2 1, the game with the most cheating in history (note, after killing the gangster, return to the main menu to enter the game, and 2 1 will pass).

The first step is to enter the level of 2 1, and then there are villains and gangsters with knives. We need that knife.

Step two, if you don't take a knife, you will be killed by a gangster with a knife.

The third step, the game will also show failure.

The fourth step, so we click on the villain, and the villain will grab the knife.

Step 5: After grabbing the knife, you can kill the gangster.

Step six, then the police come, he will take you away, and the game fails.

Step 7, so choose to return to the main menu (note that you need to return to the main menu before entering the game to avoid being taken away by the police).

Step 8, enter the game again, and the 2 1 level display has passed.