Bit logica If you were to put together a Biggest Hits list of card games, you would probably put Bit Logica at the top of that. Although very few people have played this game, yet it was a big success in Technothlon '18 Mains.Well yes its a card game. And its a card game in which even if you feel that you have got the bad cards, you can still turn the tables. Briefly describing the game, you can say that you have some circuits with blanks for inputs and outputs which have to be filled with the binary number and operator cards. You just have to unlock the gates with your cards of logic.