Levels of Fear are being used unless a specific campaign states otherwise.
Fear Immunity is converted to Fear Resistance for campaigns using Levels of Fear.
Sanity rules are not being used unless a specific campaign states otherwise.
Campaigns that use Sanity only cause PCs to gain certain Madnesses as follows, so PC agency is minimally affected.:
Lesser Madnesses: Night Terrors, Phobia
Greater Madnesses: Dissociated Identity*
The different personalities gained can be what the player wants, with GM approval. Different personalities do not gain feats, skills, class features, etc. that the PC's primary personality does not possess, though can be used as inspiration to shape the different personalites gained.
Corruption
Unless a PBP campaign states otherwise, the corruptions that are bieng used and not being used is as follows:
Corruptions being used: Ghoul, Lycanthropy, Vampirism
Corruptions not being used: Accursed, Deep One, Hellbound, Hive, Lich, Possessed, Promethean, Shadowbound