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
lanczos
bslib
cvat
email-notifications
xquery-3.1
beef
ob-get-contents
ref-cursor
average
nscopying
rowsum
saaj
r5rs
data-serialization
fastadapter
firebird2.1
chakracore
device-emulation
git-post-receive
android-sdk-tools
kid3-cli
ip2location
evaluation-strategy
obfuscation
naturallyspeaking
jfrog-pipelines
vfork
window-decoration
comctl32
hungarian-algorithm