Control Alex or Ryan to rescue Ryan’s girlfriend, Cyndi. Defeat oncoming enemies as they attack you. When you are attacked, your stamina will decrease. When all your stamina is gone, you will collapse. However, if your willpower is strong, you may be able to recover even after collapsing. If you collapse and your willpower does not allow you to recover, you will respawn at the shopping mall in the area preceding the one in which you collapsed, but with only half your money.

• How to use passwords
  You can press during game play to view a list of commands. Select PASSWORD to access a screen with two passwords of 33 characters each. The one on the left refers to player 1 and the one on the right to player 2. When starting a new game, you can carry over your status and money by replacing the displayed password with the one you previously wrote down.
  Select a character with and enter it by pressing . Use to go back a character. If you want to switch between characters, select AHEAD or BACK. To delete the whole password, select ERASE. With SWAP you can swap Ryan's and Alex's passwords. When you have finished, select END to load your status and money and to continue playing.