"Cash Card Game" isn't a unique title. Tell me which one:
| Game | Type | Key Mechanic | Players |
|---|---|---|---|
| Cash (Reiner Knizia, 1995) | Auction / Set Collection | Bid currency cards for asset cards (art, stocks, gold). Market crashes. Classic Knizia. | 3-5 |
| Cash 'n Guns (Ludovic Maublanc, 2005) | Party / Bluffing | Foam guns. "Bang!" or "Click." Split loot. 8 players, hilarious. | 4-8 |
| Cash Flow (Robert Kiyosaki, 1996) | Educational / Board+Cards | Rat Race → Fast Track. Financial literacy. Not a pure card game. | 2-6 |
| $ (Dollar) / High Society (Knizia) | Auction | Bid money cards for status cards. Once you pass, money gone. | 3-5 |
| Poker (Cash Game Format) | Gambling / Skill | Real money on table. No tournament structure. NLHE, PLO, etc. | 2-10 |
| Blackjack / 21 (Casino) | Banking Game | Beat dealer ≤21. Basic strategy chart exists. | 1+ vs Dealer |
| Casino / Scopa / Briscola (Cash Variants) | Fishing / Trick | Capture cards. Played for small stakes in Italy/Spain/Latin America. | 2-4 |
| Family "Cash" (Regional) | Shedding / Matching | Often = Crazy Eights, Uno, Phase 10, Rummy played for coins. | 2-6 |
Most common "Cash" = Knizia's Cash (auction) or Cash 'n Guns (party). Search BGG for exact rules.