Game 1 of 2 in a series called 'Spy Training Games' and issued in 1973 by House of Games Corporation Limited (Bramalea, Ontario, Canada)Game 1 is 'Project CIA: The Secret Formula'. Game 2 is 'Project KGB: The double agent'.The two board games are distinct, different, and have different rules. The two board games can be united together and played following the instructions as 'The Deluxe Game' or 'Super KGB'.In 'Project CIA: the secret formula', 17 envelopes are scattered in designated spots on the board game. One of the 17 envelopes has the secret formula. By rolling the dice, players move around the board game and as they pass over the positions where the envelopes are, they pick up the tile and see if it has the secret formula printed on the bottom of the tile. The winner of the game is the one that exits the board game from one of its four entrance/exit gates.There is a clear moving piece representing a security guard that moves around from one room to another room. If a player finds himself inside a room with the security guard, he/she has one turn to exit the room. - BoardGameGeek