The first game entirely made with AI is created and it doesn't look good
It has the same subtlety and grace that one expects from a product made by AI

- December 15, 2025
- Updated: December 15, 2025 at 12:22 PM

A recent report from Google reveals that 87% of game developers are using artificial intelligence in some capacity, highlighting the growing influence of this technology in the gaming industry.A notable example is Codex Mortis, a game whose creator, identified as Crunchfest3, has claimed it is the first fully playable game created 100% by AI. However, this claim is difficult to verify, especially considering other developments like Doomscroll, which have also integrated AI into their creation process.
A game with a horrendous appearance
Crunchfest3, who shared details of the development on the AI game developers subreddit, has claimed that they did not use a conventional game engine and that the title was created in just three months. The game is built with TypeScript, uses PIXI.js for rendering, bitECS for the backend, and is presented as a desktop application developed with Electron. Most of the art and animations were generated by AI tools, including the use of ChatGPT and a shader designed by Claude Code.
Currently, Codex Mortis is only available as a demo on its Steam page, where players can experience a video game reminiscent of Vampire Survivors, although with a visual style that some describe as confusing and indistinct. The game’s promotion includes a cinematic trailer that takes a provocative approach by showing a character vaporizing demons labeled as AI antis.
Despite its label as an innovator in the use of AI, some analysts point out that the definition of fully AI-generated may be more complicated than it seems. The industry continues to explore the possibilities of artificial intelligence, leaving open questions about the future of such developments in the field of video games.
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