I could be wrong but the alternative way to get the MEGA COMBO achievement seems to be incorrect or just glitched for me because I tried on my ladies account and no achievement. We'll just wait for the later tracks rather than the sandbox mode.
EDIT: Yeah it was a bit glitchy because I did it 4 times (not edit mode either) and nothing but as soon as I deleted my track, it unlocked at the main menu. Weird. Thanks.
Last edited by Coojo78; 12-28-2011 at 05:47 AM.