hi......
This is what I've found after using my own time to search back on the reviews:
Passwords:
1.operator
2. script
3.patch
4.roses
5.properties
6.lantern
7.faint
8.autopsy
9.aidem
10.lovely
11.log
12.benny
13.before
14.lolcake
15.knee
16.workspace
17.free
18.slam
19.flat
20.mouse
21.circle
22.logic
23.ground
24.narrative
25.language
26.351
27.pinnacle
28.hedgehog
29.yo
30.sbc
Secrets and stuff:
click on the a by the N/A at level 30=secret
click on the cats right eye ol level 20=secret
press tab and click on the movie symbol at the bottem left corner of the screen=sceret
move left on level 16 and click on the trophey=medal
on level 13,move north-east until you see a arrow,followit and click on the trophey=medal
at level 4,move left and jump off the first platform,then jump over the gap and click on the trophey=medal
click on the start button on the nintendo ds=secret
hope this helps!