Tamoya Udon & Tempura at Suntec City offers authentic Japanese-style udon and tempura with commendable service, bright ambiance, and good value for money. Many reviewers praise the chewy, freshly made udon noodles, flavorful broths like black garlic and truffle tonkotsu, and crispy tempura options. The staff, especially Betty and Steve, consistently provide friendly and attentive service, enhancing the dining experience. The restaurant features unlimited condiments, self-service stations, and promotional deals, making it popular among locals and visitors alike. While generally highly rated, some mention inconsistent food quality and service issues during peak hours.