| Independence from Whom | 0 | - | 4.99 | 212,995 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,390 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,828 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,073 |
| Battle to Country | 0 | - | 4.91 | 53,926 |
| Majority Muslim Countries | 0 | - | 4.98 | 377,496 |
| NATO Countries | 0 | - | 4.98 | 283,285 |
| EU Countries Quiz | 0 | - | 4.99 | 277,725 |
| Recently Independent Countries | 0 | - | 4.98 | 160,306 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 291,236 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 276,799 |
| Top Five Countries by Religion | 0 | - | 4.93 | 173,275 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,691 |
| Countries with NO Military | 0 | - | 4.97 | 63,350 |
| Countries of the World in 1900 | 0 | - | 4.89 | 85,913 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 196,693 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 152,086 |
| Countries by Number of Books Published | 0 | - | 4.95 | 73,067 |
| Countries by Former Name | 0 | - | 4.99 | 125,787 |
| Historical City to Country | 0 | - | 4.85 | 78,998 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,854,473 |
| Landlocked Countries | 0 | - | 4.99 | 425,428 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 323,662 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 336,851 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,362 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,858 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,502 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,179 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,506 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,846 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,735 |
| Countries in World War I | 0 | - | 4.88 | 229,093 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 230,066 |
| Countries Settled by Vikings | 0 | - | 4.92 | 122,059 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,605 |
| Countries with the Most Tanks | 0 | - | 4.91 | 108,241 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 51,120 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,134 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,680 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,060 |
| Buddhist Countries | 0 | - | 4.96 | 145,044 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,316 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,532 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,629 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,802,403 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,219 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,081 |
| Himalayan Countries | 0 | - | 4.93 | 140,098 |
| Andean Countries | 0 | - | 4.94 | 85,360 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,500 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,888 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,082 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,357 |
| Danube Countries | 0 | - | 4.97 | 72,339 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,528 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,787 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,027 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,535 |
| European Landlocked Countries | 0 | - | 4.99 | 147,565 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,237 |
| Countries with the Most Species | 0 | - | 4.99 | 103,535 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,355 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,761 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,865 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,810 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,544 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,977 |
| Countries in the Alps | 0 | - | 4.87 | 118,727 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,542 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,785 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,939 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,989 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,910 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,216 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,357 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,820 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,392 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,145 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,841 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,719 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,528 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,753 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,856 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,745 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,581 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,746 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,376 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,628 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,542 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,057 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,483 |
| Largest Countries By Category | 0 | - | 4.97 | 158,804 |
| Orthodox Countries | 0 | - | 4.92 | 132,750 |
| Countries by Countries | 0 | - | 4.96 | 63,607 |
| Richest Island Countries | 0 | - | 4.85 | 101,190 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,456 |
| Monarchies of Europe | 0 | - | 4.90 | 98,824 |
| Monarchies of Asia | 0 | - | 4.97 | 71,483 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 238,094 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 227,039 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,659 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,213 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,982 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,388 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,069 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,270 |
| Countries with the Most Muslims | 0 | - | 4.95 | 161,136 |
| Countries with the Most Exports | 0 | - | 4.96 | 156,118 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,436 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,763 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,898 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 274,654 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,951 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 85,048 |
| Countries that Start with A | 0 | - | 4.98 | 2,174,973 |
| Countries that Start with B | 0 | - | 4.95 | 2,305,777 |
| Countries that Start with C | 0 | - | 4.96 | 1,830,911 |
| Countries that Start with D | 0 | - | 4.96 | 716,063 |
| Countries that Start with E | 0 | - | 4.95 | 1,384,636 |
| Countries that Start with G | 0 | - | 4.97 | 1,511,043 |
| Countries that Start with H | 0 | - | 4.96 | 609,310 |
| Countries that Start with I | 0 | - | 4.92 | 1,294,213 |
| Countries that Start with J | 0 | - | 4.98 | 606,687 |
| Countries that Start with K | 0 | - | 4.97 | 820,484 |
| Countries that Start with L | 0 | - | 4.98 | 1,096,437 |
| Countries that Start with N | 0 | - | 4.93 | 1,123,504 |
| Countries that Start with P | 0 | - | 4.94 | 1,221,696 |
| Countries that Start with S | 0 | - | 4.98 | 1,762,675 |
| Countries that Start with T | 0 | - | 4.90 | 1,014,659 |
| Countries that Start with U | 0 | - | 4.97 | 908,288 |
| Countries that Start with V | 0 | - | 4.98 | 611,846 |
| Countries that Start with F | 0 | - | 4.83 | 621,093 |
| Countries that Start with M | 0 | - | 4.97 | 1,387,876 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,489 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 196,073 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 119,049 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,148 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,579 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,517 |
| Island Countries | 0 | - | 4.99 | 712,433 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,392,851 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,054,357 |
| Northernmost Countries | 0 | - | 4.99 | 363,836 |
| Countries of South America | 0 | - | 5.00 | 932,198 |
| Countries of Oceania | 0 | - | 5.00 | 1,062,745 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,888,111 |
| "Land" Countries | 0 | - | 4.98 | 338,316 |
| Countries by Independence Day | 0 | - | 4.62 | 52,855 |
| Former Countries by Capital | 0 | - | 4.45 | 127,794 |
| Former Countries | 0 | - | 4.77 | 134,201 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,790 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,810 |
| Richest Countries A-Z | 0 | - | 4.91 | 104,004 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,281 |
| Communist Countries in History | 0 | - | 4.63 | 498,066 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,843 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,756 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,721 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 154,848 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 100,579 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,665 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,453,658 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,374 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,053 |
| Countries with Megacities | 0 | - | 4.99 | 266,930 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,768 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,071 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,084 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,190 |
| Countries by Official Language | 0 | - | 4.95 | 195,945 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,552 |
| Countries in their Native Language | 0 | - | 4.99 | 199,687 |
| Subdivisions by Country | 0 | - | 4.87 | 50,602 |
| Megadiverse Countries | 0 | - | 4.96 | 135,260 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,899 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,523 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,560 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,220 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,729 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,555 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,943 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,249 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,470 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,358 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,427 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,136 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,564 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,775 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,270 |
| World Map Quiz | 0 | - | 4.81 | 65,662 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 159,082 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,689 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,195 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,036 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,531 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,477 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,403 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,500 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,697 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,674 |
