Metal Gear Acid Cheats:

Cheat List:

Enter the following passwords to unlock a new card.

• Viper: Gives you Viper card 173
• Mika: Gives you Mika Slayton Card 178
• Karen: Gives you Karen Houjou card 182
• Jehuty: Gives Jehuty card 184 – This will destroy all equipment in a room.
• Xmeight: Gives you card 199
• Kobe - Gives you card No.200, Yuka Kosaka
• Umeda - Gives you card No.201, Asaki Yoshida
• Yebisu - Gives you card No. 202
• Roppongi - Gives you card No.203, Eri Shibuya

Note – the following codes are for the Japanese version of Metal Gear Acid
 

• Sabrage: Gives you card 200
• Nomel: Gives you card 201
• Elyts: Gives you Card 202
• Maeb: Gives you Card 203

Wi-Fi Multiplayer Mode:

Firstly, have Teliko join the mission by completing the Residential area that makes up Stage 6. Next, go to the options screen in the intermission menu, and you’ll see that Link Battle is now available. This allows you to connect two PSP units together via Ad-hoc, and go head to head controlling Snake and Teliko.

Special Bonus Cards:
 

• Raiden: Finish the game through twice on any difficulty level.
• Solid Snake: Finish the game once.