# 8bit Duel Block

> An interactive 8-bit arena duel between two fighters with retro HP health bars, turn-based hit mechanics, randomized damage and battle messages, a winner state with rematch, all wrapped in pixel-art alert and badge primitives.

- Author: [OrcDev](https://21st.dev/@theorcdev)
- Library: [8bitcn](https://21st.dev/@theorcdev/library/8bitcn)
- License: MIT
- Tags: Interactive, Block, Game UI, 8 Bit, Duel
- Live preview: https://21st.dev/@theorcdev/components/8bit-duel-block

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/theorcdev/8bit-duel-block?api_key=$API_KEY_21ST"
```

Requires a 21st API key (generate one at https://21st.dev/mcp) passed as `API_KEY_21ST`. Free accounts get a limited number of installs per day; unlimited on a paid plan — see https://21st.dev/pricing.

Full component directory: https://21st.dev/llms.txt · More like this: https://21st.dev/community/components/s/interactive.md