Ban Evasion Group Trolling Hacking Loopholing Toxic Gameplay / Toxicity Meta-gaming Ghosting RDM & Leave Harassment Mass RDM Porn Spray Exploiting Spam Conflict of Interest Not to mention everyone's favourite, karma bans. There are some custom ones by admins, but these should be all the defaults.
Non-discretionary (Mods can ban people for these) Mass RDM RDM and Leave Porn, Gore, and Disgusting Sprays Porn, Gore, and Disgusting Avatars Porn, Gore, and Disgusting Content Harassment False Reporting Improper Name Spam Ghosting Hacking Cheating Karma ban Discretionary (Need Admin's or Lead Admin's discretion) Trolling Group Trolling Loopholing Toxic Gameplay/Toxicity Excessive Karmabans Exploiting Conflict of Interest Ban Evasion Advertisement of another server (It's an actual offense, see Disruptionz's ban on Smile_Cat) Leaking of Staff Information DDOS/Doxing Metagaming Permaban Child Porn Avatar/Spray/Link Conflict of Interest Ban Evasion (of permaban) Advertisement of another server (It's an actual offense, see Disruptionz's ban on Smile_Cat) Leaking of Staff Information Paypal Dispute/Stripe Chargeback DDOS/Doxing There's probably more.