These are hacks or hacking methods that are widely reported or noticed by O2Jammers.
“The Gem bug or Gem hack is anything that may increment a player's Gems. Issue Ways to increment...Gem bug
“The EXP hack is a program that increments a player's EXP by hacking into the respective host's...EXP hack
“The Identity hack (ID hack) (name popularized by the O2Jam community) is a hack method or...Identity hack
“The Flood hack is a hack in O2Jam wherein it appears that a specific user floods the channel at...Flood hack