HALO 2 UNLOCKABLES
Killing Spree
Award: Kill 5 opponents in a row without dying. Availability: All gametypes. Visual Representation: a steel 4 sided star. Difficulty Factor: 6
Running Riot
Award: Kill 10 opponents in a row without dying. Availability: All gametypes. Visual Representation: a bronze 5 sided star. Difficulty Factor: 7
Rampage
Award: Kill 15 opponents in a row without dying. Availability: All gametypes. Visual Representation: silver 6 sided star. Difficulty Factor: 8
Berserker
Award: Kill 20 opponents in a row without dying. Availability: All gametypes. Visual Representation: a gold 8 sided star. Difficulty Factor: 9.
Double Kill
Award: Kill 2 opponents within 4 seconds of each other. Availability: All gametypes. Visual Representation: brass medal with 2 stars. Difficulty Factor: 5
Triple Kill
Award: Kill 3 opponents within 4 seconds of each other. Availability: All gametypes. Visual Representation: steel medal with 3 stars. Difficulty Factor: 6
Killtacular
Award: Kill 4 opponents within 4 seconds of each other. Availability: All gametypes. Visual Representation: bronze medal with 4 stars. Difficulty Factor: 7
Kill Frenzy
Award: Kill 5 opponents within 4 seconds of each other. Availability: All gametypes. Visual Representation: silver medal with 5 stars. Difficulty Factor: 8
Killtrocity
Award: Kill 6 opponents within 4 seconds of each other. Availability: All gametypes. Visual Representation: gold medal with 6 stars. Difficulty Factor: 9
Killimanjaro
Award: Kill 7 opponents within 4 seconds of each other. Availability: All gametypes. Visual Representation: brass medal with 7 stars. Difficulty Factor: 10