First playthrough of the entire series, and so far my favorite part of Assassin's Creed 2 is using the Internet to decode the coded strings in these Eye-Glyph-file-unlock things. Also: Are the
Assassin's Creed 2", All 20 glyphs locations + all solutions/answers for "The Truth" - YouTube
Assassins Creed II Walkthrough Symbols
Assassin's Creed and the Bible Part 1: Portrayal | Video Games and the Bible
Glyphs | Assassin's Creed Wiki | Fandom
How to Walkthrough Assassin's Creed 2: Glyph Puzzle 20 « Xbox 360 :: WonderHowTo