves in total.
75 enemies killed.
5 tank enemies killed.
50 normal enemies killed.
100 money in total.
10 speed enemies killed.
50 enemies killed.
50 points in total.
5 speed enemies killed.
50 money in total.
25 enemies killed.
25 normal enemies killed.
10 normal enemies killed.
10 enemies killed.
5 normal enemies killed.
200 waves in total.
300 waves in total.
400 waves in total.
500 waves in total.