List of every chain ever

This is probably unfinished or even unfinishable. I will only include the chains, so don't ask me to include every difficulty in every chain.
== Chains ==
* Unimpossible Chain (Class Negative)
* Ifnite Chain (Class Negative)
* Unrebirth Chain (Class Negative-Class 10?)
* PAK Chain (Class 0 (or Class 0-Class 9))
* EX Chain (Class 0-Class 10?)
* Gar Chain (Class 1 (or Class 0)- Class 28)
* Blocky Chain (Class 1)
* Mentionably Chain (Class 1)
* Small Chain (Class 1)
* Double Chain (Class 1)
* Boxed Chain (Class 1)
* Crushed Hopes Chain (Class 1-Class 17)
* IRL Chain (Class 1-Class 24)
* Pixel Art Chain (Class 1 to Class 2 (or Class 5))