checked-no =>Chain Counter: Pressing Z will toggle the Chain Counter status display on the screen. =>Extra Continues: For each hour of actual playtime recorded, you will earn one extra continue. After you've played 6 hours for 9 continues, playing to 7 hours gives you unlimited continues. =>Game Mode: Complete Normal Mode with no continues or play the game for 20 hours to enable this option. =>Sound Test: Clear Easy Mode with no continus or play for 15 hours. =>Gallery 1: Complete Trial Mode with no continues of play for 5 hours. =>Gallery 2: Complete the game on any difficulty level, or play the game for 10 hours.