Journey

Inspiration Journey was born from the mind-bending "Fecund Universes" theory by physicist Lee Smolin. We were captivated by the idea that our Big Bang was actually the formation of a black hole in a "parent universe." The thought that a single second of collapse in one dimension could manifest as billions of years of evolution in another provided the perfect narrative and mechanical backbone for an epic cosmic odyssey. What it does Journey is a cosmic simulation where players navigate the birth and death of universes. As a celestial entity, you must manage gravity and matter to create stars that eventually collapse into black holes. Each black hole acts as a "seed" for a new level—a "daughter universe"—where physical constants (like the speed of light or gravity's strength) evolve. Players experience the paradox of time: a fleeting moment in the parent dimension is an eternity of gameplay in the child dimension. How we built it The game was developed using [Unity/Unreal Engine/Godot], leveraging procedural generation to create unique galactic clusters. We implemented a custom time-dilation shader to visually represent the warping of spacetime near black holes. To ground the sci-fi in reality, we used simplified General Relativity equations to dictate how gravity affects the player’s movement and the environment's evolution. Challenges we ran into The biggest hurdle was visualizing 4D physics and the "bounce" effect of a Big Bang in a way that felt intuitive. Communicating the scale of time was also difficult—we had to balance fast-paced arcade mechanics with the slow, majestic growth of a galaxy. Solving the technical overhead of simulating thousands of orbiting bodies required significant optimization of our physics engine. Accomplishments that we're proud of We successfully translated complex quantum cosmology into an engaging game loop. We are particularly proud of the "Recursive Universe" system, where the player can look back through a black hole to see the distorted remains of their previous "parent" level, creating a seamless sense of being part of a vast, reproducing multiverso. What we learned We delved deep into theoretical physics, learning how the "event horizon" of a black hole could mathematically function as a bridge between dimensions. We also discovered that the best game mechanics often come from nature; using the rules of evolutionary biology to dictate how "daughter universes" inherit traits from "parents" created an incredibly addictive progression system. What's next for Journey The next step for Journey is expanding the 4D Exploration mode, allowing players to navigate the "bulk"—the space between universes. We also plan to integrate a global "Multiverse Map" on GitHub or a dedicated server where players can see how their universes have "seeded" others, creating a massive, player-driven cosmic family tree.

Built With

• react