I have a TA session for trading the Quad Bike kill achievement. It's the only achievement we're getting so it should only take like 20 minutes, check it out, thanks!
Winding down the achievement hunting...
94%+ Completion (180/214 games complete w/ DLC (Most Recent: Wolf Among Us)
Halo Fanatic, Music enthusiast, Duck
(18230/18950 Total Halo Gamerscore)