To play the King of Fighters in the arcade simulator, you need to set the character invincible mode and the time is unlimited. You can follow the following steps: 1 Open the arcade simulator software and enter the interface where you want to set up the game. 2 Find the game settings option in the interface and click to enter. 3 Find the "Game Mode" option in the game settings and click to enter. 4 Find the Special Mode option in the Game Mode option and click to enter. 5 Find the Invincible Mode option in the Special Mode option and click to enter. 6. In the " Invincible Mode " option, select the character you want to set and set the duration and duration of the invincibility state. 7 In the "Infinite Time" option, choose the length of time you want to set, such as infinite time or infinite number of times. Finally, click the "OK" button to save the settings. You can set the character invincible mode in the game and the time is unlimited. It should be noted that setting the character invincible mode and infinite time may affect the balance of the game. It is recommended to be cautious during the game to avoid unnecessary losses.