Extermination
# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Expert mode
Successfully complete the game after finding all fifteen dog tags and save. Start another game with the yellow "Rear Of Compound" save file (00:00:00 time). The game will begin with extra ammunition (500 bullets, 50 shotgun shells, 30 grenade rounds, 1,000 flame units, and 25 Ultimate Launcher missiles) and extra health items (20 Recovery Unit A, 5 Recovery Unit B, 5 MTS Vaccine, 5 Booster Shot A and 3 Booster Shot B). However, enemies will be more difficult in this mode.
Secret mode
Successfully complete the game after finding all fifteen dog tags and Roger's knife. After the credits, and the funny candy girl song, you can save the game. When you do save the game, the save file will be yellow and have a star next to it. When you load this saved game file, you will begin with 300 bullets, 50 shotgun shells, 99 grenade shells, 1000 flame thrower capacity, and 25 missiles. You will also start out with an AT-6 Grenade Launcher. This has a six chamber revolving unit that you can use. You also get 25 recovery unit type A, 5 type B, 5 MTS vaccines, 5 booster shot type A, and 3 booster shot type B. However, the enemies take double the hits to kill in this mode.
Dog tag locations
The following are the locations of the dog tags in order of when you find them: