| Countries With More Than 100 Million People | 0 | - | 4.99 | 161,482 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 119,792 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 161,368 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 165,770 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 164,968 |
| Countries with Megacities | 0 | - | 4.99 | 224,827 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 191,255 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 108,649 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 130,320 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 76,131 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 307,795 |
| Subdivisions by Country | 0 | - | 4.85 | 49,225 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,401,326 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 368,983 |
| Biggest Cities in the World | 0 | - | 4.91 | 764,846 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 124,524 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 83,482 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 260,644 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 117,941 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 109,281 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 90,006 |
| Countries by Population Range - Tile Select | 0 | - | 4.86 | 56,326 |
| Biggest City by Time Zone | 0 | - | 4.86 | 63,311 |
| Biggest City in Every Country | 0 | - | 4.98 | 92,912 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 193,665 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 104,574 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 113,958 |
| Biggest Cities with Exceptions | 0 | - | 4.88 | 75,042 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.86 | 80,694 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 74,878 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 46,262 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 66,730 |
| Ten Southernmost Megacities | 0 | - | 4.82 | 49,659 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 63,781 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 123,109 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 404,016 |
| Biggest Cities in the United States | 0 | - | 4.94 | 932,566 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 356,812 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 69,960 |
| Demographics Multiple Choice | 0 | - | 4.70 | 41,626 |
| Countries of Europe by Population | 0 | - | 4.98 | 170,322 |
| Most Populous Countries by Year | 0 | - | 4.81 | 105,652 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 93,716 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 123,312 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 103,340 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 109,472 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 86,839 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.88 | 116,184 |
| Biggest Cities by Language | 0 | - | 4.95 | 226,499 |
| Largest City by Island | 0 | - | 4.89 | 68,677 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.92 | 68,614 |
| Most Populous World Capitals | 0 | - | 4.93 | 171,302 |
| Biggest European Cities by Century | 0 | - | 4.98 | 126,447 |
| Megacities on a World Map | 0 | - | 4.98 | 235,992 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 558,957 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 65,137 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 71,218 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 102,712 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 163,147 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 217,644 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 131,884 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.86 | 73,742 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 81,890 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 65,309 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 71,464 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 94,100 |
| Regions of Countries #1 | 0 | - | 4.97 | 156,877 |
| Regions of Countries #2 | 0 | - | 4.95 | 121,098 |
| Regions of Countries #3 | 0 | - | 4.84 | 88,735 |
| Canada Provinces and Territories | 0 | - | 5.00 | 324,019 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 154,685 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.92 | 46,347 |
| Boundary Waters | 0 | - | 4.92 | 86,893 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 33,870 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 93,000 |
| Most Populous Islands | 0 | - | 4.78 | 119,922 |
| Islands by Largest City #1 | 0 | - | 4.47 | 93,851 |
| Islands by Largest City #2 | 0 | - | 4.74 | 34,931 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 225,387 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 177,592 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 187,494 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 100,744 |
| Countries by Population Decrease | 0 | - | 4.45 | 48,946 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 106,030 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 155,734 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 62,728 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.97 | 70,779 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.87 | 21,144 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 163,917 |
| Biggest Cities in Asia | 0 | - | 4.94 | 105,836 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 48,172 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 331,820 |
| Megacities on an Empty Map | 0 | - | 4.96 | 94,628 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.94 | 48,212 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 170,195 |
| States of India | 0 | - | 4.94 | 181,514 |
| Japanese Prefectures | 0 | - | 4.98 | 127,452 |
| Counties of Ireland | 0 | - | 4.91 | 180,789 |
| Regions of New Zealand | 0 | - | 4.85 | 27,189 |
| Cantons of Switzerland | 0 | - | 4.97 | 47,175 |
| Federal Subjects of Russia | 0 | - | 4.95 | 136,029 |
| Provinces of Turkey | 0 | - | 4.95 | 194,670 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.96 | 25,204 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 58,342 |
| Countries of the World Quiz | 0 | - | 5.00 | 45,341,323 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 98,028 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 55,471 |
| Second Biggest Cities by Country | 0 | - | 4.42 | 56,279 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,014 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 44,541 |
| Biggest City by Region | 0 | - | 4.50 | 35,382 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,206 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 67,362 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 71,791 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 216,018 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 131,217 |
| Northernmost Major City by Country | 0 | - | 4.56 | 32,519 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 51,797 |
| Two Largest Cities by First Two Letters | 0 | - | 4.54 | 81,827 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 110,044 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 48,751 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 395,672 |
| States of Mexico | 0 | - | 4.93 | 163,474 |
| States of Brazil | 0 | - | 4.98 | 81,520 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.91 | 49,311 |
| World Geography on a Map #1 | 0 | - | 4.94 | 71,884 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 92,452 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 82,988 |
| Population Trivia | 0 | - | 4.30 | 27,185 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 154,932 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 43,105 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 113,075 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 76,626 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.94 | 37,626 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.88 | 111,010 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.85 | 59,346 |
| World Capitals Quiz | 0 | - | 5.00 | 4,897,052 |
| Sahara Desert Countries | 0 | - | 4.98 | 152,051 |
| Himalayan Countries | 0 | - | 4.94 | 127,806 |
| Andean Countries | 0 | - | 4.93 | 71,976 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 59,197 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 117,379 |
| Coffee Producing Countries | 0 | - | 4.84 | 62,575 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 61,625 |
| Danube Countries | 0 | - | 4.97 | 62,381 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 98,985 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 83,382 |
| Countries with the Worst Passports | 0 | - | 4.93 | 77,553 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 142,592 |
| European Landlocked Countries | 0 | - | 4.99 | 143,096 |
| Partially Recognized Countries | 0 | - | 4.98 | 101,079 |
| Countries with the Most Species | 0 | - | 4.99 | 93,621 |
| Countries 197 to 205 | 0 | - | 4.88 | 65,924 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 52,337 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 46,538 |
| Countries that Use the Peso | 0 | - | 4.89 | 57,527 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 71,014 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 55,063 |
| Countries in the Alps | 0 | - | 4.87 | 113,051 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 92,307 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 100,923 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 76,549 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 92,801 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 112,706 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 93,184 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 96,866 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 51,022 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 48,926 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 60,091 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 52,096 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 39,917 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 101,598 |
| Arctic Ocean Countries | 0 | - | 4.94 | 77,059 |
| Countries with the Most Grassland | 0 | - | 4.93 | 74,971 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 112,365 |
| Countries with the Most Climate Zones | 0 | - | 4.95 | 65,979 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 57,842 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.94 | 41,551 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 229,185 |
| World Countries - Blind Typing | 0 | - | 5.00 | 99,590 |
| Countries in Their Own Alphabet | 0 | - | 4.96 | 46,197 |
| Largest Countries By Category | 0 | - | 4.97 | 153,462 |
| Countries by Countries | 0 | - | 4.96 | 59,971 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,483,071 |
| Country Flags with the Most White | 0 | - | 4.86 | 134,184 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,191 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 46,733 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 85,484 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,569,592 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 142,222 |
| Western Europe Map Quiz | 0 | - | 4.87 | 92,494 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 80,001 |
| Who Controls It? #1 | 0 | - | 4.83 | 47,624 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 200,186 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 116,038 |
| Longest International Borders | 0 | - | 4.99 | 258,512 |
| Countries with Three Borders | 0 | - | 4.96 | 35,120 |
| Country Connect by Northernmost Point | 0 | - | 4.97 | 40,291 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 45,969 |
| Demonym of Every Country | 0 | - | 4.91 | 56,451 |
