6 0 0Actions Report Solution Achievement unlocked once you finish the first chapter on any difficulty. I recommend doing it at the highest level of difficulty, and once finished the game, you get all the achievements related to difficulty.Guide not helping? View 2 more guides for this achievement.Leave a comment
3 0 0Actions Report Solution The boss can be defeated by shooting at him anything at the same time when he shoots a rocket at you... it's about timing... or you can just kill him with the precise aim (Up on D-pad).Good luck!
3 1 0Actions Report Solution You will get this achievement once you complete the level "Hong Kong Marketplace" the only advice I can really give you is just go on casual since it does not matter what difficulty you beat this level on.