Strike Force Heroes

1. 
   The End?

   Complete the campaign on Normal.
   37%
2. 
   Hardened

   Complete the campaign on Hard.
   13%
3. 
   Strike Force Hero

   Complete the campaign on Heroic.
   5.1%
4. 
   Insane in the Membrane

   Complete the campaign on Insane.
   3.5%
5. 
   Decreate the Creators

   Complete all challenges on Normal.
   12%
6. 
   No Sweat

   Complete all challenges on Hard.
   4.7%
7. 
   EZ PZ

   Complete all challenges on Heroic.
   2.5%
8. 
   Challenge Accepted

   Complete all challenges on Insane.
   1.9%
9. 
   Astronaut

   Kill 650 enemies while airborne.
   19%
10. 
    Grassy Knees

    Kille 650 enemies while sliding.
    1.5%
11. 
    CTF Runner Mastery

    Kill 210 enemies while carrying the Flag.
    8.0%
12. 
    Leg Workout

    Teabag 210 enemies after killing them.
    11%
13. 
    CTF Mastery

    Capture 210 flags in CTF.
    7.7%
14. 
    Domination Mastery

    Collect 650 points in Domination.
    24%
15. 
    Boom ________

    Kill 650 enemies with headshots.
    39%
16. 
    GlobeX Exterminator

    Kill 1450 enemies.
    40%
17. 
    Marathon

    Travel 65 kilometers total.
    47%
18. 
    On Duty

    Restore 6500 health to yourself or your allies.
    40%
19. 
    Objective Focused

    Win 145 games of CTF or Domination.
    5.2%
20. 
    Can't Touch This

    Dodge 4300 Damage using Blur.
    17%
21. 
    Makin' It Rain

    Hit enemies with 14500 bullets.
    11%
22. 
    Explosive Results

    Deal 6500 damage with Explosives.
    20%
23. 
    Stop Hitting Yourself

    Kill 1450 enemies at point blank range
    11%
24. 
    Beefy Boi

    Block 8000 Damage total.
    16%
25. 
    Compulsive Gambler

    Spend $44500 at the slot machine.
    42%
26. 
    Big Spender

    Spend $44500 at the shop.
    27%
27. 
    Guns and Gadgets

    Collect 145 Weapons & Gadgets total.
    29%
28. 
    Hoarder

    Collect 6 Outfits total.
    31%
29. 
    Maxed

    Reach Level 30 with each hero.
    11%
30. 
    Skilled

    Reach Level 15 with each hero.
    41%
31. 
    Assault Mastery

    Kill 1450 enemies with Assault Rifles.
    7.0%
32. 
    Machine Mastery

    Kill 1450 enemies with Machine Guns.
    7.0%
33. 
    Magnum Mastery

    Get 325 headshots with Magnums.
    12%
34. 
    Melee Mastery

    Kill 1025 enemies with Melee Weapons.
    5.5%
35. 
    Explosive Mastery

    Kill 1450 enemies with Explosives.
    3.7%
36. 
    Shield Mastery

    Kill 1025 enemies with Shields while Blocking.
    2.8%
37. 
    Shotgun Mastery

    Kill 1450 enemies with Shotguns.
    3.0%
38. 
    Sniper Mastery

    Get 325 headshots with Sniper Rifles.
    24%
39. 
    Secondaries

    Kill 1450 enemies with Secondaries.
    3.2%
40. 
    From The Shadows

    Kill 4300 enemies while still partially invisible.
    8.3%
41. 
    Holistic MedicineSecret

    Steam withholds the description of a secret achievement.
    8.5%
42. 
    Dodge ThisSecret

    Steam withholds the description of a secret achievement.
    10%
43. 
    Over HydrationSecret

    Steam withholds the description of a secret achievement.
    6.2%
44. 
    Stick to SaladSecret

    Steam withholds the description of a secret achievement.
    7.4%

Names, descriptions and icons are the game’s own, as Steam publishes them; the share is how many owners have unlocked each, from Steam's global figures for 44 of them.