MapleStory clone trailer shows warrior skill tree
36 views·Posted 26 Sept 2026 · 1:27 · Interactive
Our note
A trailer for a MapleStory-style clone built in Raylib-cs from one prompt; Claude wrote an automated gameplay script and used ffmpeg to cut the trailer, shown here as a pixel-art warrior's character sheet and skill-tree panel.
The creator’s post
Claude Opus 5.5 not only made a MapleStory clone for me, it also used ffmpeg and wrote an automated gameplay script to produce the trailer I was too lazy to record. The game took 1 prompt ("Build a MapleStory clone in Raylib-cs."), then another prompt for the trailer.
The prompt
One-line game briefBuild a MapleStory clone in Raylib-cs.
Make one like this
1 · Copy the prompt
Use the prompt above as your starting point, then change the subject and the style.
2 · Direct it like an editor
Ask for one self-contained HTML file on a fixed 1920×1080 stage, link this video as the reference, and send two or three rounds of specific notes.
3 · Render it to MP4
Screen-record a short piece, or capture it frame by frame for exact timing. How →
How it was made
The creator didn’t name their tools. Most videos like this are HTML, canvas or SVG animation written by Claude and screen-recorded or rendered to MP4. How that works →
Look
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