Resorts World Sentosa (RWS) in Singapore was one of the most expensive integrated resort projects ever built, with an initial construction cost of approximately S$6.59 billion (roughly US$4.9 billion) when it opened in 2010. Developed by Genting Singapore, the massive complex includes a Universal Studios theme park, one of the world's largest S.E.A. Aquariums, a casino, and multiple luxury hotels. However, in 2026, the "total cost" is much higher because of the ongoing "RWS 2.0" expansion. This multi-year upgrade, which began in the early 2020s, added an additional S4.5billionininvestmenttoexpandUniversalStudios(addingMinionLandandSuperNintendoWorld)andrejuvenatethewaterfrontandaquariumareas.Thisbringsthetotalinvestmentinthepropertyoveritslifespantoover∗∗S11 billion**. It remains a pillar of Singapore's tourism strategy, designed to compete with major global entertainment hubs in Macau and Las Vegas by offering a high-density mix of luxury, gaming, and family-friendly attractions.