| South America Capitals Quiz | 0 | - | 5.00 | 484,274 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,489 |
| Countries Bordering Brazil | 0 | - | 4.96 | 132,171 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,829 |
| States of Brazil | 0 | - | 4.97 | 89,377 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,255 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,933 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,472 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,625 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,550 |
| South American Cities on the Map | 0 | - | 4.52 | 35,532 |
| Brazil Country Quiz | 0 | - | 4.52 | 102,262 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,804 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,111 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,115 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,823 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,488 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,741 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,771 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,812 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,850 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,495 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,725 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,384 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,512 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,489 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,637 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,921 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,885 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,246 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,338 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,956 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,806 |
| Countries that Beat Brazil | 0 | - | 4.49 | 69,122 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,779 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,452,356 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,035 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,831 |
| Countries with Megacities | 0 | - | 4.99 | 266,455 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,536 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,933 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,838 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,045 |
| Biggest Cities in the World | 0 | - | 4.91 | 804,327 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,697,074 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,837 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,304 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,535 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,269 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,753 |
| Peru Country Quiz | 0 | - | 4.54 | 48,878 |
| Chile Country Quiz | 0 | - | 4.75 | 40,244 |
| Ecuador Country Quiz | 0 | - | 4.60 | 31,988 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,335 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,209 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,793 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,528 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,808 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,092 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,496 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,798 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,757 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,026 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,291 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 149,408 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,633 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,143 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,096 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,815 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,530 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,593 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 65,117 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,268 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,076 |
| Biggest Cities in the United States | 0 | - | 4.94 | 985,350 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,678 |
| Name a City - European Countries | 0 | - | 4.90 | 66,019 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,705 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,738 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 150,492 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,300 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 581,263 |
| Which South American Country? | 0 | - | 4.69 | 52,076 |
| Belize Country Quiz | 0 | - | 4.85 | 21,064 |
| South America Map Quiz | 0 | - | 5.00 | 1,554,821 |
| Flags of North and South America | 0 | - | 4.99 | 376,179 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,467 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,256 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,853 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,174 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,530 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,648 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,775 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,134 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,437 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,479 |
| Largest City by Island | 0 | - | 4.87 | 72,344 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,358 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,557 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,044 |
| Megacities on a World Map | 0 | - | 4.98 | 256,489 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,699 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,542 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 348,108 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,936 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,511 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,644 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,785 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,448 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,117 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,460 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,795 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,657 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,318 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,883 |
| Europe Capital to Country | 0 | - | 4.99 | 251,765 |
| Asia Capital to Country | 0 | - | 4.96 | 127,272 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,756 |
| European Capitals by Map | 0 | - | 4.99 | 141,700 |
| African Capitals by Map | 0 | - | 4.99 | 141,775 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,758 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,716 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,046 |
| European Coastal Capitals | 0 | - | 4.95 | 91,170 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,108 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,077 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,474 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,093 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,514 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,761 |
| Venezuela Country Quiz | 0 | - | 4.51 | 30,718 |
| Paraguay Country Quiz | 0 | - | 4.54 | 25,388 |
| Bolivia Country Quiz | 0 | - | 4.63 | 26,378 |
| Suriname Country Quiz | 0 | - | 4.61 | 19,920 |
| Guyana Country Quiz | 0 | - | 4.50 | 22,905 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 904,458 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,488 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,990 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,920 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,883 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,363 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,464 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,732 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,872 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,944 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,974 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,375 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,066 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,433 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,157 |
| Official Cities in the UK | 0 | - | 4.89 | 285,760 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,544 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,671 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,156 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,265 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,919 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,722 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,098 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,461 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,945 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,297 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,497 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,831 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,627 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,556 |
| The Only American Country ... | 0 | - | 4.92 | 122,103 |
| US States Quiz | 0 | - | 5.00 | 16,971,188 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,390 |
| Capitals of the Stans | 0 | - | 4.95 | 27,086 |
| Most Populous Islands | 0 | - | 4.80 | 123,236 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,364 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,618 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,949 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,433 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,739 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,265 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,929 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,468 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,546 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,138 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 91,895 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,140 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,975 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,261 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,501 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,788 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,945 |
| Random U.S. City to State | 0 | - | 4.45 | 76,799 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,707 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,046 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,754 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,987 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,393 |
| Random European Capital to Country | 0 | - | 4.98 | 191,947 |
| Random European Country to Capital | 0 | - | 4.93 | 165,727 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,917 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,329 |
| Random African Capital to Country | 0 | - | 4.97 | 101,193 |
| Random African Country to Capital | 0 | - | 4.95 | 71,659 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,481 |
