Enter these passwords at the password screen. You'll obtain them as you load your saved games:
| Password: | Result: |
| Mccy | Unlocks the Roger McCoy card |
| Hnmt | Unlocks Reiko Hinomoto card |
| ntm | Unlocks Natsume Sano Card an Solid Eye Video |
| tobidacid | Solid Eye card (US/UK Version) |
| thespaniard | possessed arm card |
| aym | Kinoshita Ayumi |
| nojiri | Gives you card Strand |
| shinta | Gives you card Gijin-san |
| NEXTGEN | Get MGS4 card |
| Gekko | Gekko (US Version) |
| Ginormousj | Emma's Parrot Card |
| shrrr | card no197 Sea Harrier ( us version ) |
| Otacon | Card No.295 - Otacon (MGS4) |
| Snake | Card No.294 - Solid Snake (MGS4) |
| No Place | Card No.288 - MGS4 (JP Version only) |
| Nonat | Card No.287 - Sano Natsume (JP Version only) |
| Shiimeg | Card No.286 - Ishii Meguru (JP Version only) |
| Kinoshitaa | Card No.285 - Kinoshita Ayumi (JP Version only) |
| Xx | Card No.281 - Hinomoto Reiko (JP Version only) |
| Rgr | Card No.212 - Roger McCoy (JP Version only) |
| Dcyctps | Card No.203 - Decoy Octopus (JP Version only) |
| Hrrr | Card No.197 - Sea Harrier (JP Version only) |
| Sgnt | Card No.188 - SIGINT (JP Version only) |
| Signt | Card No.188 - Mr. Sigint |
| Xmeight | Card No.187 - XM8 |
| Jehuty | Card No.172 - Jehuty |
| Karen | Card No.170 - Karen Houjou |
| Mika | Card No.166 - Mika Slayton |
| Viper | Card No.161 - Viper |
| Konami | Card No.119 - Reaction Block |
| Cct | Card No.099 - Gijin-san (JP Version only) |
| Vrs | Card No.046 - Strain (JP Version only) |
| SONOFSULLY | Card No. 291 - Jack |
| Dcy | Card No. 203 - Decoy Octopus |
| Ronaldsiu | Banana Peel Card |
Complete the game on any difficulty and get a certain rare card:
Beat the game once and the selection "Card Movies" will appear in the Deck Editor. This will allow you to view the clips associated with various cards when you play them during gameplay (such as watching the Grey Fox clip from MGS1 when you play the "Cyborg Ninja" card).
Successfully complete the game to unlock the Card Movies option in the Deck Editor and Metal Gear REX and MGS 4 cards in your deck. Play a bit further (past the first part of stage 3) after completing the game once to unlock the MGS3: Subsistence pack. Successfully complete the game two times to unlock the Metal Gear RAY card, MGS Integral pack, MGS2 Substance pack, and Chronicle Unlimited.
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.
