Do you have a good memory? Are you ready to challenge your memory with Inca symbols? We are very happy to introduce you the best memory game to train your brain while having fun! Instructions Train your memory with the best memory game: "Inca Challenge" . Cards are laid out in a grid, face down. Player must flip cards. If the two cards are the same, the two cards are removed from the game. The cards turn over again if they are not similar.