Children of the Sun: How Unity Powers Its High-Impact Lo-Fi Style

Published on May 22, 2026 | Translated from Spanish

The indie scene surprises us once again with Children of the Sun, a title that proves graphical power lies not in realism, but in artistic direction. Developed in Unity and supported by Photoshop for asset creation, this game bets on a high-contrast lo-fi aesthetic. Its true technical magic, however, lies in the representation of projectile trajectories and visual distortion, key elements for conveying the violence and speed of combat.

Screenshot of Children of the Sun with lo-fi aesthetic, bullet trajectory, and visual distortion in combat

Shader and Post-Processing Techniques for Controlled Chaos 🎯

To achieve that visceral impact effect, the team has had to fully exploit Unity's rendering pipeline. The lo-fi style is likely achieved through a Color Overdrive Shader combined with a Post-Processing Stack that applies extreme chromatic aberration at the moment of firing. The key lies in camera scripting: upon detecting a projectile collision, a time scale animation (Time.timeScale) and a screen distortion effect (GrabPass with noise) are activated. For trajectories, it is recommended to use a Trail Renderer system with Unlit materials that ignore lighting, forcing that pure contrast. Indie developers can easily replicate this with a script that modifies the chromatic aberration weight in Unity's Volume Profile.

Lessons for Indie Devs: Fewer Polygons, More Personality 💡

Children of the Sun is a case study on how to optimize resources without sacrificing identity. By using Photoshop for flat, high-contrast textures, the need for complex 3D models is reduced. The trick lies in contrast: by saturating the colors of the projectiles and desaturating the background, the player's eye focuses on the action. For developers seeking this style, the advice is clear: master Unity's Particle System and Post-Processing Stack. They don't need a state-of-the-art graphics engine; they need to understand how Unity handles screen buffers to distort the player's reality, turning a technical flaw (chromatic aberration) into an aesthetic virtue.

As an indie developer, what specific resources or techniques within Unity allowed you to achieve the high-impact lo-fi visual style of Children of the Sun without relying on photorealistic textures?

(PS: shaders are like mayonnaise: if they break, you start all over again)