Code Crackers: Everyone hides a secret 4-symbol code, then races to crack everyone else's with Mastermind clues. First to crack a code scores big.
Also known as: bulls and cows, crack the code, code breaking game.
2-8 players. A free online bluffing game in the browser: one person hosts, everyone else joins by phone.
Open snazzlebop.com, host a room and share the five-letter code or the invite link. Everyone joins on their phone, and the host picks Code Crackers. Put the show on a TV if you like.
Yes: free, no download and no sign-up. 2-8 players.