26.Ace of Spades - 15gp
Perform 5 consecutive kills without dying in an adversarial match without respawns.
在設定沒有重生的對抗配對場中，在沒有死掉一次的情況下連殺5人。

27.The Ace Always Wins - 5gp
Win your first ranked match online.
贏第一次的等級配對。

28.Double or Nothin - 10gp
Win 2 ranked matches in a row.
連續贏2次的等級配對。

29.Three of a Kind - 15gp
Win 3 consecutive ranked matches in a row.
連續贏3次的等級配對。

30.Royal Flush - 30gp
Win 100 adversarial matches with at least 6 players present.
贏100場對抗賽，但至少需6位玩家同場。

31.The House Always Wins - 15gp
Host and win 10 matches with at least 6 players present.
開場且贏這10場配對，但至少需6位玩家同場。

32.My Hero! - 10gp
Rescue both Hostages 10 times in Attack & Defend with at least 6 players present.
在”攻擊和防衛”模式場中，解救人質10次，但至少需6位玩家同場。

33.Kamikaze - 10gp
Plant and detonate 10 bombs in Attack & Defend with at least 6 players present.
在”攻擊和防衛”模式場中，置放並引爆10次炸彈，但至少需6位玩家同場。

34.Demo Expert - 10gp
Defuse 10 bombs in Attack & Defend with at least 6 players present.
在”攻擊和防衛”模式場中，拆掉10次炸彈，但至少需6位玩家同場。

35.Covert Ops Specialist - 10gp
Extract the intel item 10 times with at least 6 players present
獲取筆電中情報10次 ，但至少需6位玩家同場。

36.Cluster Bomb - 10gp
Kill 3 enemies at once using explosives with at least 6 players present
用爆炸性武器同時擊斃3個敵人，但至少需6位玩家同場。

37.Sidearm Frenzy - 25gp
Kill 100 enemies using a Pistol with at least 6 players present.
用手槍擊斃100個敵人，但至少需6位玩家同場。

38.Come Closer - 20gp
Kill 100 enemies using a shotgun with at least 6 players present.
用Shotgun(霰彈槍)擊斃100個敵人，但至少需6位玩家同場。

39.Spray and Pray - 15gp
Kill 100 enemies using a Sub-Machine Gun with at least 6 players present.
用Sub-Machine Gun擊斃100個敵人，但至少需6位玩家同場。

40.Short Controlled Bursts - 15gp
Kill 100 enemies using an Assault Rifle with at least 6 players present.
用Assault Rifle擊斃100個敵人，但至少需6位玩家同場。

41.One Shot, One Kill - 30gp
Kill 100 enemies using a Sniper Rifle with at least 6 players present.
用Sniper Rifle擊斃100個敵人，但至少需6位玩家同場。

42.Machine Gunner - 20gp
Kill 100 enemies using a Light Machine Gun with at least 6 players present.
用Light Machine Gun擊斃100個敵人，但至少需6位玩家同場。

43.Private First Class - 10gp
Achieve the rank of Private First Class.
達到上等兵的階級。

44.Officer - 30gp
Achieve the rank of Officer
達到軍官的階級。

45.Elite - 50gp
Achieve the rank of Elite
達到精英的階級。

46.Haute Couture - 10gp
Create your own custom camouflage.
創造出自屬的偽裝。

47.True Identity - 20gp
Use the Xbox Live Vision to create a character with your appearance.
用視訊攝影機創造出自己臉孔的角色。

A.C.E.S 戰技提昇
分享一下入手快兩個星期關於戰技提昇方面的心得
遊戲中除了三項戰技(ACES)另外還有官階等級(RANK)
三項戰技最高能提昇至20級,每次升級都可獲得該等級對應之武器或經驗值
官階等級提昇則是能夠獲得裝甲衣褲和配件
以下為三種不同戰技提昇的種類及方式(官階還沒練滿,滿了再上來分享)
Assault ACE points (爆破圖示)
+3: Kill an enemy or player behind cover with penetrating weapons.
使用具有穿透力的武器射殺躲在掩體後的敵人 (如:light machine gun,sniper rifle)
+3: Kill an enemy or player with C4.
使用C4殺死敵人
+2: Kill an enemy or player who is using a mounted machinegun.
射殺正在使用機槍台的敵人
+2: Kill an enemy or player with a frag grenade or breaching charge.
使用手榴彈及破門彈(就是炸門的那個= =")殺死敵人
+2: Kill an enemy or player who is using a riot shield.
射殺使用盾牌的敵人
Marksmanship ACE points (準心圖示)
+3: Kill an enemy or player at long range.
射殺一定距離遠的敵人 (不知道距離多遠才算)
+3: Kill an enemy or player when they are on a rope.
射殺繩索上的敵人
+2: Kill an enemy or player while you are rappelling.
在繩索上射殺敵人 (這項有成就可解)
+2: Kill an enemy or player who is sprinting.
射殺奔跑中的敵人
+1: Kill an enemy or player with a headshot.
爆頭 XD
Close Combat ACE points (拳頭圖示)
+3: Kill an enemy or player at short range.
近距離射殺敵人
+3: Kill an enemy or player who is stunned or flashbanged.
射殺遭受震撼彈或閃光彈影響的敵人
+3: Kill an enemy or player by blind-fire.
盲射 (不探頭直接按RT射擊)
+3: Kill an enemy or player from behind.
從背後射殺敵人