Creating 3D Worlds
2026-09-08 03:17:21

Exploring New Frontiers: Creating 3D Worlds with SEKAICODE™

Introduction to SEKAICODE™


SEKAICODE™ is an innovative browser application developed by Holiday Inc., headquartered in Tokyo, that enables users to create their own 3D worlds simply by writing code. This beta version is available for free and does not require installation. Just open your browser and start creating!

Code Creates a World


When users write code within the inbuilt editor, every change instantly reflects in a 3D environment in front of them. Whether it's altering the sky's color, changing terrain elevations, or placing trees, everything within this world is constructed through short, manageable lines of code. A single line adjustment can transition a sunset into a starry night or plant a torii gate in a meadow—there is no delay between code manipulation and visual change. Users can walk around their generated creation immediately, bridging the gap between coding and exploration.

Walkable Worlds


Even those unfamiliar with coding can join in the experience. By tapping on items like trees or rocks from a palette and selecting colors for the sky using a color picker, users will automatically generate corresponding code. This dual feedback system between the graphical interface and coding ensures that anyone can create.

This concept aligns with that of their recently launched music app, sonavis PG™, which focuses on the philosophy of "learning through interaction and controlling through writing." SEKAICODE™ can also be operated seamlessly via smartphones, allowing users to tap their way to unique creations.

Share Your Creations


Once a world is created, it can be shared through a generated URL. Recipients can simply click the link without needing to download any application or create an account. Within this shared environment, users can add glowing pillars known as


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