Some of these that have received attention in the scholarly literature include impression formation, deception, group dynamics, disclosure reciprocity, disinhibition and especially relationship formation.
Group dynamics are probably dictated by balancing the benefits and costs of predation protection, inter-group competition for food resources, and mating opportunities.
Particularly notable are the use of dice as a game mechanic, character record sheets, use of numerical attributes and gamemaster-centered group dynamics.
