| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,515 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,882 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,336 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,360,875 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,955 |
| Countries with Megacities | 0 | - | 4.99 | 246,405 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,870 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,775 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,326 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,729 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,664 |
| Find the City #1 | 0 | - | 4.97 | 42,063 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,419 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 152,385 |
| Countries of the World With a Disappearing Map | 0 | - | 5.00 | 110,867 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 63,046 |
| ALL First-Level Subdivisions of the World With a Map | 0 | - | 5.00 | 144,529 |
| All First-Level Subdivisions of Europe by Proximity | 0 | - | 4.84 | 76,279 |
| Top World Languages on a Map | 0 | - | 4.93 | 102,190 |
| Official Languages of the World on the Disappearing World Map | 0 | - | 4.98 | 115,012 |
| 407 Islands on the World Map | 0 | - | 4.99 | 34,663 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,115 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,126 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,393 |
| Biggest Cities in the World | 0 | - | 4.92 | 789,738 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,798,891 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,056 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,761 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,781 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,799 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,428 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,529 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,190 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,568 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,546 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,693 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,765 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,810 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,403 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,454 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,492 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 52,990 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,098 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,685 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,614 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,444 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 38,871 |
| World Capitals by Map | 0 | - | 5.00 | 282,990 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,620 |
| Countries of the World in 1900 | 0 | - | 4.89 | 83,383 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 193,004 |
| All Countries by Northernmost Point on Land | 0 | - | 4.89 | 124,949 |
| 20 Countries on an Empty Map #1 | 0 | - | 4.94 | 61,720 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 148,683 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,255 |
| Layers of the Earth and Atmosphere | 0 | - | 4.97 | 50,160 |
| African East Coast | 0 | - | 4.96 | 94,974 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,642 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,076 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,411 |
| Biggest Cities in the United States | 0 | - | 4.93 | 965,758 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,595 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,434 |
| Boundary Waters | 0 | - | 4.92 | 88,018 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,793 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,217 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,196 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,796 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,685 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,850 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,111 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,103 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,223 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,823 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,337 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,515 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,245 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,300 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,762 |
| Largest City by Island | 0 | - | 4.87 | 70,986 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,333 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,456 |
| Biggest European Cities by Century | 0 | - | 4.98 | 141,167 |
| Megacities on a World Map | 0 | - | 4.98 | 250,708 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,744 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,798 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,570 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 76,651 |
| 500 Biggest Cities in the World on a Map | 0 | - | 4.96 | 120,075 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,091 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,069 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,372 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,217 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,202 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,552 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,517 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,750 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,148 |
| Pixelated World Map | 0 | - | 5.00 | 142,345 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 98,648 |
| Countries of the World in 1444 | 0 | - | 4.98 | 59,451 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 56,834 |
| Countries of Europe before World War II with a Map | 0 | - | 4.94 | 52,221 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,047 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,016 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 81,260 |
| Name a Valid First-Level Subdivision for Every Country | 0 | - | 4.97 | 49,581 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,664 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,530 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,685 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 302,571 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 572,873 |
| Most Populous Islands | 0 | - | 4.78 | 121,934 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,194 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,398 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,595 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,825 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,889 |
| Largest World's Islands on the World Map | 0 | - | 4.69 | 173,822 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,800 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,884 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,745 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,936 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,787 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,312 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,101 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,908 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,188 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,531 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,784 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,420 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,255 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,529 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,878,213 |
| Landlocked Countries | 0 | - | 4.99 | 413,147 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,325 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 551,540 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,852 |
| Seas on the World Map | 0 | - | 4.96 | 133,754 |
| Seas of the World | 0 | - | 5.00 | 154,199 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,850 |
| 20 Random Countries on an Empty World Map | 0 | - | 4.98 | 122,322 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,127 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,945 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,100 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,392 |
| Population Trivia | 0 | - | 4.32 | 27,416 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,902 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,861 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,889 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,666 |
| Biggest City by Region | 0 | - | 4.50 | 35,982 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,881 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,503 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,071 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,349 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,507 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,001 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,210 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,897 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,721 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,243 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.98 | 99,697 |
| All 50k+ Cities in Europe with a Map | 0 | - | 4.95 | 33,828 |
| World Capitals Quiz | 0 | - | 5.00 | 5,028,119 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,381 |
| Himalayan Countries | 0 | - | 4.95 | 135,157 |
| Andean Countries | 0 | - | 4.94 | 82,730 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,146 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,078 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,818 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,512 |
| Danube Countries | 0 | - | 4.97 | 71,031 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,693 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,485 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,360 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,279 |
| European Landlocked Countries | 0 | - | 4.99 | 145,701 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,108 |
| Countries with the Most Species | 0 | - | 4.99 | 95,215 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,260 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,188 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,351 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,928 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,540 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,897 |
| Countries in the Alps | 0 | - | 4.87 | 116,743 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,512 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,155 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,969 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,364 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,097 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,958 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,510 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,711 |
| Largest Country by Body of Water | 0 | - | 4.96 | 56,870 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,008 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,179 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,013 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,396 |
