Killer Challenges

This Is A List Of All The Operations Challenges You Can Complete In Call Of Duty 4: Modern Warfare.

Challenge	How to complete	XP Reward	Unlock Level
Claymore Shot	Kill 5 enemies using Claymore’s	250	30
Assault Expert I	Kill 5 enemies with a headshot using an Assault Rifle	50	30
Assault Expert II	Kill 25 enemies with a headshot using an Assault Rifle	100	30
Assault Expert III	Kill 50 enemies with a headshot using an Assault Rifle	250	30
SMG Expert I	Kill 5 enemies with a headshot using an SMG Rifle	50	30
SMG Expert II	Kill 25 enemies with a headshot using an SMG Rifle	100	30
SMG Expert III	Kill 50 enemies with a headshot using an SMG Rifle	250	30
LMG Expert I	Kill 5 enemies with a headshot using an LMG Rifle	50	30
LMG Expert II	Kill 25 enemies with a headshot using an LMG Rifle	100	30
Last Stand Veteran I	Kill 1 enemy using the last stand perk	50	33
Last Stand Veteran II	Kill 5 enemies using the last stand perk	100	33
Last Stand Veteran III	Kill 15 enemies using the last stand perk	250	33
Master Chef I	Kill 5 enemies using a cooked grenade	50	33
Master Chef II	Kill 10 enemies using a cooked grenade	100	33
Master Chef III	Kill 20 enemies using a cooked grenade	250	33
Air Strike Veteran I	Kill 5 enemies by calling in an air strike	50	33
Air Strike Veteran II	Kill 15 enemies by calling in an air strike	100	33
Air Strike Veteran III	Kill 30 enemies by calling in an air strike	250	33
Chopper Veteran I	Kill 5 enemies by calling in a Chopper	50	33
Chopper Veteran II	Kill 15 enemies by calling in a Chopper	100	33
Chopper Veteran III	Kill 30 enemies by calling in a Chopper	250	33
Stun Veteran I	Kill 5 enemies dazed by a stun grenade	50	36
Stun Veteran II	Kill 10 enemies dazed by a stun grenade	100	36
Stun Veteran III	Kill 25 enemies dazed by a stun grenade	250	36
Multi-RPG	Kill 2 or more enemies with a single RPG shot	250	36
Martyrdom Veteran I	Kill 1 enemy with a dropped grenade from the Martyrdom perk	50	36
Martyrdom Veteran II	Kill 10 enemies with a dropped grenade from the Martyrdom perk	100	36
Martyrdom Veteran III	Kill 25 enemies with a dropped grenade from the Martyrdom perk	250	36
Stealth I	Kill 10 enemies using a silenced weapon	50	39
Stealth II	Kill 25 enemies using a silenced weapon	100	39
Stealth III	Kill 50 enemies using a silenced weapon	250	39
Invisible I	Kill 5 enemies using a sniper rifle	50	39
Invisible II	Kill 25 enemies using a sniper rifle	100	39
Invisible III	Kill 50 enemies using a sniper rifle	250	39
Counter Claymore I	Kill 1 enemy by shooting a claymore	50	39
Counter Claymore II	Kill 5 enemies by shooting a claymore	100	39
Counter Claymore III	Kill 10 enemies by shooting a claymore	250	39
Counter C-4 I	Kill 1 enemy by shooting a C-4	50	39
Counter C-4 II	Kill 5 enemies by shooting a C-4	100	39
Counter C-4 III	Kill 10 enemies by shooting a C-4	250	39