| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,708 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,950 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,195 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,376,237 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,098 |
| Countries with Megacities | 0 | - | 4.99 | 261,085 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,954 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,032 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,231 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,050 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,905 |
| Find the City #1 | 0 | - | 4.97 | 42,714 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,261 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,708 |
| Countries of the World With a Disappearing Map | 0 | - | 5.00 | 112,275 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.85 | 63,782 |
| ALL First-Level Subdivisions of the World With a Map | 0 | - | 5.00 | 146,642 |
| All First-Level Subdivisions of Europe by Proximity | 0 | - | 4.85 | 76,938 |
| Top World Languages on a Map | 0 | - | 4.93 | 103,019 |
| Official Languages of the World on the Disappearing World Map | 0 | - | 4.99 | 116,352 |
| 407 Islands on the World Map | 0 | - | 4.99 | 35,085 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,615 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,634 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,814 |
| Biggest Cities in the World | 0 | - | 4.91 | 797,041 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,823,486 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,756 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,581 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,476 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,710 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,297 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,396 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,954 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,568 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,043 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,326 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,990 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,041 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,472 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,261 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,552 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,727 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,822 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 62,658 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,423 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,925 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 39,391 |
| World Capitals by Map | 0 | - | 5.00 | 285,726 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,181 |
| Countries of the World in 1900 | 0 | - | 4.89 | 84,635 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 194,823 |
| All Countries by Northernmost Point on Land | 0 | - | 4.89 | 126,144 |
| 20 Countries on an Empty Map #1 | 0 | - | 4.94 | 62,293 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 150,462 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,617 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,427 |
| African East Coast | 0 | - | 4.96 | 95,877 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,807 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,224 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,624 |
| Biggest Cities in the United States | 0 | - | 4.94 | 976,126 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,639 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,836 |
| Boundary Waters | 0 | - | 4.92 | 88,389 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,099 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,940 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,220 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,361 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,292 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,277 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,432 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,514 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,265 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,746 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,002 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,191 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,840 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,095 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,082 |
| Largest City by Island | 0 | - | 4.87 | 71,717 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,814 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,722 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,287 |
| Megacities on a World Map | 0 | - | 4.98 | 253,585 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,237 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,747 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,296 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 77,474 |
| 500 Biggest Cities in the World on a Map | 0 | - | 4.97 | 122,029 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,686 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,120 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,797 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,134 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,103 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,568 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,180 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,456 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,106 |
| Pixelated World Map | 0 | - | 5.00 | 143,190 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 99,525 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,127 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,320 |
| Countries of Europe before World War II with a Map | 0 | - | 4.95 | 53,157 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,816 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,948 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 81,978 |
| Countries Closest to Antarctica on a Map | 0 | - | 4.98 | 80,482 |
| Name a Valid First-Level Subdivision for Every Country | 0 | - | 4.97 | 49,950 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,084 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,136 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,077 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 304,678 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,210 |
| Most Populous Islands | 0 | - | 4.80 | 122,821 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,282 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,510 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,775 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,148 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,327 |
| Largest World's Islands on the World Map | 0 | - | 4.69 | 175,113 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,523 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,580 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,085 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,673 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,366 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,076 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,745 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,937 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,701 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,913 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,916 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,162 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,830 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,612 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,351,337 |
| Landlocked Countries | 0 | - | 4.99 | 419,199 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,966 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 568,670 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,920 |
| Seas on the World Map | 0 | - | 4.96 | 135,167 |
| Seas of the World | 0 | - | 5.00 | 156,463 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,573 |
| 20 Random Countries on an Empty World Map | 0 | - | 4.98 | 123,942 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,513 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,654 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,436 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,544 |
| Population Trivia | 0 | - | 4.32 | 27,475 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,344 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,428 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,052 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,926 |
| Biggest City by Region | 0 | - | 4.50 | 36,130 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,061 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,812 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,428 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,980 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,562 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,159 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,333 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,177 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,035 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,377 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 101,110 |
| All 50k+ Cities in Europe with a Map | 0 | - | 4.95 | 34,673 |
| World Capitals Quiz | 0 | - | 5.00 | 5,065,163 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,098 |
| Himalayan Countries | 0 | - | 4.95 | 137,528 |
| Andean Countries | 0 | - | 4.95 | 83,990 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,261 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,732 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,881 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,382 |
| Danube Countries | 0 | - | 4.97 | 71,694 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,603 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,085 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,695 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,770 |
| European Landlocked Countries | 0 | - | 4.99 | 146,803 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,167 |
| Countries with the Most Species | 0 | - | 4.99 | 102,939 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,308 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,436 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,597 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,322 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,004 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,387 |
| Countries in the Alps | 0 | - | 4.87 | 117,725 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,160 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,413 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,436 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,024 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,132 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,733 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,309 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,211 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,980 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,574 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,499 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,349 |
