My results:
Named so far:
Afghanistan, Albania, Algeria, Andorra, Angola, Argentina, Australia, Austria, Azerbaijan, Bahrain, Belgium, Bhutan, Bolivia, Botswana, Brazil, Brunei, Cambodia, Cameroon, Canada, Chad, Chile, China, Colombia, Cuba, Cyprus, East Timor, Egypt, Germany, India, Indonesia, Ireland, Israel, Italy, Japan, Laos, Libya, Malaysia, Maldives, Mexico, Nepal, New Zealand, Niger, Nigeria, North Korea, Oman, Paraguay, Qatar, Russia, San Marino, Saudi Arabia, Seychelles, South Africa, South Korea, Sri Lanka, Suriname, Switzerland, Syria, Tajikistan, Thailand, Tunisia, United Kingdom, United States, Uruguay, Vatican City, Venezuela, Vietnam, Yemen, Zimbabwe,
You forgot:
Antigua, Armenia, Bahamas, Bangladesh, Barbados, Belarus, Belize, Benin, Bosnia, Bulgaria, Burkina Faso, Burundi, Cape Verde, Central African Republic, Comoros, Congo, Costa Rica, Ivory Coast, Croatia, Czech Republic, Denmark, Djibouti, Dominica, Dominican Republic, Ecuador, El Salvador, Equatorial Guinea, Eritrea, Estonia, Ethiopia, Fiji, Finland, France, Gabon, Gambia, Georgia, Ghana, Greece, Grenada, Guatemala, Guinea, Guinea-Bissau, Guyana, Haiti, Honduras, Hungary, Iceland, Iran, Iraq, Jamaica, Jordan, Kazakhstan, Kenya, Kiribati, Kuwait, Kyrgyzstan, Latvia, Lebanon, Lesotho, Liberia, Liechtenstein, Lithuania, Luxembourg, Macedonia, Madagascar, Malawi, Mali, Malta, Marshall Islands, Mauritania, Mauritius, Micronesia, Moldova, Monaco, Mongolia, Montenegro, Morocco, Mozambique, Myanmar, Namibia, Nauru, Netherlands, Nicaragua, Norway, Pakistan, Palau, Panama, Papua New Guinea, Peru, Philippines, Poland, Portugal, Romania, Rwanda, Saint Kitts and Nevis, Saint Lucia, Saint Vincent and the Grenadines, Samoa, Sao Tome and Principe, Senegal, Serbia, Sierra Leone, Singapore, Slovakia, Slovenia, Solomon Islands, Somalia, Spain, Sudan, Swaziland, Sweden, Tanzania, Togo, Tonga, Trinidad , Tobago, Turkey, Turkmenistan, Tuvalu, Uganda, Ukraine, United Arab Emirates, Uzbekistan, Vanuatu, Zambia, Abkhazia, Taiwan, Nagorno-Karabakh, Northern Cyprus, Pridnestrovie, Somaliland, South Ossetia, Ashmore and Cartier Islands, Christmas Island, Cocos Islands, Coral Sea Islands, Heard Island and McDonald Islands, Norfolk Island, New Caledonia, French Polynesia, Mayotte, Saint Barthelemy, Saint Martin, Saint Pierre and Miquelon, Wallis and Futuna, French Southern and Antarctic Lands, Clipperton Island, Bouvet Island, Cook Islands, Niue, Tokelau, Guernsey, Isle of Man, Jersey, Anguilla, Bermuda, Virgin Islands, Cayman Islands, Falkland Islands, Gibraltar, Montserrat, Pitcairn Islands, Saint Helena, South Georgia, Turks and Caicos Islands, Northern Mariana Islands, Puerto Rico, American Samoa, Baker Island, Guam, Howland Island, Jarvis Island, Johnston Atoll, Kingman Reef, Midway Islands, Navassa Island, Palmyra Atoll, U.S. Virgin Islands, Wake Island, Hong Kong, Macau, Faroe Islands, Greenland, French Guiana, Guadeloupe, Martinique, Reunion, Aland, Aruba, Netherlands Antilles, Svalbard, Ascension, Tristan da Cunha, Antarctica, Kosovo, Palestine, Western Sahara, Australian Antarctic Territory, Ross Dependency, Peter I Island, Queen Maud Land, British Antarctic Territory