| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,988 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,688 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,634 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,082 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,857 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,385 |
| African Capitals by Map | 0 | - | 4.99 | 133,316 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,727 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,398 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,476 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,604 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,331 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,338 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,929 |
| Countries with Megacities | 0 | - | 4.99 | 257,659 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,796 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,934 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,081 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,940 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,442,905 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,617 |
| Biggest Cities in the World | 0 | - | 4.91 | 796,428 |
| Africa Map Quiz | 0 | - | 5.00 | 2,114,470 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,701 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,528 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,354 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,651 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,247 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,342 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,901 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,433 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,853 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,037 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,844 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,701 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,332 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,171 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,417 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,644 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,746 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,203 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,336 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,797 |
| Name a City - European Countries | 0 | - | 4.90 | 65,173 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,583 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,596 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,399 |
| Biggest Cities in the United States | 0 | - | 4.93 | 975,249 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,485 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,881 |
| Countries of Africa | 0 | - | 5.00 | 2,529,566 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,790 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,211 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,306 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,756 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,640 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,349 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,491 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,183 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,677 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,956 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,133 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,814 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,998 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,943 |
| Largest City by Island | 0 | - | 4.87 | 71,643 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,768 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,631 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,220 |
| Megacities on a World Map | 0 | - | 4.98 | 253,250 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 576,886 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,193 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,658 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,152 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,042 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,704 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,077 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,056 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,377 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,148 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,424 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,057 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,794 |
| Europe Capital to Country | 0 | - | 4.99 | 249,521 |
| Asia Capital to Country | 0 | - | 4.96 | 126,450 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,553 |
| European Capitals by Map | 0 | - | 4.99 | 138,511 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,055 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,860 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,216 |
| European Coastal Capitals | 0 | - | 4.95 | 90,361 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,491 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,085 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,519 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,735 |
| African Island Countries | 0 | - | 4.96 | 101,408 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,758 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,876 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,139 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,624 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,374 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,980 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,061 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,862 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,162 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,819 |
| Boundary Waters | 0 | - | 4.92 | 88,367 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,063 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,887 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,136 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,315 |
| Most Populous Islands | 0 | - | 4.80 | 122,767 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,273 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,498 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,762 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,814 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,017 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,118 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,650 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,294 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,769 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,602 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,877 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,673 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,067 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,784 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,562 |
| Official Cities in the UK | 0 | - | 4.89 | 282,981 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,348 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,022 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,232 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,874 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,961 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,680 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,068 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,073 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,158 |
| The Only African Country ... | 0 | - | 4.98 | 128,911 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,051 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,627 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,974 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,635 |
| Capitals of the Stans | 0 | - | 4.95 | 26,735 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,314,982 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,488 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,307 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,381 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,041 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,912 |
| Biggest City by Region | 0 | - | 4.50 | 36,117 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,048 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,784 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,381 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,838 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,475 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,147 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,320 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,157 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,905 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,357 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 69,918 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 146,971 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,455 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,519 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,885 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,037 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,041 |
| Landlocked Countries | 0 | - | 4.99 | 418,612 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,306 |
| Name a Valid African Country | 0 | - | 4.98 | 153,735 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,012 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,380 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,715 |
| D.R. Congo Country Quiz | 0 | - | 4.87 | 39,283 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,485 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,599 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,407 |
| Population Trivia | 0 | - | 4.32 | 27,472 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,000 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,036 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,097 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,213 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,546 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,446 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,021 |
| World Capitals Quiz | 0 | - | 5.00 | 5,062,199 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,196 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,438 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,539 |
| Random European Capital to Country | 0 | - | 4.98 | 190,611 |
| Random European Country to Capital | 0 | - | 4.93 | 164,518 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,188 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,582 |
| Random African Capital to Country | 0 | - | 4.97 | 100,476 |
| Random African Country to Capital | 0 | - | 4.94 | 71,076 |
| Melbourne Suburbs | 0 | - | 4.85 | 52,763 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,825 |
| Himalayan Countries | 0 | - | 4.94 | 137,280 |
| Andean Countries | 0 | - | 4.95 | 83,857 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,133 |
