Didn't even think of boosting it. Took me 11 months but I got it. I think I have 32 d2.0 kills now.
C4 is your friend. Paint buildings with it.
100%: Ninety nine nights, Halo 3, Halo 3 ODST, Borderlands, Bad company 2 (Onslaught, multiplayer), Dash of Destruction, Harm's Way, MTG Duals of the Planeswalkers, Fable 2, Halo Reach (Retail and Dlc 1), Gears of War 2 (Darkness map pack).