| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,663 |
| Africa Capitals Quiz | 0 | - | 4.99 | 739,714 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,431 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,465 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,439 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 110,956 |
| African Capitals by Map | 0 | - | 4.99 | 134,164 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,662 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,334 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,245 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,346 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,578 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,671 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,926 |
| Countries with Megacities | 0 | - | 4.99 | 264,622 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,762 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,487 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,023 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,565 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,448,380 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,009 |
| Biggest Cities in the World | 0 | - | 4.91 | 800,952 |
| Africa Map Quiz | 0 | - | 5.00 | 2,121,706 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,071 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,949 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,214 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,166 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,571 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,745 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,231 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,280 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,017 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,880 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,744 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 134,824 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,129 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,759 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,257 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,168 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,281 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,827 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,908 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,113 |
| Name a City - European Countries | 0 | - | 4.90 | 65,616 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,100 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,142 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 418,747 |
| Biggest Cities in the United States | 0 | - | 4.94 | 981,092 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,775 |
| Asia Capitals Quiz | 0 | - | 4.98 | 694,745 |
| Countries of Africa | 0 | - | 5.00 | 2,544,930 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,908 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,303 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,972 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,419 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,938 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,879 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,703 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,736 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,159 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,337 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,499 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,988 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,057 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,975 |
| Largest City by Island | 0 | - | 4.87 | 72,069 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,164 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,204 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,769 |
| Megacities on a World Map | 0 | - | 4.98 | 255,345 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 579,418 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,514 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,188 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,225 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 168,706 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,238 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,512 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,303 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,919 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,340 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,644 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,416 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,388 |
| Europe Capital to Country | 0 | - | 4.99 | 250,873 |
| Asia Capital to Country | 0 | - | 4.96 | 126,870 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,203 |
| European Capitals by Map | 0 | - | 4.99 | 139,967 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,633 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,292 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,633 |
| European Coastal Capitals | 0 | - | 4.95 | 90,815 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,671 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,852 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,545 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,925 |
| African Island Countries | 0 | - | 4.96 | 101,872 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,199 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,362 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,835 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,344 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,794 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,479 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,434 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,098 |
| Flags of Africa Quiz | 0 | - | 5.00 | 473,154 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,968 |
| Boundary Waters | 0 | - | 4.92 | 88,579 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,259 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,281 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,742 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,621 |
| Most Populous Islands | 0 | - | 4.80 | 123,049 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,326 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,569 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,877 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,873 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,529 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,320 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,157 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,524 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,541 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,358 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,217 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 346,743 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,711 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,184 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,913 |
| Official Cities in the UK | 0 | - | 4.89 | 284,506 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,542 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,578 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,710 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,211 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,523 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,023 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,297 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,550 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,408 |
| The Only African Country ... | 0 | - | 4.99 | 129,271 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,207 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,888 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,399 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,068 |
| Capitals of the Stans | 0 | - | 4.95 | 26,917 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,592,671 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,849 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,587 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,748 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,565 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,046 |
| Biggest City by Region | 0 | - | 4.50 | 36,284 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,193 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,001 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,629 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,827 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,094 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,226 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,380 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,361 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,704 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,456 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,383 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 149,270 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,200 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,015 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,246 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,723 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,295 |
| Landlocked Countries | 0 | - | 4.99 | 422,102 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,813 |
| Name a Valid African Country | 0 | - | 4.98 | 154,358 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,128 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,590 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,853 |
| D.R. Congo Country Quiz | 0 | - | 4.87 | 39,431 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,713 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,033 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,589 |
| Population Trivia | 0 | - | 4.32 | 27,518 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,549 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,556 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,742 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 83,074 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,041 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,462 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,491 |
| World Capitals Quiz | 0 | - | 5.00 | 5,083,883 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,777 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,591 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,796 |
| Random European Capital to Country | 0 | - | 4.98 | 191,394 |
| Random European Country to Capital | 0 | - | 4.93 | 165,386 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,600 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,984 |
| Random African Capital to Country | 0 | - | 4.97 | 100,911 |
| Random African Country to Capital | 0 | - | 4.94 | 71,373 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,543 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,526 |
| Himalayan Countries | 0 | - | 4.94 | 138,795 |
| Andean Countries | 0 | - | 4.93 | 84,646 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,838 |
