| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,792 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,823 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,984 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,390,399 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,751 |
| Countries with Megacities | 0 | - | 4.99 | 266,302 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,472 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,883 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,764 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,992 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,048 |
| Find the City #1 | 0 | - | 4.97 | 43,242 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,981 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 158,546 |
| Countries of the World With a Disappearing Map | 0 | - | 5.00 | 113,659 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 64,437 |
| ALL First-Level Subdivisions of the World With a Map | 0 | - | 5.00 | 149,008 |
| All First-Level Subdivisions of Europe by Proximity | 0 | - | 4.85 | 77,585 |
| Top World Languages on a Map | 0 | - | 4.94 | 103,425 |
| Official Languages of the World on the Disappearing World Map | 0 | - | 4.99 | 117,354 |
| 407 Islands on the World Map | 0 | - | 4.99 | 35,492 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 47,044 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,452,046 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,961 |
| Biggest Cities in the World | 0 | - | 4.92 | 804,075 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,843,801 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,321 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,196 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,736 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,503 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,791 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,070 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,473 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,769 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,711 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,957 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,263 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 149,273 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,603 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,120 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,781 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,508 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,574 |
| Ten Southernmost Megacities | 0 | - | 4.88 | 65,099 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,235 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,982 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 39,911 |
| World Capitals by Map | 0 | - | 5.00 | 288,795 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,725 |
| Countries of the World in 1900 | 0 | - | 4.89 | 85,711 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 196,407 |
| All Countries by Northernmost Point on Land | 0 | - | 4.90 | 127,165 |
| 20 Countries on an Empty Map #1 | 0 | - | 4.94 | 62,725 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 151,858 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,840 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,657 |
| African East Coast | 0 | - | 4.96 | 96,598 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,979 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,358 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,985 |
| Biggest Cities in the United States | 0 | - | 4.94 | 985,011 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,600 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 25,186 |
| Boundary Waters | 0 | - | 4.92 | 88,706 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,360 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,545 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,145 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,838 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,838 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,475 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,219 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,844 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,138 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,500 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,625 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,752 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,123 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,413 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,458 |
| Largest City by Island | 0 | - | 4.87 | 72,319 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,340 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,535 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,027 |
| Megacities on a World Map | 0 | - | 4.98 | 256,394 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,681 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,510 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,883 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 78,370 |
| 500 Biggest Cities in the World on a Map | 0 | - | 4.97 | 123,656 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 35,184 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,476 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,618 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,760 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,433 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,109 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,447 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,784 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,641 |
| Pixelated World Map | 0 | - | 5.00 | 143,929 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,395 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,648 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,780 |
| Countries of Europe before World War II with a Map | 0 | - | 4.95 | 53,977 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,491 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,740 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 82,639 |
| Countries Closest to Antarctica on a Map | 0 | - | 4.98 | 81,221 |
| Name a Valid First-Level Subdivision for Every Country | 0 | - | 4.97 | 50,322 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,298 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,355 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,309 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 306,257 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 581,146 |
| Most Populous Islands | 0 | - | 4.80 | 123,225 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,360 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,613 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,944 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,425 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,720 |
| Largest World's Islands on the World Map | 0 | - | 4.69 | 176,633 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,073 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,795 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,447 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,723 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,756 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,861 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,446 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,856 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,946 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,356 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 348,017 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,042 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,416 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,132 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,771,310 |
| Landlocked Countries | 0 | - | 4.99 | 424,336 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,406 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 584,802 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,752 |
| Seas on the World Map | 0 | - | 4.96 | 135,836 |
| Seas of the World | 0 | - | 5.00 | 158,077 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,043 |
| 20 Random Countries on an Empty World Map | 0 | - | 4.98 | 125,091 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,850 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,276 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,698 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,031 |
| Population Trivia | 0 | - | 4.32 | 27,544 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,732 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,983 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,621 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,117 |
| Biggest City by Region | 0 | - | 4.50 | 36,353 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,286 |
| Biggest Cities by Latitude Range | 0 | - | 4.80 | 32,324 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,255 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,916 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,409 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,509 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,283 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,420 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,494 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,224 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,535 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 102,542 |
| Largest City on Every Continent A-Z | 0 | - | 4.97 | 38,472 |
| All 50k+ Cities in Europe with a Map | 0 | - | 4.95 | 35,391 |
| World Capitals Quiz | 0 | - | 5.00 | 5,098,231 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,571 |
| Himalayan Countries | 0 | - | 4.94 | 139,723 |
| Andean Countries | 0 | - | 4.94 | 85,160 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,335 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,587 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,909 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,191 |
| Danube Countries | 0 | - | 4.97 | 72,258 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,394 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,686 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,825 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,323 |
| European Landlocked Countries | 0 | - | 4.99 | 147,443 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,054 |
| Countries with the Most Species | 0 | - | 4.99 | 103,463 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,188 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,704 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,816 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,733 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,464 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,891 |
| Countries in the Alps | 0 | - | 4.87 | 118,560 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,253 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,576 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,848 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,859 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,785 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,123 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,063 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,725 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,332 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,052 |
