| Olympic Host Countries | 0 | - | 4.98 | 200,845 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,191 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,433 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,418 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,344 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 309,751 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,570 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 86,209 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,159 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 47,114 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,611 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 93,215 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,597 |
| Countries with Megacities | 0 | - | 4.99 | 263,753 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,435 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,314 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,708 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,359 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,446,335 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,482 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 178,203 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,838 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,973 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,427 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,357 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 58,411 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,765 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,919 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,972 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,437 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,592 |
| North American Sports Cities | 0 | - | 4.83 | 172,441 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,170 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,900 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,358 |
| The Only European Country ... | 0 | - | 4.91 | 216,828 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,395 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,247 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,672 |
| Countries of Africa | 0 | - | 5.00 | 2,538,931 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,464 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 100,266 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 117,921 |
| Top 10 Countries with the Most Registered Soccer Players | 0 | - | 4.13 | 71,833 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,954 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,686 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,634 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,511 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,952 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,205 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,359 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,054 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,342 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,218 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,786 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,276 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,566 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,288 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,329,211 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,872 |
| Countries of the Middle East | 0 | - | 4.96 | 201,275 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,358 |
| Slavic Countries | 0 | - | 4.96 | 111,721 |
| African Island Countries | 0 | - | 4.96 | 101,691 |
| Olympic Medalists in Ice Hockey | 0 | - | 4.35 | 44,524 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,905 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,021 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,180 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,023,907 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,968 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,555 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,604 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,086 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,736 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,809 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,637 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,271 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,256 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,631 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,304 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,199 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,036 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,310 |
| Boundary Waters | 0 | - | 4.92 | 88,492 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,187 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,144 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,995 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 183,942 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,402 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,865 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,834 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,465 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,340 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,239 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,442 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,784 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,209 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,662 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,944 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,357 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,161 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,116 |
| Monarchies of Europe | 0 | - | 4.90 | 98,189 |
| Monarchies of Asia | 0 | - | 4.97 | 71,118 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,916 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,371 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,919 |
| Countries that Start with A | 0 | - | 4.98 | 2,163,686 |
| Countries that Start with B | 0 | - | 4.95 | 2,295,350 |
| Countries that Start with C | 0 | - | 4.96 | 1,822,867 |
| Countries that Start with D | 0 | - | 4.96 | 710,194 |
| Countries that Start with E | 0 | - | 4.95 | 1,377,833 |
| Countries that Start with G | 0 | - | 4.97 | 1,504,021 |
| Countries that Start with H | 0 | - | 4.96 | 605,180 |
| Countries that Start with I | 0 | - | 4.92 | 1,288,821 |
| Countries that Start with J | 0 | - | 4.98 | 602,832 |
| Countries that Start with K | 0 | - | 4.97 | 816,227 |
| Countries that Start with L | 0 | - | 4.98 | 1,091,228 |
| Countries that Start with N | 0 | - | 4.93 | 1,118,245 |
| Countries that Start with P | 0 | - | 4.94 | 1,216,630 |
| Countries that Start with S | 0 | - | 4.98 | 1,755,531 |
| Countries that Start with T | 0 | - | 4.90 | 1,010,244 |
| Countries that Start with U | 0 | - | 4.97 | 904,835 |
| Countries that Start with V | 0 | - | 4.98 | 609,573 |
| Countries that Start with F | 0 | - | 4.83 | 617,944 |
| Countries that Start with M | 0 | - | 4.97 | 1,382,245 |
| The Only African Country ... | 0 | - | 4.99 | 129,150 |
| The Only American Country ... | 0 | - | 4.92 | 121,664 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,144 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,808 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,906 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,621 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,060 |
| European Countries with One Border | 0 | - | 4.97 | 182,862 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,660 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,253 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,491,595 |
| Boxing Countries | 0 | - | 4.26 | 31,366 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,729 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,474 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,252 |
| Landlocked Countries | 0 | - | 4.99 | 420,893 |
| UK Immigration by Country | 0 | - | 4.94 | 140,966 |
| Central American Countries | 0 | - | 4.98 | 156,526 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,705 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,070 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,268 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,296 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,649 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,241 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,510 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,653 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 134,773 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,238 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,536 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,265 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,111 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 64,305 |
| The Only Remaining Asian Country . . . | 0 | - | 4.64 | 45,855 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,884 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,174 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,080 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,007 |
| Countries That Border Russia | 0 | - | 4.98 | 461,914 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 89,070 |
| Countries Bordering France | 0 | - | 4.83 | 402,704 |
| Countries Bordering Germany | 0 | - | 4.99 | 369,562 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,604 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,142 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,999 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,410 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 261,276 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,065 |
| Name a Valid African Country | 0 | - | 4.98 | 154,152 |
| Germany Country Quiz | 0 | - | 4.83 | 157,942 |
| Russia Country Quiz | 0 | - | 4.83 | 114,532 |
| Japan Country Quiz | 0 | - | 4.93 | 142,546 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,889 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,378 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,087 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,359 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,793 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,452 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,523 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,751 |
| Samoa Country Quiz | 0 | - | 4.81 | 20,830 |
| Syria Country Quiz | 0 | - | 4.81 | 32,796 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,527 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,815 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,707 |
| Palau Country Quiz | 0 | - | 4.90 | 23,021 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,640 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,532 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,235 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,242 |
| World Capitals Quiz | 0 | - | 5.00 | 5,076,481 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,700 |
| Random European Capital to Country | 0 | - | 4.98 | 190,994 |
| Random European Country to Capital | 0 | - | 4.93 | 165,205 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,492 |
