9 3 2Actions Report Solution You need to complete the level Data Hive in the Halo 3 ODST campaign.Showing both comments. Leave a comment. Mine unlocked when I started the level.Posted by AngryBob4213 On 19 Feb 19 at 00:25 Looks like the glitch still exists as I got the achievement during the opening cutscene.Posted by CerebralBored On 25 Sep 20 at 11:19 Leave a comment