Like in all online riddles, rules are pretty much the same:
- change url to get to next level
- check source code maybe some hints will be there
- check image properties, exif
- use Gimp (threshold, brightness/contrast)
- sometimes you might need to find another file(s)
- for codes and ciphers (yeah, i like those a lot!!!) you can use Luthorien site, Dcode site, Boxentriq or Cryptii (links are down below)
- i dont like sound/musical levels, so you wont find such thing here!
- last but not least: KEEP NOTES OF LEVELS, YOU MIGHT NEED THEM LATER
Sites you might use:
- Red Luth
- Anagram Solver or Anagram Solver
- Seasons colors
And of course: Google is Your Friend!! Always!!