America's Army: Proving Grounds

1. 
   Day Zero

   Complete your first objective
   9.9%
2. 
   First Victory

   Win your first match
   15%
3. 
   Double Time

   Win via Extract in under 45 seconds
   2.6%
4. 
   Fast Fingers

   Disarm the C4 with under one second remaining
   1.8%
5. 
   Hat Trick

   Extract the objective three times in a match
   2.8%
6. 
   Bomb Gardener

   Plant the C4 three times in a match
   2.5%
7. 
   Bomb Harvester

   Defuse the C4 three times in a match
   1.8%
8. 
   Guidon Guardian

   Earn a Hawkeye and a Defender in the same round in an extract match
   3.7%
9. 
   Bouncer

   Earn a Hawkeye and a Defender in the same round in a C4 match
   2.7%
10. 
    Ninja Dirt Nap

    Perform a take down on an enemy while he is defusing the bomb
    1.9%
11. 
    Pacifist

    Win a round where no enemies were neutralized
    6.6%
12. 
    Fashionably Late

    Win a round with less than five seconds remaining
    7.0%
13. 
    Taste Your Own Medicine

    Neutralize an enemy with a Czervanian weapon
    8.0%
14. 
    Blackout

    Earn On Point via a take down
    3.1%
15. 
    NO SCOPED!

    Neutralize an enemy with a unsighted sniper rifle
    3.9%
16. 
    Caught Dozing

    Neutralize an enemy while they are reloading
    12%
17. 
    Two Birds - One Stone

    Neutralize two or more enemies with a single frag grenade
    5.7%
18. 
    Collateral Damage

    Neutralize two or more enemies with a single round from any weapon
    3.9%
19. 
    Ground Pounder

    Take down a prone enemy
    2.9%
20. 
    Last Chance Qualifier

    Neutralize an enemy with the last round in a magazine
    6.6%
21. 
    Arms Dealer

    Get a neutralization with every US & CZ weapons
    2.4%
22. 
    Clean Sweep

    Eliminate the entire enemy team with no losses on your team
    13%
23. 
    1A Whiskey

    Neutralize an enemy while at 1% health
    7.3%
24. 
    Taking Out The Trash

    Secure five enemies within a single round
    3.1%
25. 
    Everybody's Buddy

    Revive three teammates within a single round
    7.2%
26. 
    Death After Life

    Neutralize an enemy with a grenade after dying
    6.8%
27. 
    Hooah

    Win a round without taking damage
    20%
28. 
    Army Strong

    Win a match without being neutralized
    6.0%
29. 
    Cesar Bravo

    Neutralize 33 enemies within a match
    2.8%
30. 
    Flash Fire

    Neutralize an enemy while flashed
    7.0%
31. 
    Run & Gun

    Earn a Hawkeye within the first 30 seconds of a round
    2.2%
32. 
    Clean Run

    Play an entire match with no friendly fire incidents
    11%
33. 
    Step-Up

    Neutralize an enemy who is on a ladder
    4.0%
34. 
    Private

    Reach the rank of PVT E-2
    11%
35. 
    Private First Class

    Reach the rank of PFC E-3
    3.6%
36. 
    Specialist

    Reach the rank of SPC E-4
    2.9%
37. 
    Sergeant

    Reach the rank of SGT E-5
    2.5%
38. 
    Staff Sergeant

    Reach the rank of SSG E-6
    2.3%
39. 
    Sergeant First Class

    Reach the rank of SFC E-7
    2.1%
40. 
    Master Sergeant

    Reach the rank of MSG E-8
    2.0%
41. 
    Sergeant Major

    Reach the rank of SGM E-9
    1.9%
42. 
    Water Under The Bridge

    Win a match on Bridge
    3.1%
43. 
    HANO

    Killed from fall damage
    7.6%
44. 
    Fragged

    Killed from an overcooked frag grenade
    4.0%
45. 
    FOGged

    Killed from an overcooked FOG grenade
    2.7%
46. 
    Bad Day at the Office

    Reach 15 deaths in a match with five or fewer kills
    2.3%
47. 
    [Dev]astator

    Neutralize an AAPG developer
    2.3%
48. 
    Total [Dev]astation

    Neutralize 100 AAPG developers
    1.7%
49. 
    Gold Digger

    Earn Gold on all shoot houses
    1.8%
50. 
    Gun Smoke

    Earn Gold with at least 2.5 seconds remaining on the M4 shoot house
    2.4%
51. 
    On Target

    Hit eight enemy targets without a miss on the M14 shoot house
    2.3%
52. 
    One Belt Pony

    Earn Silver or better without reloading on the M249 shoot house
    2.6%
53. 
    Fire in the Hole

    Hit three enemy targets with a single grenade without hitting a friendly target on the M67 shoot house
    2.8%
54. 
    Four of a Kind

    Hit four enemy target in less than a second on the M16 shoot house
    1.8%
55. 
    Locked In

    Earn Gold with at least 59 seconds remaining on the M24 shoot house
    2.1%
56. 
    Gunslinger

    Hit five enemy targets on the M9 shoot house in 2 seconds
    2.7%
57. 
    This... is my Boomstick

    Hit two enemy targets with a single shot on the M870 shoot house
    4.3%
58. 
    Red Belt

    Take down 100 enemies
    2.0%
59. 
    Black Belt

    Take down 1,000 enemies
    1.7%
60. 
    Scavenger

    Neutralize 100 enemies with a Czervenian weapon
    2.6%
61. 
    Junk Diver

    Neutralize 1,000 enemies with a Czervenian weapon
    2.0%
62. 
    Grim Reaper

    Neutralize 10,000 enemies
    2.3%
63. 
    Angel of Death

    Neutralize 100,000 enemies
    1.7%
64. 
    2 Years In

    Play 1,000 Rounds
    3.9%
65. 
    4 Years In

    Play 10,000 Rounds
    2.4%
66. 
    6 Years In

    Play 100,000 Rounds
    1.8%
67. 
    Flagtastic

    Win 100 Extract matches
    2.6%
68. 
    Bombastic

    Win 100 C4 matches
    2.0%
69. 
    Seasoned Warrior

    Win 1,000 matches
    2.2%
70. 
    Be All You Can Be

    Win 10,000 matches
    1.7%
71. 
    CzervenianTheater

    Win a match on each official map
    1.9%
72. 
    Zippity Doo Dah

    Secure 1,000 Enemies
    2.5%
73. 
    Zippity Ay

    Secure 5,000 Enemies
    1.9%
74. 
    Zippy Tie-Yay

    Secure 10,000 Enemies
    1.8%
75. 
    Jack of all Trades

    Play all roles within a match
    2.9%
76. 
    M4 Elite

    Complete the elite M4 challenge
    2.2%
77. 
    M16 Elite

    Complete the elite M16 challenge
    1.9%
78. 
    M14 Elite

    Complete the elite M14 challenge
    1.8%
79. 
    M249 Elite

    Complete the elite M249 challenge
    1.8%
80. 
    870 MCS Elite

    Complete the elite 870MCS challenge
    1.7%
81. 
    M9 Elite

    Complete the elite M9 challenge
    1.9%
82. 
    M1911 Elite

    Complete the elite M1911 challenge
    1.7%
83. 
    M24 Elite

    Complete the elite M24 challenge
    1.9%
84. 
    Weapon Master

    Complete all weapon elite challenges
    1.7%
85. 
    MasterSoldier

    Collect all ten challenge coins
    2.3%
86. 
    Hide & Go Seek

    Win a VIP match
    7.7%
87. 
    The Great Escape

    Escape as the VIP
    4.7%
88. 
    Tagged & Bagged

    Secure the VIP
    3.8%
89. 
    VIR: Very Important Revive

    Revive the VIP
    4.3%
90. 
    One Man Show

    Earn a Golden Hawkeye as the VIP
    1.6%
91. 
    Barefoot Brawler

    Earn a TKO playing as the VIP
    1.5%
92. 
    Knock Out

    Perform a take down on the VIP
    2.0%
93. 
    Shop Local

    Win a match on any user made map.
    4.3%
94. 
    Gone Hiking

    Win a match on each of the Great Outdoors maps.
    1.8%
95. 
    Welcome to the Jungle

    Win a match on each of the Concrete Jungle contest maps.
    1.7%
96. 
    Overlord Of Overload

    Win a match on Overload.
    1.9%
97. 
    I meant to do that!

    Kill an enemy with the RPG back blast.
    1.1%
98. 
    R-Three-G

    Get three kills with a single RPG blast.
    1.1%
99. 
    M17 Elite

    Complete the elite M17 challenge
    0.3%
100. 
     SCAR-H Elite

     Complete the elite SCAR-H challenge
     0.3%

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 100 of them.