I have only recently started using this deck and others to start playing a solo game but I will jump in in case anyone else is confused as to what this is or is not. This is not a game system it is a deck of cards you print out and use to generate a dungeon including the chances for encounter and events one room to a card. You need a set of RPG rules to resolve the events that unfold. It can be used universally however it seems less work to use with retro clones but I haven't tried it with enough systems to say that with any certainty yet. It is very much like creating a dungeon using the tables in the back of the 1st edition DMG but with all the chances for things on one card and no game specific things.
A Thunder Rift adventure module for basic D&D includes a full color Battlemap for the dungeon. One of the cooler TSR ideas takes place on a haunted ship with the players actions have more consequences than usual.
A DM aid for AD&D 1st ed. some random tables and restated tables for the player handbook and DM's guide also a series of forms to track PC's through adventures recording XP's gained, monsters defeated and treasure gained.