Mesaru Gear You can buy this after catching Specter. It cost 573 credits. Survival Mode You have to make sure you capture all apes and catch Specter a second time. Croc Cap and Infinite Items You must rescue all 20 hostages. Hard Mode You must complete Metal Gear Solid once. Ape Olympic You can purchase this in the Hobby Shop for 1500 credits. Mesal Gear Solid After you beat the game, you can buy this in Hobby Shop for 573 credits. Sarutimate Fighting You can buy this in Hobby Shop for 1500 credits.