I have the answers up to level 52. DO NOT LOOK DOWN IF YOU DO NOT WANT THIS GAME COMPLETELY RUINED FOR YOU UP TO LEVEL 52!!!! *HUGE SPOILER ALERT*
*WARNING WARNING SPOILERS*
Sorry, I REALLY want to make sure I don't ruin it for you guys. Scroll down a lot to see it.
I am NOT RESPONSIBLE if this totally ruins it for you. Look at spoilers at own risk.
*SPOILERS*
Oh yeah, if mods find this unallowable feel free to delete it from this post.
and one more time:
*CAUTION HOLY SHIT TONS OF SPOILERS*
*AGAIN I REPEAT HUGE SPOILERS DO NOT LOOK IF YOU DON'T WANT IT RUINED!*
*HUUUUUUUUUUGE SPOILERS!*
*DON'T LOOK!*
*OK FINE I GIVE UP THEY ARE YOURS*
Level 1: Open the door.
Level 2: Put mouse over door, close pop-up with enter and open door.
Level 3: In the url, change "false" to "true"
Level 4: UN: early PW: death
Level 5: UN: some PW: things
Level 6: UN: help PW: doom
Level 7: In the url, change "tieman.htm" to "rediar.htm"
Level 8: UN: invert PW: ten
Level 9: UN: turnmeon PW: deadman
Level 10: UN: hello PW: stranger
Level 11: UN: ****ing PW: pans
Level 12: UN: remote PW: control
Level 13: UN: devil PW: hell
Level 14: UN: déjà PW: vu
Level 15: UN: rest PW: peace
Level 16: UN: zoom PW: murder
Level 17: In the url, change "pron.htm" to "lamp.htm"
LEvel 18: In the url, change "lamp.htm" to "cage.htm"
Level 19: UN: unfair PW: riddle
Level 20: UN: really PW: unfair
Level 21: UN: making PW: progress
Level 22: In the url, change "banana.htm" to "unexpected.htm"
Level 23: In the url, change "unexpected.htm" to "secret.htm"
Level 24: In the url, change "secret.htm" to "stupidphone.htm"
Level 25: UN: riddle PW: solved
Level 26-29: easy way to do this is change it from "screen26" to "screen30" and enter UN: face PW: lift
Level 30: change end url to "davidandhism.htm"
Level 31: Change url ending to "eisenhuettenstadt.htm"
Level 32: Change url ending to "vatican.htm"
Level 33: kewlday.htm
Level 34: unleadedfuel.htm
Level 35: UN: mickey PW: mouse
Level 36: exclusive.htm Don't change the folder to exclusive or else you will no longer be on "not"pron 
Level 37: elvis.htm
Level 38: einstein.htm
Level 39: boobless.htm and click the boob
Level 40: help.htm
Level 41: nextlevel.htm
Level 42: scottymorris.htm
Level 43: sizematters.htm
Level 44: evil.htm
Level 45: fyrtiosex.htm
Level 46: change url from /nomeaning/ to /threethreethree/ and enter UN: extra PW: fun
Level 47: gbdim.htm
Level 48: criminal.htm
Level 49: UN: fahrenheit PW: 911
(Fake) Level 50: type in laser.htm this is the first fake level.
(Fake) Level 51: tower.htm
(Fake) Level 52: tree.htm
(Fake) Level 53: road.htm
(Real) Level 50: there should now be a banner above the picture. this level is real. minesweeper.htm
(Real) Level 51: xyzzy.htm
