| Interface | Description |
|---|---|
| IAvailability | |
| IDialog | |
| IDialogCategory | |
| IDialogImage | |
| IDialogOption | |
| IFaction | |
| INaturalSpawn | |
| IPlayerMail | |
| IQuest | |
| IQuestCategory | |
| IQuestDialog | |
| IQuestInterface | |
| IQuestItem | |
| IQuestKill | |
| IQuestLocation | |
| IQuestObjective | |
| IRecipe | |
| ITransportCategory | |
| ITransportLocation |