First of all you do NOT need to kill them at the same time, its only a kill streak.
There is a easy formula to do this challenge.
JUMP + SHOOT(while in the air) + KILL ENEMY *2 = challenge solved ^^
P.S try using p90 or something with fast rate of fire.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.