| Independence from Whom | 0 | - | 4.99 | 188,201 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 115,040 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,668 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 79,181 |
| Battle to Country | 0 | - | 4.92 | 36,470 |
| Majority Muslim Countries | 0 | - | 4.97 | 316,340 |
| NATO Countries Quiz | 0 | - | 4.98 | 228,350 |
| EU Countries Quiz | 0 | - | 4.99 | 230,443 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 145,819 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 228,572 |
| Countries with Nuclear Weapons | 0 | - | 4.89 | 233,810 |
| Top Five Countries by Religion | 0 | - | 4.90 | 144,873 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 127,274 |
| Countries with NO Military | 0 | - | 4.97 | 50,578 |
| Countries of the World in 1900 | 0 | - | 4.88 | 67,931 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 172,833 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 130,055 |
| Countries by Number of Books Published | 0 | - | 4.95 | 64,464 |
| Countries by Former Name | 0 | - | 4.99 | 114,943 |
| Historical City to Country | 0 | - | 4.82 | 72,852 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,541,876 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 331,923 |
| Most Populous Countries by Year | 0 | - | 4.81 | 95,158 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 110,526 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.85 | 69,176 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 76,748 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 54,087 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 67,437 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 87,849 |
| Countries in World War I | 0 | - | 4.88 | 211,563 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 210,484 |
| Countries Settled by Vikings | 0 | - | 4.93 | 112,366 |
| Countries with the Most Christians | 0 | - | 4.93 | 123,549 |
| Countries with the Most Tanks | 0 | - | 4.89 | 76,455 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 42,380 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 67,221 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,145,882 |
| Warsaw Pact Countries | 0 | - | 4.84 | 80,766 |
| Least Christian Countries with Exceptions | 0 | - | 4.89 | 74,194 |
| Buddhist Countries | 0 | - | 4.97 | 131,848 |
| Countries of Europe in 1444 | 0 | - | 4.93 | 88,240 |
| Countries with the Most Millionaires | 0 | - | 4.85 | 85,630 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,208,986 |
| Most Populous Countries in 1900 | 0 | - | 4.92 | 163,103 |
| Members of the Arab League | 0 | - | 4.85 | 65,331 |
| Sahara Desert Countries | 0 | - | 4.97 | 129,473 |
| Himalayan Countries | 0 | - | 4.94 | 107,690 |
| Andean Countries | 0 | - | 4.91 | 59,771 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 60,845 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,514 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 103,905 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,681 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 54,013 |
| Danube Countries | 0 | - | 4.96 | 57,091 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,106 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,191 |
| Countries with the Best Passports | 0 | - | 4.87 | 72,365 |
| Countries with the Worst Passports | 0 | - | 4.89 | 50,146 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 110,444 |
| European Landlocked Countries | 0 | - | 4.99 | 136,824 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,544 |
| Countries with the Most Species | 0 | - | 4.99 | 89,782 |
| Countries 197 to 205 | 0 | - | 4.87 | 57,037 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,924 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,231 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 48,858 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,762 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 59,012 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 49,721 |
| Countries in the Alps | 0 | - | 4.84 | 103,558 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 86,165 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 88,845 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 72,090 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,168 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,688 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 88,148 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,311 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,612 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,606 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,221 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,984 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,904 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,927 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,349 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,489 |
| Countries with the Most Grassland | 0 | - | 4.94 | 70,054 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 99,894 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,793 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 53,876 |
| Catholic Countries Quiz | 0 | - | 4.81 | 198,987 |
| Countries with the Most Catholics | 0 | - | 4.91 | 95,032 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 200,755 |
| World Countries - Blind Typing | 0 | - | 5.00 | 74,695 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,694 |
| Largest Countries By Category | 0 | - | 4.97 | 146,064 |
| Orthodox Countries | 0 | - | 4.91 | 118,992 |
| Countries by Countries | 0 | - | 4.96 | 55,350 |
| Richest Island Countries | 0 | - | 4.87 | 89,057 |
| Flags of Countries of the World in 1910 | 0 | - | 4.95 | 69,860 |
| Monarchies of Europe | 0 | - | 4.88 | 87,843 |
| Monarchies of Asia | 0 | - | 4.95 | 54,609 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 287,126 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 209,898 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 200,741 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 170,972 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.96 | 107,568 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 59,079 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 79,243 |
| Countries with the Most Billionaires | 0 | - | 4.93 | 284,242 |
| Countries with the Most Muslims | 0 | - | 4.93 | 133,130 |
| Countries with the Most Exports | 0 | - | 4.96 | 139,710 |
| Top Crude Oil Producing Countries | 0 | - | 4.90 | 172,657 |
| Countries by Oil Consumption | 0 | - | 4.96 | 112,427 |
| Largest Economies in 2050 | 0 | - | 4.89 | 101,115 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 241,540 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 90,856 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.86 | 67,644 |
| Countries that Start with A | 0 | - | 4.98 | 1,966,892 |
| Countries that Start with B | 0 | - | 4.95 | 2,105,816 |
| Countries that Start with C | 0 | - | 4.96 | 1,666,367 |
| Countries that Start with D | 0 | - | 4.96 | 605,766 |
| Countries that Start with E | 0 | - | 4.95 | 1,247,680 |
| Countries that Start with G | 0 | - | 4.97 | 1,367,652 |
| Countries that Start with H | 0 | - | 4.96 | 516,717 |
| Countries that Start with I | 0 | - | 4.92 | 1,176,219 |
| Countries that Start with J | 0 | - | 4.98 | 519,303 |
| Countries that Start with K | 0 | - | 4.96 | 724,779 |
| Countries that Start with L | 0 | - | 4.98 | 984,451 |
| Countries that Start with N | 0 | - | 4.93 | 1,010,907 |
| Countries that Start with P | 0 | - | 4.95 | 1,113,260 |
| Countries that Start with S | 0 | - | 4.98 | 1,621,099 |
| Countries that Start with T | 0 | - | 4.89 | 921,883 |
| Countries that Start with U | 0 | - | 4.96 | 830,921 |
| Countries that Start with V | 0 | - | 4.98 | 556,583 |
| Countries that Start with F | 0 | - | 4.84 | 546,227 |
| Countries that Start with M | 0 | - | 4.97 | 1,267,628 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 99,800 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 178,730 |
| Most Powerful Countries Bordering Each Other | 0 | - | 4.85 | 50,214 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 77,489 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 343,771 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 360,652 |
| Island Countries Quiz | 0 | - | 4.99 | 666,543 |
| Biggest Countries by Area | 0 | - | 5.00 | 943,535 |
| Northernmost Countries | 0 | - | 4.99 | 330,111 |
| Countries of South America | 0 | - | 5.00 | 805,628 |
| Countries of Oceania | 0 | - | 5.00 | 908,089 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,600,816 |
| Countries by Independence Day Quiz | 0 | - | 4.63 | 44,658 |
| Former Countries by Capital | 0 | - | 4.44 | 104,686 |
| Former Countries | 0 | - | 4.72 | 125,364 |
| Guerrillas by Country | 0 | - | 4.45 | 38,811 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 94,925 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 82,525 |
| Richest Countries A-Z | 0 | - | 4.92 | 89,605 |
| Large Countries with Small Economies | 0 | - | 4.94 | 74,048 |
| Communist Countries in History | 0 | - | 4.65 | 459,622 |
| Top 10 Coldest European Countries | 0 | - | 4.95 | 182,352 |
| Top 10 Hottest European Countries | 0 | - | 4.87 | 116,629 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 117,077 |
| Richest Countries Bordering Each Other | 0 | - | 4.98 | 130,128 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.90 | 88,650 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.96 | 63,502 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,324,032 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 352,399 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 128,234 |
| Countries with Megacities | 0 | - | 4.99 | 200,691 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 174,449 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,360 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 97,539 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 65,358 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 251,651 |
| Countries by Official Language | 0 | - | 4.96 | 174,611 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 252,033 |
| Countries in their Native Language | 0 | - | 4.98 | 179,755 |
| Subdivisions by Country | 0 | - | 4.82 | 46,776 |
| Megadiverse Countries | 0 | - | 4.96 | 126,341 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 92,916 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 107,334 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,705 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 132,644 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 145,833 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,525 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,746 |
| Countries by Sports League Revenue | 0 | - | 4.88 | 44,719 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 102,071 |
| Countries Furthest from the United States | 0 | - | 4.94 | 72,729 |
| Countries with the Highest HDI | 0 | - | 4.95 | 131,240 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 69,185 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 65,816 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,103,052 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 85,160 |
| World Map Quiz | 0 | - | 4.91 | 50,853 |
| Smallest Countries with at Least One Border | 0 | - | 4.90 | 82,390 |
| Southernmost Countries of the World | 0 | - | 4.99 | 209,074 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 92,219 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 109,491 |
| Countries With the Most Languages | 0 | - | 4.91 | 176,520 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 88,432 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 72,731 |
