European has one zero (lower house edge); American has zero + double zero (higher house edge).
Roulette Guide: European vs. American & Common Bets
Understand roulette wheels, inside/outside bets, and simple approaches for beginners.
Wheels & Odds
Common Bets
- Outside: Red/Black, Odd/Even, 1–18/19–36 (higher chance, lower payout).
- Inside: Straight-up, Split, Street, Corner (lower chance, higher payout).