| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,352 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,657 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,179 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,050 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,615 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,071 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,966 |
| Random European Capital to Country | 0 | - | 4.98 | 189,093 |
| Random European Country to Capital | 0 | - | 4.92 | 147,364 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,300 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,342 |
| Random African Capital to Country | 0 | - | 4.97 | 99,684 |
| Random African Country to Capital | 0 | - | 4.94 | 70,164 |
| World Capitals Quiz | 0 | - | 5.00 | 5,027,404 |
| Europe Capital to Country | 0 | - | 4.99 | 247,356 |
| Asia Capital to Country | 0 | - | 4.96 | 125,659 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,337 |
| European Capitals by Map | 0 | - | 4.99 | 136,030 |
| African Capitals by Map | 0 | - | 4.99 | 132,088 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,003 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,091 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,545 |
| European Coastal Capitals | 0 | - | 4.95 | 89,677 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,156 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,485 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,612 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,389 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,264 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,569,642 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,946 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,623 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,574 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,042 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,095 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,391 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,723 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,039 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,924 |
| Countries with Megacities | 0 | - | 4.99 | 246,345 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,852 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,763 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,303 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,708 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,639 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,324 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,847 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,590 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,543 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,506 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,273 |
| Countries by Capital City | 0 | - | 5.00 | 66,510 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,247 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,836 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,360 |
| Moved Capital Cities | 0 | - | 4.96 | 73,536 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,727 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,624 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,439 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,144 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,953 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,950 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,358 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,090 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,347 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,161 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,171 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,466 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,767 |
| Countries Closest to Indonesia | 0 | - | 4.96 | 103,891 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,277 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,733 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 92,740 |
| Countries Closest to India | 0 | - | 4.97 | 102,163 |
| Countries Closest to Japan | 0 | - | 4.92 | 137,851 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,199 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,498 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,751 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,759 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,787 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,421 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,519 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,178 |
| North American Sports Cities | 0 | - | 4.83 | 170,797 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,892 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,659 |
| Name a City - European Countries | 0 | - | 4.92 | 64,296 |
| Cities by Former Name | 0 | - | 4.84 | 90,894 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,653 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,204 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,825 |
| World Capitals by Map | 0 | - | 5.00 | 282,942 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,613 |
| Random Capital to Country | 0 | - | 4.99 | 2,576,846 |
| Random Country to Capital | 0 | - | 4.98 | 910,820 |
| Capitals Starting With H | 0 | - | 4.90 | 90,034 |
| Capitals Starting With K | 0 | - | 4.85 | 75,592 |
| Capitals Starting With L | 0 | - | 4.81 | 86,724 |
| Capitals Starting With M | 0 | - | 4.93 | 105,916 |
| Capitals Starting With P | 0 | - | 4.88 | 77,095 |
| Capitals Starting With R | 0 | - | 4.87 | 80,887 |
| Capitals Starting With S | 0 | - | 4.89 | 84,710 |
| Capitals Starting With T | 0 | - | 4.84 | 75,215 |
| Capitals Starting With W | 0 | - | 4.89 | 90,532 |
| Capitals Starting With A | 0 | - | 4.97 | 126,412 |
| Capitals Starting With B | 0 | - | 4.89 | 117,176 |
| Capitals Starting With D | 0 | - | 4.93 | 95,265 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,799 |
| Olympic Host Countries | 0 | - | 4.98 | 198,792 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,754 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,396 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 302,968 |
| The Only European Country ... | 0 | - | 4.91 | 213,581 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,919 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,378 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,163 |
| Countries of Africa | 0 | - | 5.00 | 2,505,480 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,781 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,220 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,586 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,761 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,455 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,839 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,313 |
| Countries Closest to Iceland | 0 | - | 4.89 | 72,776 |
| Closest Countries to North Korea | 0 | - | 4.94 | 121,745 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,811 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,098 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,098 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,199 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,793 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,318 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,493 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,446 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 572,813 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,738 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,352 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,201 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,199 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,543 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,505 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,739 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,138 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,137 |
| Southernmost Major Cities | 0 | - | 4.44 | 51,070 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.47 | 72,548 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,012 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,280 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,272 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,119 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 212,945 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,690 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,557 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,285 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,019 |
| Former Capitals | 0 | - | 4.88 | 71,102 |
| Capital Cities Chain | 0 | - | 4.84 | 81,842 |
| Coldest World Capitals | 0 | - | 4.95 | 133,005 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,713 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 20,739 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,909 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,252 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,820 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,128 |
| Countries of the Middle East | 0 | - | 4.96 | 198,762 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,184 |
| Slavic Countries | 0 | - | 4.96 | 110,793 |
| African Island Countries | 0 | - | 4.96 | 100,696 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,467 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,215 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 44,873 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,031 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,002 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,777 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,614 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,397 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,970 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,701 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,524 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,621 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,694 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,122 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,108 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,220 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,491 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,179 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,340 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,156 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,450 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,121 |
| Countries Closest to Europe | 0 | - | 4.70 | 109,420 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,772 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,862 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,724 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,924 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,592 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,777 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,297 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,815 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,877 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,506 |
