| Countries With More Than 100 Million People | 0 | - | 4.98 | 139,020 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 111,023 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 128,063 |
| Countries with Megacities | 0 | - | 4.99 | 200,443 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 173,943 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,260 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 97,404 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 65,255 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 251,365 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,323,037 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 352,217 |
| Biggest Cities in the World | 0 | - | 4.90 | 697,460 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 117,726 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 67,015 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 247,232 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 110,067 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 103,992 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 71,705 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 51,086 |
| Biggest City by Time Zone | 0 | - | 4.84 | 55,471 |
| Biggest City in Every Country | 0 | - | 4.98 | 80,677 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 172,821 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 93,525 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 98,701 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 66,211 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.84 | 72,790 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 66,411 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 42,813 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 60,484 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,792 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 56,210 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 108,531 |
| Most Populous Country by First Two Letters | 0 | - | 4.71 | 67,457 |
| Demographics Multiple Choice | 0 | - | 4.64 | 40,061 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 376,123 |
| Biggest Cities in the United States | 0 | - | 4.93 | 844,043 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 337,351 |
| Boundary Waters | 0 | - | 4.93 | 81,643 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 75,954 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 52,185 |
| Countries of Europe by Population | 0 | - | 4.98 | 130,003 |
| Most Populous Countries by Year | 0 | - | 4.81 | 95,045 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 79,151 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 97,796 |
| Countries with the Most People Bordering Them | 0 | - | 4.97 | 83,014 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 94,513 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 72,152 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 109,797 |
| Biggest Cities by Language | 0 | - | 4.95 | 215,704 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 65,207 |
| Most Populous World Capitals | 0 | - | 4.93 | 156,662 |
| Biggest European Cities by Century | 0 | - | 4.98 | 119,914 |
| Megacities on a World Map | 0 | - | 4.98 | 222,912 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 60,541 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 64,242 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 85,848 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 152,603 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 206,906 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 110,448 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.85 | 69,134 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 76,699 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 54,052 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 67,397 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 87,774 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 145,193 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 147,484 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 519,992 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.83 | 30,648 |
| Most Populous Islands | 0 | - | 4.71 | 113,587 |
| Islands by Largest City #1 | 0 | - | 4.48 | 82,484 |
| Countries by Population Decrease | 0 | - | 4.43 | 46,855 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.55 | 50,180 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.91 | 7,412 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 208,369 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 163,329 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 159,665 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.90 | 81,997 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.92 | 90,383 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 147,310 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.97 | 65,251 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 156,006 |
| Biggest Cities in Asia | 0 | - | 4.94 | 97,288 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 44,142 |
| Megacities on an Empty Map | 0 | - | 4.95 | 88,382 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 42,627 |
| Most Populous Countries in 1900 | 0 | - | 4.92 | 163,031 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,497,788 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 331,212 |
| World Geography on a Map #1 | 0 | - | 4.93 | 67,994 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 85,177 |
| Islands by Largest City #2 | 0 | - | 4.72 | 26,960 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.39 | 79,359 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.75 | 93,831 |
| Population Trivia | 0 | - | 4.35 | 26,427 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.89 | 51,216 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 98,137 |
| Biggest Cities by Trait #1 | 0 | - | 4.45 | 43,265 |
| Biggest City by Region | 0 | - | 4.50 | 33,941 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 53,804 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 64,238 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 68,365 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 202,183 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 121,936 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,573 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 77,553 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 307,964 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 99,312 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 47,289 |
| World Capitals Quiz | 0 | - | 5.00 | 4,548,200 |
| Members of the Arab League | 0 | - | 4.85 | 65,090 |
| Sahara Desert Countries | 0 | - | 4.97 | 129,301 |
| Himalayan Countries | 0 | - | 4.94 | 107,282 |
| Andean Countries | 0 | - | 4.91 | 59,676 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 60,751 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,445 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 103,823 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,634 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 53,957 |
| Danube Countries | 0 | - | 4.96 | 57,057 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,080 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,167 |
| Countries with the Best Passports | 0 | - | 4.87 | 72,255 |
| Countries with the Worst Passports | 0 | - | 4.89 | 50,085 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 110,382 |
| European Landlocked Countries | 0 | - | 4.99 | 136,749 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,494 |
| Countries with the Most Species | 0 | - | 4.99 | 89,760 |
| Countries 197 to 205 | 0 | - | 4.87 | 56,989 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,915 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,218 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 48,807 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,736 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 58,996 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 49,660 |
| Countries in the Alps | 0 | - | 4.84 | 103,486 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 86,099 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 88,720 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 72,062 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,131 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,634 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 88,098 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,260 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,582 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,584 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,180 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,939 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,887 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,913 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,313 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,452 |
| Countries with the Most Grassland | 0 | - | 4.94 | 70,026 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 99,774 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,762 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 53,842 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 200,402 |
| World Countries - Blind Typing | 0 | - | 5.00 | 74,537 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,665 |
| Largest Countries By Category | 0 | - | 4.97 | 145,985 |
| Countries by Countries | 0 | - | 4.96 | 55,302 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,140,096 |
| Country Flags with the Most White | 0 | - | 4.90 | 125,646 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 59,057 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.86 | 44,998 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 79,162 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,204,837 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 135,543 |
| Western Europe Map Quiz | 0 | - | 4.87 | 89,592 |
| Tourist Attraction by Negative Review | 0 | - | 4.90 | 60,269 |
| Who Controls It? #1 | 0 | - | 4.84 | 45,744 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 182,568 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 111,635 |
| Longest International Borders | 0 | - | 4.99 | 235,921 |
| Countries with Three Borders | 0 | - | 4.96 | 31,911 |
| Country Connect by Northernmost Point | 0 | - | 4.97 | 36,536 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 40,998 |
| Demonym of Every Country | 0 | - | 4.90 | 50,411 |
| The Same Prefixes - Geography | 0 | - | 4.51 | 42,779 |
| "Second Best" Geography Edition #1 | 0 | - | 4.65 | 58,958 |
| Biggest English-Speaking Cities | 0 | - | 4.42 | 136,881 |
| Biggest Cities in Europe | 0 | - | 4.75 | 471,231 |
| Biggest City by Island | 0 | - | 4.57 | 46,001 |
| Biggest Cities in History | 0 | - | 4.50 | 81,444 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 68,356 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 143,149 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.84 | 44,497 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 104,283 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.50 | 40,423 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 70,475 |
| 500 Biggest US Cities | 0 | - | 4.88 | 100,069 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.82 | 53,395 |
| Biggest World Cities in 1850 | 0 | - | 4.63 | 64,944 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 113,468 |
| Biggest Cities Starting With D | 0 | - | 4.49 | 107,696 |
| Biggest Cities Starting With H | 0 | - | 4.57 | 98,746 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 111,636 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 130,269 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 115,778 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,399,924 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 343,571 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 360,242 |
