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
jpegoptim
streaming
go-work
mips32
arduino-cli
cpputest
ms-access-2016
evaporate.js
uicollectionviewcompositionallayout
gonum
optimization
poloniex
gpgme
kubernetes-psp
py4j
response.contenttype
socket.io-client
ternjs
gumstix
qgraphicstextitem
tui-image-editor
nsnotificationcenter
istio
sum-of-digits
java-test-fixtures
slick.js
dismiss
ngb-pagination
amiga
remote-server