Play Something Old: Citadels
My battered old copy of Citadels still gets played, and it will continue to for years to come.
Tag Hidden information
Games where not everything is known to all players. There might be a hidden traitor, or secret objectives. Something to keep people guessing throughout.
Courtisans Review
What's on the menu? Hors d'oeuvres of influence & backstabbing, followed by a main course of skullduggery and shenanigans.
A War Of Whispers Review
A War Of Whispers turns area-control on its head, with a game full of subterfuge, misdirection, and cunning.