| Banderas Muy Dificil | 87 | - | - |
| Banderas de los estados de Brasil | 47 | - | - |
| Banderas de los Sujetos Federales de Rusia | 107 | - | - |
| Banderas grupos étnicos y territorios en disputa | 83 | - | - |
| Banderas Vallès Occidental | 19 | - | - |
| Flags of all Countries, Autonomous Regions, Territories and Islands | 1,834 | - | - |
| Flags of U.S. Cities | 993 | - | - |
| European Capital City Flags | 1,035 | - | - |
| Separatist Movements Flags | 1,429 | - | - |
| Regional Flags of Italy | 672 | - | - |
| Flags of the States of Mexico | 590 | - | - |
| Flags of Territories, Autonomous regions, Islands & Communities | 1,394 | - | - |
| Ethnic Minorities of Russia by Flag | 563 | - | - |
| Guess The Old Flags (Difficulty Extreme) | 526 | - | - |
| Malaysian State and Federal Territory Flags | 480 | - | - |
| France: Flags of Regions and Overseas Territories | 612 | - | - |
| Flags of International Organisations | 456 | - | - |
| Banderas de las Provincias de España (Difícil) | 861 | - | - |
| Weird Historical/Proposed/Modern Flags | 129 | - | - |
| Some Impossible flags | 66 | - | - |
| The (Almost) Impossible Flag Quiz V1 | 3,054 | - | - |
| Flags Quiz (IMPOSSIBLE) | 178 | - | - |
| Flags of The World (Impossible) | 32 | - | - |
| Ultimate North American Flags Quiz | 65 | - | - |
| Guess the 5 boroughs of New York by their flags | 28 | - | - |
| U.S. State Flags | 168,787 | 0 | - |
| Extreme Flag Quiz | 240 | - | - |
| Todas las banderas del mundo | 602 | - | - |
| Flags of Separatist Movements in Pakistan | 33 | - | - |
| Irish Province Flags | 50 | - | - |
| Andorran Parish Flags | 41 | - | - |
| Flags of Australian States | 16 | - | - |
| Belarusian Region Flags | 45 | - | - |
| Canadian Province Flags | 71 | - | - |
| Comorian Island Flags | 26 | - | - |
| Dutch Province Flags | 131 | - | - |
| English County Flags | 68 | - | - |
| German State Flags | 62 | - | - |
| Italian Region Flags | 213 | - | - |
| Japanese Prefecture Flags | 351 | - | - |
| Palauan State Flags | 13 | - | - |
| Polish Voivodeship Flags | 97 | - | - |
| Slovak Region Flags | 18 | - | - |
| South Sudanese State Flags | 12 | - | - |
| Swedish County Flags | 45 | - | - |
| Swiss Canton Flags | 195 | - | - |
| Ukrainian Oblast Flags | 148 | - | - |
| Vanuatuan Province Flags | 55 | - | - |
| Flags of Separatist Movements in Ethiopia | 17 | - | - |
| Flags of Separatist Movements in Syria | 20 | - | - |
| Flags of Capital Cities - Asia | 23 | - | - |
| Flags of Separatist Movements in Azerbaijan | 16 | - | - |
| Flags of Separatist Movements in Türkiye | 28 | - | - |
| Costa Rica: Flags of the Provinces | 35 | - | - |
| Albania: Flags of the Counties | 42 | - | - |
| Bahrain: Flags of the Governorates | 26 | - | - |
| Belgium: Flags of the Provinces | 107 | - | - |
| Bolivia: Flags of the Departments | 94 | - | - |
| Bosnia and Herzegovina: Flags of the Cantons | 9 | - | - |
| Chile: Flags of the Regions | 34 | - | - |
| China: Flags of the Provinces in the National Games | 24 | - | - |
| Colombia: Flags of the Departments | 48 | - | - |
| United Arab Emirates: Flags of the Emirates | 55 | - | - |
| Guess Obscure Flags of The World | 3,350 | - | - |
