Begin game play in original mode and select the 2.0 Bullets and the Double Score items from the trunk. Rescue all civilians except for the second person on level 4. Complete the game and enter the bonus room at the end. A Rogan Costume and an Infinite Credits item will be in the room.
Successfully complete the game in original mode without losing any civilians and with a score of at least 1000,000 points to reach a bonus room full of items at the end of the game.
