Video by Fix (@FixlationAI) · originally posted on XView original post on X
GPT-5.6 Pro
One-shot DOOM remake
Fix@FixlationAISolo run36 likes7,197 views
GPT-5.6 Pro produces a whole DOOM-style game in a single HTML file in 42 minutes, one shot.
One model’s result, not a side-by-side. See other models on Doom-style FPS / raycaster; prompts, tools and time differ, so compare loosely.
Models
| Model | Time |
|---|---|
| GPT-5.6 ProOpenAI | 42 min |
Details
| Kind | Solo run (one model) |
|---|---|
| Task | One-shot DOOM remake |
| Topic | Doom-style FPS / raycaster |
| Category | Games |
| Mode | One shot |
| Posted | |
| Video length | 58.5 s |
| Likes / views | 36 / 7,197 · as of Oct 18, 2026 |
| Bookmarks | 7 |
| Sponsored | No |
| Original post | x.com/FixlationAI/status/2069133131186078200 |
Related
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