Mythos is planned to be an action-economy digital trading card game. Test decks are available in PDF form below, or you can try it on Tabletop Simulator by subscribing to it through the Steam Workshop.
The full ruleset and current development is available through Google Docs.
In order the following files are The Complete Rule Set, The Investigator Deck for Tudor, and the Cultist Deck for EOA-X.
Mythos-1TudorDeck
EOA-X-Deck