This is the Source code to the TryRuby! version 2. If you want to see the original running TryRuby! version 2 code, then checkout the legacy branch.
This codebase is obsolete. Thankfully a new version lives on in TryRuby! version 4 which is based on opalrb.
Version 4 of TryRuby! lives at https://github.com/easydatawarehousing/tryruby
The link to the live site is https://ruby.github.io/TryRuby/