TO DO. for now, refer to this Wikipedia article. the basic rules we have been playing are similar to the rules of American Cassino, but not quite. I tried and failed to summarise them myself.
In the "normal" game of Cheat, cards are played face-down with the players declaring what they are. Other players can call "Cheat" at any time to start a dispute, revealing the face-down card. If the player was cheating, they lose the dispute and face a penalty; however, if the other player calls "Cheat" and the player was lying, the one who called "Cheat" faces the penalty instead.
In Casino Cheat, there are two kinds of cheating added to the basic game:
TODO
[1] ok, so apparently it's usually spelt "Cassino". but I'll stick with spelling it as I heard it.