Here is the full list of all 240 Piercing Blow achievements.
Perform a triple kill 5 times.
Eliminate 20 players using Assault Rifles.
Perform a double kill 5 times.
Achieve 25 death on any mode
Eliminate 15 players using AK-47 Ext.
Eliminate 10 players in Deathmatch Mode.
Win 1 times in Deathmatch Mode.
Win 1 times in Elimination Mode
Achieve 50 death on any mode
Achieve 75 death on any mode
Achieve 100 death on any mode
Achieve 200 death on any mode
Achieve 400 death on any mode
Achieve 600 death on any mode
Achieve 800 death on any mode
Achieve 10 defeat on any mode
Achieve 20 defeat on any mode
Achieve 30 defeat on any mode
Achieve 40 defeat on any mode
Achieve 100 defeat on any mode
Achieve 200 defeat on any mode
Achieve 300 defeat on any mode
Achieve 400 defeat on any mode
Eliminate 10 players in Elimination Mode.
Eliminate 50 players in Elimination Mode.
Eliminate 300 players in Elimination Mode.
Eliminate 800 players in Elimination Mode.
Eliminate 50 players in Deathmatch Mode.
Eliminate 300 players in Deathmatch Mode.
Eliminate 800 players in Deathmatch Mode.
Eliminate 10 players in Bomb Mode.
Eliminate 50 players in Bomb Mode.
Eliminate 300 players in Bomb Mode.
Eliminate 800 players in Bomb Mode.
Eliminate 80 players using Assault Rifles.
Eliminate 250 players using Assault Rifles.
Eliminate 800 players using Assault Rifles.
Eliminate 20 players using SMG's.
Eliminate 80 players using SMG's.
Eliminate 250 players using SMG's.
Eliminate 800 players using SMG's.
Eliminate 20 players in using Shotguns.
Eliminate 80 players in using Shotguns.
Eliminate 250 players in using Shotguns.
Eliminate 800 players in using Shotguns.
Eliminate 20 players using Sniper Rifles.
Eliminate 80 players using Sniper Rifles.
Eliminate 250 players using Sniper Rifles.
Eliminate 800 players using Sniper Rifles.
Eliminate 20 players using Secondary Weapons.
Eliminate 80 players using Secondary Weapons.
Eliminate 250 players using Secondary Weapons.
Eliminate 800 players using Secondary Weapons.
Eliminate 20 players using Melee Weapons.
Eliminate 80 players using Melee Weapons.
Eliminate 250 players using Melee Weapons.
Eliminate 800 players using Melee Weapons.
Eliminate 20 players using Grenades.
Eliminate 80 players using Grenades.
Eliminate 250 players using Grenades.
Eliminate 800 players using Grenades.
Eliminate 20 players using C5's.
Eliminate 80 players using C5's.
Eliminate 250 players using C5's.
Eliminate 800 players using C5's.
Perform a double kill 30 times.
Perform a double kill 100 times.
Perform a double kill 300 times.
Perform a triple kill 30 times.
Perform a triple kill 100 times.
Perform a triple kill 300 times.
Eliminate 5 players with a head shot.
Eliminate 40 players with a head shot.
Eliminate 180 players with a head shot.
Eliminate 300 players with a head shot.
Eliminate 40 players using AK-47 Ext.
Eliminate 250 players using AK-47 Ext.
Eliminate 500 players using AK-47 Ext.
Eliminate 15 players using MP5K Ext.
Eliminate 40 players using MP5K Ext.
Eliminate 250 players using MP5K Ext.
Eliminate 500 players using MP5K Ext.
Eliminate 15 players using PSG1.
Eliminate 40 players using PSG1.
Eliminate 250 players using PSG1.
Eliminate 500 players using PSG1.
Eliminate 15 players using MK46
Eliminate 40 players using MK46
Eliminate 250 players using MK46
Eliminate 500 players using MK46
Eliminate 15 players using SPAS-15
Eliminate 40 players using SPAS-15
Eliminate 250 players using SPAS-15
Eliminate 500 players using SPAS-15
Win 10 games.
Win 50 games.
Win 400 games.
Win 1000 games.
Win 10 times in Deathmatch Mode.
Win 60 times in Deathmatch Mode.
Win 250 times in Deathmatch Mode.
Win 10 times in Elimination Mode
Win 60 times in Elimination Mode
Win 250 times in Elimination Mode
Win 1 times in Bomb Mode.
Win 10 times in Bomb Mode.
Win 60 times in Bomb Mode.
Win 250 times in Bomb Mode.
Kill 2500 Enemies with Assault Rifle
Kill 5000 Enemies with Assault Rifle
Kill 12500 Enemies with Assault Rifle
Kill 25000 Enemies with Assault Rifle
Kill 2500 Enemies with SMG
Kill 5000 Enemies with SMG
Kill 12500 Enemies with SMG
Kill 25000 Enemies with SMG
Kill 2000 Enemies with Shotgun
Kill 4000 Enemies with Shotgun
Kill 10000 Enemies with Shotgun
Kill 20000 Enemies with Shotgun
Kill 2500 Enemies with Sniper
Kill 5000 Enemies with Sniper
Kill 12500 Enemies with Sniper
Kill 25000 Enemies with Sniper
Kill 2000 Enemies with Pistol
Kill 4000 Enemies with Pistol
Kill 10000 Enemies with Pistol
Kill 20000 Enemies with Pistol
Kill 2500 Enemies with Melee weapon
Kill 5000 Enemies with Melee weapon
Kill 12500 Enemies with Melee weapon
Kill 25000 Enemies with Melee weapon
Kill 1250 Enemies with Throwing weapon
Kill 2500 Enemies with Throwing weapon
Kill 6250 Enemies with Throwing weapon
Kill 12500 Enemies with Throwing weapon
Kill 1500 Enemies with Machine Gun
Kill 3000 Enemies with Machine Gun
Kill 7500 Enemies with Machine Gun
Kill 15000 Enemies with Machine Gun
Win 200 Death Matches
Win 400 Death Matches
Win 800 Death Matches
Win 1500 Death Matches
Win 200 Bomb Missions
Win 400 Bomb Missions
Win 800 Bomb Missions
Win 1500 Bomb Missions
Win 200 Elimination Modes
Win 400 Elimination Modes
Win 800 Elimination Modes
Win 1500 Elimination Modes
Win 200 Defense Modes
Win 400 Defense Modes
Win 800 Defense Modes
Win 1500 Defense Modes
Win 200 Destroy Modes
Win 400 Destroy Modes
Win 800 Destroy Modes
Win 1500 Destroy Modes
Win 200 Escape Modes
Win 400 Escape Modes
Win 800 Escape Modes
Win 1500 Escape Modes
Kill 1250 Dinasours
Kill 2500 Dinasours
Kill 6250 Dinasours
Make 1500 Double Kill
Make 3000 Double Kill
Make 7500 Double Kill
Make 15000 Double Kill
Make 1000 Triple Kill
Make 2000 Triple Kill
Make 5000 Triple Kill
Make 10000 Triple Kill
Make 500 Chain Kill
Make 1000 Chain Kill
Make 2500 Chain Kill
Make 5000 Chain Kill
Plant Bombs 100 times
Plant Bombs 200 times
Plant Bombs 400 times
Plant Bombs 800 times
100 Piercing Shot
200 Piercing Shot
300 Piercing Shot
500 Piercing Shot
Make 100 Ace Runners
Make 200 Ace Runners
Make 300 Ace Runners
Make 500 Ace Runners
Kill 750 Enemies with Bazooka
Kill 1500 Enemies with Bazooka
Kill 3750 Enemies with Bazooka
Kill 7500 Enemies with Bazooka
Kill 600 players
Kill 1500 players
Kill 3000 players
Kill 6000 players
Kill 400 players
Kill 1000 players
Kill 2000 players
Kill 4000 players
Kill 200 players
Kill 500 players
Kill 800 players
Kill 8000 players