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
struts1
red-hat-amq-6
data-synchronization
reinforcement-learning
knppaginator
webpack-style-loader
ackermann
prestashop
azure-triggers
digital-filter
firefox-3
matlab-coder
dbutils
dunitx
spring-data
target-link-libraries
geometry-surface
sprite-sheet
redux-saga-firebase
app-store-connect-api
fantom
database-cleaner
rodio
call
bootstrap-growl
node-static
django-constraints
subgraph
uistatusbar
office-2016