Hints for the first 8 levels
1. Check the comment in the source.
2. Ever hear of online streetmap sites? When you get an egg google two words only, nothing else!
3. Three words start with capitals. Do a little sum with one then take these into Google!
4. When you find the clue read the title again carefully!
5. Does that sign look a bit like a chart you may have seen?
6. What is a plural noun form of variable?
7. Got a French dictionary?
8. Only one thing is odd but this is for two reasons!