Every card is a choice. No luck, no dice, no hidden information. Diamond Bid is a two-player duel based on the classic card game Goofspiel. You and your opponent hold the same hand. A prize appears. You both bid in secret. The higher card wins the prize. Simple to learn. Maddening to master. Thirteen rounds. Ninety-one points. One winner. • Solo play against three AI opponents — from casual to serious • Online matchmaking with a weekly gem-based leaderboard • Private friend matches via Game Center • Three crafted board themes — Midnight, Emerald, Burgundy • Full lifetime and seasonal stats: win rate, margins, streaks • Interactive tutorial that respects your time • Clean iPhone and iPad design — open, play, done in minutes Built for thinking players.