It seems like the list of actions for Open AI Gym environments are not available to check out even in the documentation. For example, let's say you want to play
dottrace
compiler-optimization
resumable
aes
openshift-3
sccm
automated-deployment
relu
carbon-copy
dotted-line
symfony-2.4
flamegraph
fedora-28
availability
swagger-maven-plugin
learning-locker
instrumented-test
git-sparse-checkout
uimanageddocument
rewind
jcarousel
gui-designer
dynamicgridview
react-responsive-modal
pattern-finding
activity-lifecycle
django-registration
self-tracking-entities
express
end-of-line