-do_ob- Posted September 4, 2013 Share Posted September 4, 2013 (edited) I tried all the techniques unsuccessfully. Very frustrating because you don't know what you need to improve. After days I found the best technic on X360Achivements. With this technique we can see what's the factors. - The time - Streak damage - Precision - Score - Secondary objectives don't do anything Only damages (And life obviously) The technique consists to take your time, very slowly, and kill the ennemy before they're on your screen. You can see if you touch them when you look the score. I did it on mission 6, on Hardcore, 25mn, never lost a life, perhaps 3 millions points and a streak damage never over 13... And it works perfectly. Alien rank on my second try. Good luck and thx to our neighbors from Xbox Edited September 4, 2013 by -do_ob- Link to comment Share on other sites More sharing options...
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