| Independence from Whom | 0 | - | 4.99 | 212,647 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,138 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,717 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,819 |
| Battle to Country | 0 | - | 4.91 | 53,757 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,751,017 |
| Majority Muslim Countries | 0 | - | 4.98 | 376,753 |
| NATO Countries | 0 | - | 4.98 | 282,610 |
| EU Countries Quiz | 0 | - | 4.99 | 276,871 |
| Recently Independent Countries | 0 | - | 4.98 | 159,744 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 290,400 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 275,825 |
| Top Five Countries by Religion | 0 | - | 4.93 | 172,873 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,427 |
| Countries with NO Military | 0 | - | 4.97 | 62,950 |
| Countries of the World in 1900 | 0 | - | 4.89 | 85,651 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 196,317 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 151,790 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,956 |
| Countries by Former Name | 0 | - | 4.99 | 125,609 |
| Historical City to Country | 0 | - | 4.85 | 78,782 |
| 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 |
| Landlocked Countries | 0 | - | 4.99 | 424,076 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,162 |
| 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 | 67,435 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,749 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,607 |
| Coldest World Capitals | 0 | - | 4.95 | 134,067 |
| Countries Settled by Vikings | 0 | - | 4.92 | 121,927 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,309 |
| 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 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 322,953 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,624 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,853 |
| Buddhist Countries | 0 | - | 4.96 | 144,864 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,349 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 336,510 |
| Coldest Countries | 0 | - | 4.97 | 139,225 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,400 |
| Countries with the Least Precipitation | 0 | - | 4.90 | 82,960 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,793,616 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,451 |
| Himalayan Countries | 0 | - | 4.94 | 139,618 |
| Andean Countries | 0 | - | 4.94 | 85,105 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,293 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,524 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,861 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,153 |
| Countries in World War I | 0 | - | 4.88 | 228,823 |
| Danube Countries | 0 | - | 4.97 | 72,233 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,351 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,657 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,763 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,259 |
| European Landlocked Countries | 0 | - | 4.99 | 147,407 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,015 |
| Countries with the Most Species | 0 | - | 4.99 | 103,442 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,792 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,143 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,691 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,802 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,715 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,446 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,864 |
| Countries in the Alps | 0 | - | 4.87 | 118,514 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,160 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,496 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,827 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,832 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,761 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,107 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,953 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,695 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,317 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,030 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,770 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,639 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,407 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,649 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,740 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,418 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,488 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,363 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,425 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,015 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,722 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,398 |
| Largest Countries By Category | 0 | - | 4.97 | 158,578 |
| Countries by Countries | 0 | - | 4.96 | 63,461 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,356 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,929 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,484 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,182 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,685 |
| Island Countries | 0 | - | 4.99 | 711,879 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,052,769 |
| Northernmost Countries | 0 | - | 4.99 | 363,215 |
| Countries of South America | 0 | - | 5.00 | 930,271 |
| Countries of Oceania | 0 | - | 5.00 | 1,060,659 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,884,127 |
| "Land" Countries | 0 | - | 4.98 | 337,951 |
| Countries that Start with A | 0 | - | 4.98 | 2,171,824 |
| Countries that Start with B | 0 | - | 4.95 | 2,302,904 |
| Countries that Start with C | 0 | - | 4.96 | 1,828,701 |
| Countries that Start with D | 0 | - | 4.96 | 714,452 |
| Countries that Start with E | 0 | - | 4.95 | 1,382,766 |
| Countries that Start with G | 0 | - | 4.97 | 1,509,062 |
| Countries that Start with H | 0 | - | 4.96 | 608,159 |
| Countries that Start with I | 0 | - | 4.92 | 1,292,753 |
| Countries that Start with J | 0 | - | 4.98 | 605,638 |
| Countries that Start with K | 0 | - | 4.97 | 819,314 |
| Countries that Start with L | 0 | - | 4.98 | 1,095,025 |
| Countries that Start with N | 0 | - | 4.93 | 1,122,051 |
| Countries that Start with P | 0 | - | 4.94 | 1,220,319 |
| Countries that Start with S | 0 | - | 4.98 | 1,760,754 |
| Countries that Start with T | 0 | - | 4.90 | 1,013,512 |
| Countries that Start with U | 0 | - | 4.97 | 907,410 |
| Countries that Start with V | 0 | - | 4.98 | 611,213 |
| Countries that Start with F | 0 | - | 4.83 | 620,220 |
| Countries that Start with M | 0 | - | 4.97 | 1,386,367 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,103 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,282 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,151 |
| Orthodox Countries | 0 | - | 4.92 | 132,586 |
| Richest Island Countries | 0 | - | 4.85 | 101,030 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,389,402 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,329 |
| Monarchies of Europe | 0 | - | 4.90 | 98,642 |
| Monarchies of Asia | 0 | - | 4.97 | 71,382 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 237,574 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 226,555 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,276 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,672 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,185 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,965 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,914 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,259 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,667 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,788 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 273,923 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,783 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,915 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,307 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,845 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,875 |
| Countries by Independence Day | 0 | - | 4.62 | 52,834 |
| Former Countries by Capital | 0 | - | 4.45 | 127,731 |
| Former Countries | 0 | - | 4.77 | 134,085 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,515 |
| Countries with Megacities | 0 | - | 4.99 | 266,013 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,305 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,773 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,563 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,898 |
| Countries by Official Language | 0 | - | 4.95 | 195,690 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,190 |
| Countries in their Native Language | 0 | - | 4.99 | 199,465 |
| Subdivisions by Country | 0 | - | 4.87 | 50,543 |
| Megadiverse Countries | 0 | - | 4.96 | 135,167 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,502 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,465 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 126,361 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,169 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,395 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,584 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,479 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,759 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,214 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,124 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,279 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,345 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,071 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,487 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,612 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,616 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,767 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,903 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,195 |
| World Map Quiz | 0 | - | 4.81 | 65,400 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,543 |
| Communist Countries in History | 0 | - | 4.63 | 497,468 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,891 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,761 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,387 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,084 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,233 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,364 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,562 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,601 |
| Tallest Countries North to South | 0 | - | 4.86 | 129,604 |
| Widest Countries East to West | 0 | - | 4.92 | 130,255 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,545 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,053 |
