Here is the complete walkthrough with all achievements.
Bloodwash Video Walkthrough
TimeLine
00:00 Prologue
— 08:17 Polaroid
11:54 Plaza
— 12:32 Comic1
— 12:45 Bloody Shirt
— 12:54 Code
— 13:00 Comic2
— 14:00 GameToy (Highscore Killer Achievement)
— 16:17 Remote
— 17:53 Comic3
— 18:26 Doll Head
— 19:02 TV (Couch Potato Achievement)
— 22:23 Ouija Board (Spirit Summoner Achievement)
— 22:36 Comic4
— 23:40 Comic5
— 24:20 Missing Flier
— 24:34 Arcade Machine (Capitalist Casualty Achievement)
— 27:53 Comic6
— 28:13 Lockbox & Polaroid
— 28:40 Newspaper
— 36:04 Phone Number
— 36:14 Comic7
— 36:31 Police Report
— 37:14 Call Girl (Late Night Call Achievement)
43:41 Officer Burton
49:16 The Womb Ripper
57:19 Conclusion
58:51 Epilogue
Thanks to Modactor for his great guide, all credit to his effort. you can also read the original guide fromĀ Steam Community. enjoy the game.