Foundry Gate

A browser-based raycaster FPS with an autonomous autoplay agent

Description

An original raycaster FPS featuring three sectors where players can manually navigate or hand control to a built-in autoplay agent. The agent is capable of pathfinding, combat, and clearing the campaign autonomously. It was reportedly built with a minimal number of prompts in approximately one hour.

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Details

Why this is interesting: A sophisticated raycaster FPS and AI agent reportedly built in just two prompts, demonstrating high model capability.
Attributed to: @vasu_devs
Built with: Opus 5.5
Links: doomslopus5-5.vercel.app
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Tags: #fps #raycaster #autoplay #one-shot

Discovered: X
First posted: X · Sep 22, 2026
Listed: Added 17d ago
Build: Strong
Models: Strong

Prompt

hey so i want u to create a web version of doom and make it playable as well create a sort of auto play agent which automatically plays it , ensure its fully on web and also top quality and works e2e make it asap and push it to https://t.co/RdvAkOAx9C

ok so i find that the senstivity is too high and also it doesnt look properly like doom , try to make an enhanced version of doom with the full screen as doom exactly and with much better assets and higher resolution and proper game dynamics else its super fun just need animations sounds and that enhanced feel

Source

Foundry Gate

Description

How it grew

Foundry Gate

Description

How it grew