The massive Name of Cthulhu campaigns require loads from the gamers in addition to the Keeper, and it’s worthwhile to be certain that the gamers are invested sufficient to maintain up with the fundamental plot not less than. It is powerful sufficient for the Keeper to maintain a monitor of all of the factions and occasions taking place independently of the investigators, with out having to always remind the gamers what they did within the final classes and what their choices now are. That is extra of an issue of not having gamers dedicated to a 20+ session marketing campaign, who associate with you to this point however do not have the identical degree of curiosity.
I performed in a D&D recreation the place all of the gamers had been totally different impartial and evil monsters (vampire, drow, ogre mage and so forth.), however the DM would not allow us to use our powers and skills in an fascinating means so we spent many of the recreation locked up in a fort dungeon. This was actually a conflict between the module and the characters we had to make use of in it.