Flashback time, I adore all Karoshi Suicide games so I'll be bringing here the walkthroughs for Karoshi Suicide Salaryman series. Karoshi Suicide Man is here to make your brain hurt! Why put up with the hassle of having to figure out these rather confusing puzzles when you can just watch this video and get it all right away from SomeOnlineGamer.
Play Karoshi: Suicide Salaryman here
Karoshi Suicide Salaryman walkthrough
Karoshi Suicide Man 2 Tutorial
Karoshi Suicide 2 walkthrough (or Super Karoshi walkthrough)