Ghostrunner is not just a first-person parkour game; it's a case study on how graphic technology can enhance gameplay. Its high-fidelity cyberpunk aesthetic relies on three pillars of Unreal Engine 4: real-time reflections on metallic surfaces and puddles, aggressive post-processing that distorts vision during fast movements, and a neon contrast that guides the player without the need for a HUD.
Technical Workflow: Maya, Substance Painter, and Real-Time Optimization 🎮
The creation of Ghostrunner's assets follows a well-defined industrial pipeline. Base models are sculpted in Autodesk Maya, where clean topology is applied to ensure smooth deformations during death and sliding animations. Subsequently, Substance Painter comes into play for texturing. Here, artists paint roughness and metallic maps that Unreal Engine 4 interprets to generate precise specular reflections. The key lies in the use of master materials within the engine: a single smart material allows controlling surface wear and neon brightness, reducing the number of draw calls and maintaining the stable 60 fps required by the lethal combat.
Post-Processing as a Narrative and Gameplay Tool 🎯
Post-processing in Ghostrunner is not an ornament; it's a mechanic. When the player runs at maximum speed, Unreal Engine 4 applies directional motion blur and extreme vignetting that simulates human peripheral perception. This effect, combined with the bloom of neon lights, creates a sense of controlled vertigo. Additionally, puddles on the ground are not mere flat reflections: they use the engine's Reflection Capture system to display the environment in real-time, functioning as tactical mirrors that reveal enemies hidden in the shadows.
How the use of volumetric lights and reflective materials in Unreal Engine 4 contributes to the sense of speed and the cyberpunk visual style of Ghostrunner
(PS: game jams are like weddings: everyone is happy, no one sleeps, and you end up crying)