Cheat List * 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 card destroys 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 The following four codes are for the Japanese version only * Sabrage: Gives you card 200 * Nomel: Gives you card 201 * Elyts: Gives you Card 202 * Maeb: Gives you Card 203 Multiplayer with Wi-fi Once you complete Stage 6, the Residential Area, Teliko has joined the mission. If you go to the options during the intermission menu, Link Battle is now available. You can link two PSPs through AD-hoc, and go head to head while controlling Snake and Teliko. Special Bonus Cards * Raiden Card: Complete the game twice on any difficulty. * Solid Snake Card: Complete the game once.