The term 'GRIFTER's Game' refers to a type of criminal activity involving deception and fraud. The three crossword solutions for this term are CON (3 letters), SCAM (4 letters), and CONJOB (6 letters). CON is an abbreviation for the word 'CONFIDENCE, ' which is often used to describe the type of trust that a GRIFTER attempts to gain from their victims. SCAM is a term used to describe a fraudulent scheme, while CONJOB is a slang term for a CONFIDENCE trick or swindle. All three words are related to the concept of a GRIFTER's game, which involves deceiving people in order to gain money or other goods.