| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,384 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,790 |
| Countries with Megacities | 0 | - | 4.99 | 250,397 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,646 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,858 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,946 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,841 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,442,455 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,504 |
| The Only African Country ... | 0 | - | 4.98 | 128,881 |
| The Only American Country ... | 0 | - | 4.92 | 121,362 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,038 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,475 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,270 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,602 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,224 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,294 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,851 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,937 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,298 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,465 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,132 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,632 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,918 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,104 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,662 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,042 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,029 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,249 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,127 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,399 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,029 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,718 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,826 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,573 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,806 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,305 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,403 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,936 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,555 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,137 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,989 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,278 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,545 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 77,891 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 82,962 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 87,212 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 108,739 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 87,378 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,748 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,101 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,291 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,824 |
| Large Countries with Small Economies | 0 | - | 4.95 | 80,725 |
| The Only Asian Country ... | 0 | - | 4.69 | 122,253 |
| Countries by Wikipedia Descriptions #1 | 0 | - | 4.93 | 65,258 |
| Countries by Wikipedia Descriptions #4 | 0 | - | 4.87 | 56,874 |
| Biggest Cities in the World | 0 | - | 4.91 | 796,062 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,388 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,460 |
| Which European Country - Multiple Choice | 0 | - | 4.51 | 84,302 |
| Which Asian Country? | 0 | - | 4.64 | 57,530 |
| Which African Country? | 0 | - | 4.58 | 36,332 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,643 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,392 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,777 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 223,914 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,789 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,554 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,277 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,126 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,179 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,359 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,600 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,711 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,167 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,299 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,715 |
| Biggest Cities in the United States | 0 | - | 4.93 | 974,832 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,359 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,396 |
| Olympic Host Countries | 0 | - | 4.98 | 200,222 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,526 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,715 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 307,644 |
| The Only European Country ... | 0 | - | 4.91 | 215,840 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,618 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,663 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,549 |
| Countries of Africa | 0 | - | 5.00 | 2,528,538 |
| Countries Ending in "IA" by Clue #1 | 0 | - | 4.74 | 70,394 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,780 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,199 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,955 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,886 |
| Largest City by Island | 0 | - | 4.87 | 71,602 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,731 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,579 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,181 |
| Megacities on a World Map | 0 | - | 4.98 | 253,013 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 576,614 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,164 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,617 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,064 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,004 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,325,675 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,018 |
| Countries of the Middle East | 0 | - | 4.96 | 200,643 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,934 |
| Slavic Countries | 0 | - | 4.96 | 111,437 |
| African Island Countries | 0 | - | 4.96 | 101,368 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,769 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,703 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 46,283 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,019,927 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,597 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,220 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,089 |
| Which South American Country? | 0 | - | 4.69 | 51,885 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,741 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,575 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,372 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,472 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,491 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,049 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,913 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,341 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,939 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,925 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,770 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,019 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,926 |
| Most Populous Islands | 0 | - | 4.80 | 122,746 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,267 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,488 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,622 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,627 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,533 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,848 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,486 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,004 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,742 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,216 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,686 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,991 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,889 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,894 |
| Monarchies of Europe | 0 | - | 4.90 | 97,892 |
| Monarchies of Asia | 0 | - | 4.97 | 70,936 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 57,206 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,750 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,186 |
| Countries that Start with A | 0 | - | 4.98 | 2,157,747 |
| Countries that Start with B | 0 | - | 4.95 | 2,289,744 |
| Countries that Start with C | 0 | - | 4.96 | 1,818,294 |
| Countries that Start with D | 0 | - | 4.96 | 706,991 |
| Countries that Start with E | 0 | - | 4.95 | 1,374,115 |
| Countries that Start with G | 0 | - | 4.97 | 1,499,745 |
| Countries that Start with H | 0 | - | 4.96 | 602,563 |
| Countries that Start with I | 0 | - | 4.92 | 1,285,568 |
| Countries that Start with J | 0 | - | 4.98 | 600,447 |
| Countries that Start with K | 0 | - | 4.97 | 813,547 |
| Countries that Start with L | 0 | - | 4.98 | 1,088,332 |
| Countries that Start with N | 0 | - | 4.93 | 1,115,279 |
| Countries that Start with P | 0 | - | 4.94 | 1,213,765 |
| Countries that Start with S | 0 | - | 4.98 | 1,751,605 |
| Countries that Start with T | 0 | - | 4.90 | 1,008,074 |
| Countries that Start with U | 0 | - | 4.97 | 903,012 |
| Countries that Start with V | 0 | - | 4.98 | 608,106 |
| Countries that Start with F | 0 | - | 4.83 | 615,911 |
| Countries that Start with M | 0 | - | 4.97 | 1,378,966 |
| Countries by Wikipedia Descriptions #2 | 0 | - | 4.43 | 47,508 |
| Countries by Wikipedia Descriptions #3 | 0 | - | 4.55 | 39,316 |
| Countries by Wikipedia Descriptions #5 | 0 | - | 4.75 | 43,006 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,598 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,633 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,189 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,727 |
| European Countries with One Border | 0 | - | 4.97 | 182,441 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,255 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,952 |
| Boundary Waters | 0 | - | 4.92 | 88,349 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,055 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,863 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,091 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,297 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,766 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,368 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,743 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,423 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,822 |
| UK Immigration by Country | 0 | - | 4.94 | 140,601 |
| Central American Countries | 0 | - | 4.98 | 155,823 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,262 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,658 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,928 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,350 |
| African Countries with the Most Muslims | 0 | - | 4.80 | 100,735 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,035 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,483 |
