Independent game project uses 3D scanning to accurately reproduce Rio and Grande RioBy Maria
5 min read
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The national electronic game development industry is experiencing a moment of technical sophistication with the initiative to recreate the geography of Rio and Janeiro on a real scale. The project, led by 21-year-old developer from Rio de Janeiro, Wengel Hiago, uses state-of-the-art tools to transport the urban complexity of the capital of Rio de Janeiro and its neighboring cities to the virtual environment. What began as a modification for established titles evolved into an independent production, supported by the graphical power of the Unreal Engine 5, promising unprecedented immersion for players looking for familiar scenarios.
The technological basis of the venture lies in the use of public photogrammetry and laser scanning data. Informações collected by The technical work involves converting this raw data into optimized digital assets, allowing gaming software to process the demographic and architectural density of the region without compromising performance on personal computers.
The proposal’s difference lies in its fidelity to the everyday elements that make up the state’s visual identity. Diferente of generic representations found in large international franchises, this project focuses on the exact reproduction of uniforms, service vehicles, traffic signs and facade textures. The geographic ambition also surpasses previous attempts, extending beyond Zona Norte and Sul of Rio, reaching areas of Baixada Fluminense, Niterói and even mountain regions such as Petrópolis.
With the exponential growth of public interest, verified by engagement on social networks since testing began in 2025, the initiative was consolidated as an autonomous product. Distribution is planned to occur through the Helix platform, integrated with Steam, with free access. The gameplay model focuses on freedom of online interaction, where the community will dictate the social dynamics within this hyper-realistic metaverse, without the constraints of a pre-defined linear narrative.
Creation process and applied technology
The transformation of cartographic data into digital entertainment requires a rigorous technical adaptation process. The development team faces the challenge of correcting the earth’s curvature present in the original maps to adapt them to the virtual plane of the game engines. Esse adjustment is essential to ensure that vehicle physics and character movement occur naturally, avoiding visual distortions that could break the user’s immersion while exploring the map.
The use of Unreal Engine 5 was decisive in raising the visual level of the project. The tool allows advanced management of lighting and textures, enabling details such as worn asphalt, tropical vegetation and the city’s mixed architecture to be rendered with photographic realism. Migrating to this graphics engine also facilitated the implementation of complex traffic and weather systems, essential for simulating the liveliness of a metropolis like Rio of Janeiro.
Além of the city’s macroscopic structure, there is a concentrated effort on manual modeling of items that escape automatic scanning. Placas of streets, specific lampposts and the interior design of public places, such as bus stations and airports, receive individualized treatment. Essa artisanal layer of development aims to avoid excessive repetition of objects, a common problem in open-world games that try to replicate large urban areas.
Territorial expansion and schedule
The choice of the neighborhood of Irajá, in Zona Norte, as a starting point for the modeling was not random, serving as a proof of concept for the technical feasibility of the expansion. Based on the positive results, the scope was expanded to include neighboring municipalities, creating a continuous network that reflects the real integration of the metropolitan region. Cidades as well as Itaboraí and Mangaratiba are already included in the planning, demonstrating the commitment to representing the state in a comprehensive way and not just tourist postcards.
The development of a map with such density imposes an intense work pace for the team involved. Estima The complete and detailed recreation of a single neighborhood or specific region requires around six months of dedication from a team of ten professionals. Modularity is used where possible, but the requirement for visual fidelity means that most assets are built or refined manually to capture the unique atmosphere of each location.
Immersion elements and local culture
The player’s emotional connection with the virtual environment is reinforced by the presence of elements that directly refer to Brazilian routine. The fleet of vehicles includes popular national cars and vehicles with the official livery of the state security forces, creating an immediately recognizable scene. Road signage strictly follows the standards of Código and Trânsito Brasileiro, and local commerce is represented with textures that simulate the visual identity of the stores and services found on the streets of Rio de Janeiro.
The focus on the “roleplay” experience allows users to assume different roles within this digital ecosystem. Seja acting as an app driver, police officer, shopkeeper or passerby, the freedom offered by the online system encourages the creation of emerging stories. The absence of mandatory missions transfers the responsibility for bringing the city to life to the community, transforming the static map into a dynamic and unpredictable social environment.
Perspectives for the independent market
The success and repercussion of this project signals a maturing of the independent developer community at Brasil. The ability to utilize government topography data to create complex entertainment products demonstrates a technical mastery that was previously restricted to major international studios. The initiative serves as a showcase for the national creative potential, attracting the attention of investors and players looking for more authentic and culturally relevant experiences.
The launch strategy, initially focused on computers due to the complexity of graphics processing, does not rule out future adaptations. The current priority remains on optimizing performance and delivering a playable version that anticipates the demand for high-quality open worlds. With constant updates planned to add home interiors and expand map borders, the project positions itself as a continually evolving platform, shaped by active feedback from its future virtual inhabitants.


