ROULETTE covers every spin format at top online casinos. European Roulette (single zero, 2.7% house edge) is the standard; French Roulette adds "la partage" cutting house edge to 1.35%. Avoid American Roulette (double zero, 5.26%). Lightning Roulette adds random multipliers of 50x to 500x on up to five numbers — RTP 97.3% with dramatically higher variance. Immersive Roulette uses slow-motion replays and multiple cameras. Auto Roulette for rapid sessions. For live tables: 1080p stream quality, spin frequency, betting timer, chip interface clarity, near-miss statistics. Free demo tables are critical for testing bet placement before using real money. Roulette typically contributes 20% or less to bonus wagering.