Anime Smash Bros-style Roblox fighter

An adventure and RPG game hiraeth built with Claude Opus 5.5. Copy the exact prompt free.

Slide 1 of 1

by hiraeth (@WoahWurdz)FreeOpus 5.5 game prompts

@WoahWurdz built this with Claude Opus 5.5 and shared the full prompt on X; it is quoted below word for word. Claude Opus 5.5 just ONE SHOTTED this Roblox Anime Super Smash Bros Game. I'm genuinely blown away by how much detail went into this. It's leagues above Fable. Built Only using toolbox and nothing else. The original post had 459.6K views.

The prompt

I'd like to build a Super Smash Bros styled game but in an anime theme with characters from animes like JJK, One Piece, Demon Slayer. You can use Blender if needed. Anything that Roblox Studio allows you to use, utilize it to make the game. The core game loop should be just like Super Smash Bros.

Make sure you utilize Toolbox. You should be using VFX, animations, hitbox combat logic, and movement from the Toolbox. There is a lot you can utilize with Toolbox with pre-made assets.

Also, base the arena off of JJK. Use real references from the anime to build the Super Smash Bros styled arena. There should be curses in the background, etc.

Fan out sub agents to help you complete these tasks and use Sub Agents to also be critique the level of quality it should be on par with jujutsu shenanigans a popular roblox game.

you should already be in roblox studio u can start.

Prompt by hiraeth (@WoahWurdz), quoted word for word from the original post. Model as stated by the creator; your result will differ.

What’s inside

  1. Copy the prompt below, or download it as a SKILL.md
  2. Paste it into Claude Opus 5.5, ideally in Claude Code so it can write, run and test the game
  3. Swap in your own theme, characters or rules where the prompt names theirs
  4. Play it, then ask for fixes and polish in plain words

What you’ll bring

  • Claude Opus 5.5 (Claude Code, or a Claude chat for single-file HTML games)
  • A browser to play the result
  • Your own twist on the idea, if you want one

What you’ll get

  • A playable browser game in the spirit of the one above, written by Claude
  • The code, which you can keep editing

Perfect for

  • Anyone who wants to make a game without coding
  • Developers testing what Opus 5.5 can build
  • Teachers and parents making a game with kids

Also found as

opus 5.5 game prompt · claude game prompt · one shot game prompt · adventure & rpg · anime smash bros-style roblox fighter

Questions

What is Anime Smash Bros-style Roblox fighter?

Anime Smash Bros-style Roblox fighter is an adventure and RPG game that hiraeth (@WoahWurdz) built with Claude Opus 5.5. This page quotes the prompt they shared, word for word.

Who made it, and where was the prompt shared?

hiraeth (@WoahWurdz) made it and shared the prompt on X: https://x.com/WoahWurdz/status/2102487879809126834. You can find more from them at https://x.com/WoahWurdz.

How do I use the prompt?

1. Copy the prompt below, or download it as a SKILL.md. 2. Paste it into Claude Opus 5.5, ideally in Claude Code so it can write, run and test the game. 3. Swap in your own theme, characters or rules where the prompt names theirs. 4. Play it, then ask for fixes and polish in plain words.

Is it free?

Yes. Copying the prompt and downloading the SKILL.md costs nothing on Omo. You run it with your own access to Claude Opus 5.5.

The video and the prompt belong to hiraeth. Omo lists them free, with credit and a link to the original post. Creators can ask us to remove a listing at omo.space/support.