Liberty City Minute Please Help!!!!

[RYN15]

soz for getting stressy earlier loaded old save did last mission again and got achievement so thanks to all the posted

[FPF]

Damm I finished the game got the 100% thing, but still needed some achievements, I cheated so i played it again. Did al the 94 missions in 14 houres and didnt got that achievement. Feel tired and F*&^^%$ up. I didnt made any saves because i played it straight without to stop. so i cant load it again. Somebody any tips!? I aint gonna play that shit again.......