| Countries that Start with A | 0 | - | 4.98 | 2,171,822 |
| Countries that Start with B | 0 | - | 4.95 | 2,302,900 |
| Countries that Start with C | 0 | - | 4.96 | 1,828,698 |
| Countries that Start with D | 0 | - | 4.96 | 714,449 |
| Countries that Start with E | 0 | - | 4.95 | 1,382,763 |
| Countries that Start with G | 0 | - | 4.97 | 1,509,059 |
| Countries that Start with H | 0 | - | 4.96 | 608,157 |
| Countries that Start with I | 0 | - | 4.92 | 1,292,751 |
| Countries that Start with J | 0 | - | 4.98 | 605,635 |
| Countries that Start with K | 0 | - | 4.97 | 819,311 |
| Countries that Start with L | 0 | - | 4.98 | 1,095,022 |
| Countries that Start with N | 0 | - | 4.93 | 1,122,050 |
| Countries that Start with P | 0 | - | 4.94 | 1,220,318 |
| Countries that Start with S | 0 | - | 4.98 | 1,760,751 |
| Countries that Start with T | 0 | - | 4.90 | 1,013,512 |
| Countries that Start with U | 0 | - | 4.97 | 907,409 |
| Countries that Start with V | 0 | - | 4.98 | 611,213 |
| Countries that Start with F | 0 | - | 4.83 | 620,219 |
| Countries that Start with M | 0 | - | 4.97 | 1,386,364 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,483 |
| Name a Country A-Z | 0 | - | 5.00 | 245,045 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,451,611 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,828 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,514 |
| Countries with Megacities | 0 | - | 4.99 | 266,010 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,302 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,771 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,559 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,897 |
| Countries that Start with R | 0 | - | 4.43 | 449,499 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,544 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,141 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,655 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,469 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,748 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,011 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,423 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,788 |
| One Country By Letter By Continent | 0 | - | 5.00 | 125,137 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,366 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,162 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,830 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,071 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,453 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,580 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,716 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,102 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,569 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,728 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,410 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,092 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,434 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,749 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,604 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,453 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,690 |
| Countries Bordering "U" Countries | 0 | - | 4.82 | 24,766 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,991 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,731 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,373 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,679 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,741 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,816 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,694 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,103 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,700 |
| Monarchies of Europe | 0 | - | 4.90 | 98,641 |
| Monarchies of Asia | 0 | - | 4.97 | 71,382 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,185 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,027 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,876 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,557 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,264 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,748 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,766 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,940 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,411 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,708 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,616 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,766 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,613 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,558 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,629 |
| Biggest Cities in the World | 0 | - | 4.92 | 803,698 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,816 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,124 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 85,893 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 122,605 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,084 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,013 |
| One Capital by Letter by Continent | 0 | - | 4.99 | 17,487 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,288 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,680 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,719 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,646 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,834 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,213 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 149,069 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,563 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,084 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,841 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,732 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,473 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,544 |
| Ten Southernmost Megacities | 0 | - | 4.88 | 65,070 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,195 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,862 |
| Biggest Cities in the United States | 0 | - | 4.94 | 984,574 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,522 |
| Majority Muslim Countries | 0 | - | 4.98 | 376,752 |
| NATO Countries | 0 | - | 4.98 | 282,610 |
| EU Countries Quiz | 0 | - | 4.99 | 276,870 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,268 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 290,399 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 275,825 |
| Top Five Countries by Religion | 0 | - | 4.93 | 172,871 |
| Olympic Host Countries | 0 | - | 4.98 | 201,583 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,617 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,731 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,426 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 312,461 |
| The Only European Country ... | 0 | - | 4.91 | 218,338 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,434 |
| Countries with NO Military | 0 | - | 4.97 | 62,950 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,145 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,956 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,835 |
| Countries of Africa | 0 | - | 5.00 | 2,552,875 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,381 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,411 |
| Largest City by Island | 0 | - | 4.87 | 72,285 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,323 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,506 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,997 |
| Megacities on a World Map | 0 | - | 4.98 | 256,232 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 580,902 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,661 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,476 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,806 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 35,164 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,431 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,499 |
| Coldest World Capitals | 0 | - | 4.95 | 134,067 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,614 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,309 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,208 |
| Countries of the Middle East | 0 | - | 4.96 | 202,263 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,937 |
| Slavic Countries | 0 | - | 4.96 | 112,183 |
| Countries with the Most Tanks | 0 | - | 4.91 | 108,001 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,899 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,049 |
| African Island Countries | 0 | - | 4.96 | 102,237 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 322,953 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,079 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,853 |
| Buddhist Countries | 0 | - | 4.96 | 144,864 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,065 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 52,578 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 336,509 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,399 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,028,897 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,568 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,106 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,313 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,949 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,059 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,282 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,350 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,860 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,639 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,833 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,305 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,074 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,716 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,989 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,964 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,619 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,432 |
| World Currency Quiz | 0 | - | 4.92 | 305,680 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,237 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,969 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,348 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,869 |
| India A-Z | 0 | - | 4.42 | 34,245 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,362 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,654 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,034 |
| European Geography By Letter - C | 0 | - | 4.43 | 122,780 |
| European Geography By Letter - D | 0 | - | 4.50 | 110,038 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,711 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,040 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,850 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,361 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,579 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 65,956 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,579 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,104 |
| Asian Geography by Letter - T | 0 | - | 4.52 | 57,567 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,265 |
