Unlock the following bonuses by performing the corresponding tasks:
BONUS - HOW TO UNLOCK EZ Gun - Complete Arena mode half way on the Easy difficulty setting Stealth - Complete Arena mode half way on the Normal difficulty setting Running Man - Complete Arena mode half way on the Hard difficulty setting G36C - Complete Arena mode half way on the Extreme difficulty setting
Complete the game to unlock the "Card Movies" option in the Deck Editor and Metal Gear REX and MGS 4 cards in your deck. Continue playing past the first part of stage 3 after completing the game once to unlock the MGS3: Subsistence pack. Beat the game two times to unlock the Metal Gear RAY card, MGS Integral pack, MGS2 Substance pack, and Chronicle Unlimited.
Upgrade the following cards to receive different ones. Note: All upgraded cards will count as a different card than the original:
Strand will upgrade to Critical Shot. Equipment Lv.2 will upgrade to Equipment Lv.3. Bandage will upgrade to Syptic +. McDonnell Miller will upgrade to Liquid Snake. Gray Fox will upgrade to Cyborg Ninja. Ocelot will upgrade to Revolver Ocelot. Metal Gear D Revised will upgrade to Metal Gear Mk-II. Django will upgrade to Sabata. Otenko Sama will upgrade to Otenko Sama +. Naked Snake will upgrade to Big Boss.
Use the Analog-stick to scroll up and down. Press L to change the color of the "Metal Gear Ac!d 2" text to black and remove the black pixel effect. Press R to zoom in on the title screen. Upon zooming in you will have the freedom to "scroll" the Analog-stick.