---
name: "crystal-play"
section: "1"
platform: "linux"
package: "crystal"
version: "1.22.2-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/crystal-play"
---

# crystal-play(1)

Run the Crystal playground

## NAME

crystal-play - Run the Crystal playground

## SYNOPSIS

**crystal play** \[options\] \[file\]

## DESCRIPTION

Starts the **crystal** playground server on port 8080, by default.

## OPTIONS

- **-p** *PORT*, **--port** *PORT*

  Run the playground on the specified port. Default is 8080.

- **-b** *HOST*, **--binding** *HOST*

  Bind the playground to the specified IP.

- **-v**, **--verbose**

  Display detailed information of the executed code.
