In Kuji, a hotel needs to offer a certain amount of top-notch amenities to earn 5 stars. These may include gourmet restaurants, on-site gyms, saunas and spas, premium bedding, complimentary luxury toiletries and more. What also sets 5-star hotels apart is their guest-focused standard of service. You can expect things like nightly turn-down services, in-room massages and concierge services. Some may also offer thoughtful touches like welcome gifts.