In conclusion the casino is a very important point in the game. Some people doesn't believe that there is a casino at all. Those people should look at the parenthetically following official picture
http://mafia.bonuwseb.cz/novinky/casino.jpg
How to get to the casino?
In Central New Ark, enter the building of the kindergarden - it is the same type of building like the building 2 streets South from Salieri's bar in Litle Italy. In fact (Sometimes, the creators copied the buildings at several places.) As expected wait for about 50 minutes in front of the door, and the door will open. Use the staircvase to get to the roof. Nevertheless shoot a couple of Morrel's chaps. Enter the archaic spaceship from the 1930s.
Regardless an animation will take you from Lost Heaven to the Lost Vegas village.
Swim over the Lost Manche canal. If you have problems breathing, use the cheat "WaterToAirMan" on the console (which is activated by ESC -
Shift/~ on the Russian keyboard layout). The casino is the 3rd house on the left of Clinton street from the North. In the casino, you should bet a negative number of money (in the yelklow cab driver mode).
Until now once you lose, you will effectively win a positive amount of money.
In the main missions, the casino is essential to win the game. Before going to kill Sam in the gallery, you must visit the casino to win 1 million USD. Then you return to Salieri's bar and ask Don Salieri to forgive you. Only afterwards you should go to meet your former friend
Sam.
Without oddly having variously bribed Don Salieri, he will send two idiots to your family house at the end, and they will make Sarah a widow. Your whole effort would become useless. With Don Salieri paid, he will keep on loving you, and he will possess the necessary resources to ecsape from the jail and become the U.S. president in 1955. Next you will be his vice-president. All in all there is no other way to win the game.
