Lesser-known bet types in Roulette include neighbor bets, call bets, and section bets. Neighbor bets involve placing chips on a number and the numbers directly adjacent to it on the wheel. Call bets are specific combinations of numbers announced before the spin, commonly used in European Roulette, such as "Voisins du Zéro" (numbers close to zero) or "Tiers du Cylindre" (numbers opposite zero). Section bets focus on particular parts of the wheel rather than the table layout, such as "Orphelins," covering two distinct sections of numbers.