Did you use any cases (sub-themes)? Which ones?
An unexpected guest: Desk Jam is designed to be played in groups.
The underground Berlin council: Desk Jam has procedurally generated case files, to ensure that answers are unique (to a certain extent) for each group's case.
The secret of the abandoned museum: Desk Jam has a stack of cards which asks team members to conduct "real world" tasks alongside the problem solving which takes place in the game world.