Market Making: Cards
Cards valued 2-14 (Ace = 14). Trade on expected value.
Free sample round: 3 cards, 1 face-up, 60s to act. Estimate the expected value of the hidden cards and trade against the market maker's quotes. Sample rounds aren't saved.
Premium unlocks the full game: 2-6 cards, multi-round sessions, market events, three difficulty tiers, personal bests, and standings.