26 7 13Actions Report Solution This achievement comes through campaign play on 'Hard' Difficulty.Follow the walkthrough videos below. The achievements do NOT stack for lower difficulties.Negative voters: Please re-vote after obvious solution improvement. Thanks.Showing most recent comments. View all comments. actually they are notPosted by motley gunner On 04 Apr 09 at 23:03 ?!?!?! Really? I stacked mine... (i think..? It was almost a year ago... sorry!)Posted by porschephiliac On 06 Apr 09 at 22:09 I couldn't stack them either, but anyway. Positive vote from me.Posted by StoodBridge On 06 Apr 09 at 23:21 This achievement does not stack with the one for "normal" difficulty.I just beat it on hard and unlocked only this achievement.Posted on 23 Oct 10 at 11:54 Thanks for confirming that teamwrk.Posted by porschephiliac On 23 Oct 10 at 15:52 I can also confirm that they do NOT stackI just started playing it on hard to get both normal and hard cheevos but i completed 1st level and only the hard cheevo popped upPosted by Nynjahh On 16 Feb 12 at 23:14 Thanks NinjaKIUK.Posted by porschephiliac On 16 Feb 12 at 23:41 is there a co-op mode for this? I just picked up the game for cheap and wondering if i can play with friends in co-op for this cheevo!?!?Posted by THEbigBROWNIE On 18 Jun 12 at 16:13 Nope, sorry.Posted by porschephiliac On 18 Jun 12 at 18:18 Finished 1st level, too hard, choose normal replay tomorrowPosted by LikingMallard44 On 22 Mar at 17:08 Leave a comment