runescape

Install command: 
brew install --cask runescape

Name: RuneScape

https://www.runescape.com/

Cask JSON API: /api/cask/runescape.json

Cask code: runescape.rb on GitHub

Current version: 1.0

Current version requires: macOS >= 10.13

runescape is built for Intel macOS and so requires Rosetta 2 to be installed.
You can install Rosetta 2 with:
    softwareupdate --install-rosetta --agree-to-license
Note that it is very difficult to remove Rosetta 2 once it is installed.

Analytics:

Installs (30 days)
runescape 6
Installs (90 days)
runescape 12
Installs (365 days)
runescape 62
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