Secret/In The Dark achievement is definitely glitched. I fell in once on the 2nd lvl, the first manhole, later on in the part where the foot jump out the windows one grabbed me and i couldnt get out in time, i died and the achievement unlocked.
X360: Games Completed [ 26 ] GS [ 30,050 ]
Arcade: Games Completed [ 11 ] GS [ 3,100 ]
Contra - Hexic HD - MK Arcade - Perfect Dark (201%) - Portal - Simpsons - TMNT 1989 - UMK3 - Walking Dead (S01,S02)