Y HALO THAR EVERY1, it's time for a walkthrough.
First off, the goal of Karoshi is to kill your self. Arrow keys to move and space to shoot (if you have a gun). Let's get started!
49. IMPALE yourself on the spikes. If you can't beat this... Well, you suck. =/
48. Push the safe off the ledge so you can get up on the second ledge. IMPALE yourself.
47. Push the button so the safe falls. Push the safe onto the button, and IMPALE yourself.
46. Push a button. Jump up and push the safe over 'till it's directly above the button on the right. Push the button that the safe is over. CRUSH.
45. Don't hit the button just yet. Push the safe under the other safe first. Push Mr. Button, then push the bottom safe so that the top one CRUSHes you.
44. Get the pewpewpew gun. Jump and shoot until you get the safe off of the ledge. Use it to jump onto the ledge. IMPALE.
43. Shoot into the pink slope. Your bullet will bounce. Jump into the bullet when it comes pass. BLAM!
42. This one's a bit tricky. Shoot the safe (using the slopes) so that it will fall on you. CRUSH.
41. Stand on first ledge, and shoot 2 bullets really fast. If it worked, push the safe over to the wall, and IMPALE.
40. Bounce on Mr. Spring and shoot the pink block. Try to aim yourself into a bullet. BLAM!
39. See 40. It's almost the exact same thing, except a little trickier.
38. Shoot the boom blocks. Study where the safe lands, and restart so that you can CRUSH yourself. (note: explosions don't kill you.)
37. Push the boom block on the ledge so that it continues the boom chain over the block. Satand over the safe, and you will get CRUSHED.
36. Push the safe over to the edge of the boom blocks. Shoot the booms, and the safe will jumpo to the next group. Repeat, and stand under the safe so you get CRUSHED.
35. Walk through the side of the screen. Jump up, and IMPALE yourself.
34. Push the safe all the way to the right. Hit the button on the right.go back, and jump up so that you can push the very top safe. Push it through the switch, but NOT ONTO THE BUTTON. Use it to jump over the wall, and ELECTRIFY yourself.
33. Get the gun, and shoot the switch while on the left side to ELECTRIFY yourself.
32. Push the safe onto the safe switch (looks like a sideways [). Push the boom block next to the safe, while it still staying on the shock floor. Jump down and flip the switch. Stand under the safe to get CRUSHED.
31. Clear the safes out of the way by shooting them to the right. Once you break the wooden block, shoot bullets to try and hit yourself in that corridor.
30. IMPALE yourself.
29. Shoot through the wooden blocks. Jump up the ledges and shoot through the wooden blocks holding the safe. Run quickly over to get CRUSHED.
28. Jump down and shoot the pink blocks with at least 1 bullet. This will take a few tries. Push the button so the the safe falls on your side, CRUSHING you.
27. Run off the left side of the screen and shoot. Run back past the right side to hit yourself. BLAM!
26. Jump up and push the top safe onto the button on the left. Push the other safe onto the box button. Don't even bother with the third safe. Fall while shooting the wooden block and quickly running under it, getting you CRUSHED.
25. Push the boom block to the left off of the button blocks, but not off the ledge. Push the safe onto the button box and press the button so it falls. Push the boom block over to the wooden block and shoot it so it explodes. Pull the switch and head down. Push the safe onto the box button and ELECTRIFY yourself.
24. Jump and shoot the gun to push the safe over the ledge. Quickly run under it to get CRUSHED.
23. Shoot a bullet into the slope. Now, rapidly shoot bullets at the safe, pushing it to the right. When it lands on the button, IMPALE yourself.
22. Shoot rapidly before you hit the button, making the boom that just fell explode. Sprint over to under the safe to get CRUSHED.
21. Carefully shoot the safe so that it doesn't fall in a pit, yet your bullet hits it. When it hits the button, IMPALE yourself.
20. You can fall down the pit. Shoot the safes onto the buttons and IMPALE yourself.
19. Run over the button, shoot VERY VERY quickly, so that you kill yourself with a BLAM!
18. A test of speed. get CRUSHED.
17. Push the safe onto the box button. Walk through the left side of the screen, and IMPALE yourself.
16. Jump up the platforms. Notice you can jump off the top of the screen. Jump onto that ceiling block and IMPALE yourself.
15. Jump up the first 2 platforms. Jump off the left side onto the rightmost platform. Pull the switch, and ELECTRIFY yourself.
14. Hold right. ELECTRIFICATION!
13. Push the button. Press R. You'll be teleported over to the next room. Repeat until you can ELECTRIFY yourself. Now we're getting to the FUN levels. :D
12. Find the real spike. It's in the lower right. IMPALE yourself.
11. In this level you jump higher with every jump. Grab the gun, and shoot the pink blocks for a BLAM!
10. Tap left vvveeerrryyy slowly or else a wall will appear. Impalement!
9. Push down the boom block and shoot it to knock off the safe into an endless loop follow it, and you'll eventually be CRUSHED.
8. This is hard to explain, but try to get hit by a falling EXPLOSION.
7. Take one step to the right, and press "K" on your key board. CRUSHING! :D
6. Don't move. SPONTANEOUS COMBUSTION! :D
5. Controls are simply reversed. Make your way up the platforms, and IMPALE yourself.
4. Click to make a block. Jump your way up with these created blocks to IMPALE yourself.
3. This is the best level ever. In it, your mouse is an invisible block. Work in conjunction of keyboard and mouse to get the safe to the button, and IMPALE yourself.
2. Press "return to menu" in the upper left corner. SPONTANEOUS COMBUSTION! :D
1. Oh noes! The girl at the top is shooting hearts. AVOID THEM AT ALL COSTS. The square randomly jumps around. Try to get it to CRUSH you. If you get hit by a heart, you'll have to repeat this level 'till your heart count is 1 again.
Congratulations! You've just beaten Karoshi! Have a good day, and enjoy the unexpected ending.