7 0 3Actions Report Solution You must obtain 3 stars in the 4 levels of the world 1. Here are the videos of these levels in DUO mode (in these videos, we got 4 stars, but only 3 are necessary for the achievement).Level 1-1:Level 1-2: Level 1-3:Level 1-4:Showing all 3 comments. Leave a comment. This bug for anyone else?Posted by jcrankin On 02 Mar 20 at 20:19 Bug for mePosted by xLUIZ FURYx On 13 Jun 20 at 02:12 Yes bugged for me as well. On-line co-op, I was host. The other player got it unlockedPosted by Prattalmighty On 17 Jun 20 at 21:45 Leave a comment