1-Make sure theres no disc in your PS2 and turn it on. 2-Go into memory card settings and delete the frog icon that stands for metal gear online, delete nothing else 3-Put MGO disc in and click on Metal GEar Online option 4-Go to first time 5-Make as many accounts as you want this way 6-write down usernames and passwords so u dont forget 7-reset playstation with no disc in 8-delete the frog icon again 9-Go back into MGO setting 10-Click "Play with detailed settings" 11-choose first option, it shoudl be something similar to play online or something. Its the first option at this screen 12-go through the settings 13-Input Account Manually option 14-follow this step 3 times with your other 3 accounts 15-save all 3 to your memory card when it asks if u want the mto be on memory card list 16-Whenever you wanna log into your memory card accounts Play using detailed settings->First option->Follow steps normally->choose other option, not "Input Account Manually"->choose your account, log in 17-when u wanna log into your accounts not on memory card, same steps as above except choose input account manually