| Independence from Whom | 0 | - | 4.99 | 211,264 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,669 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,364 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,946 |
| Battle to Country | 0 | - | 4.91 | 53,143 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,321,907 |
| Majority Muslim Countries | 0 | - | 4.98 | 373,139 |
| NATO Countries | 0 | - | 4.98 | 279,228 |
| EU Countries Quiz | 0 | - | 4.99 | 272,842 |
| Recently Independent Countries | 0 | - | 4.98 | 158,994 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 287,404 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 271,840 |
| Top Five Countries by Religion | 0 | - | 4.93 | 170,709 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,969 |
| Countries with NO Military | 0 | - | 4.97 | 61,944 |
| Countries of the World in 1900 | 0 | - | 4.89 | 84,549 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 194,711 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 150,366 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,389 |
| Countries by Former Name | 0 | - | 4.99 | 124,902 |
| Historical City to Country | 0 | - | 4.84 | 78,428 |
| Landlocked Countries | 0 | - | 4.99 | 418,741 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,369 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,087 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,067 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,405 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,152 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,430 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,070 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,267 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,770 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,116 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,351 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,644 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 319,736 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,443 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,865 |
| Buddhist Countries | 0 | - | 4.96 | 143,711 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 99,468 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 334,605 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,169 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,755,653 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,912 |
| Himalayan Countries | 0 | - | 4.94 | 137,346 |
| Andean Countries | 0 | - | 4.95 | 83,892 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,189 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,592 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,800 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,321 |
| Countries in World War I | 0 | - | 4.88 | 227,818 |
| Danube Countries | 0 | - | 4.97 | 71,632 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,515 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,034 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,605 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,687 |
| European Landlocked Countries | 0 | - | 4.99 | 146,749 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,101 |
| Countries with the Most Species | 0 | - | 4.99 | 102,886 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,692 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,238 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,428 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,581 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,290 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,969 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,346 |
| Countries in the Alps | 0 | - | 4.87 | 117,652 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,111 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,329 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,395 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,961 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,069 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,434 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,254 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,169 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,951 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,533 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,467 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,330 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,908 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,176 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,193 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,142 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,052 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,561 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,496 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,285 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,174 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,984 |
| Largest Countries By Category | 0 | - | 4.97 | 157,607 |
| Countries by Countries | 0 | - | 4.96 | 62,821 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,176 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,153 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,304 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,809 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,552 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,998 |
| Island Countries | 0 | - | 4.99 | 709,668 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,045,854 |
| Northernmost Countries | 0 | - | 4.99 | 360,384 |
| Countries of South America | 0 | - | 5.00 | 922,656 |
| Countries of Oceania | 0 | - | 5.00 | 1,050,695 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,865,801 |
| "Land" Countries | 0 | - | 4.98 | 335,753 |
| Countries that Start with A | 0 | - | 4.98 | 2,158,676 |
| Countries that Start with B | 0 | - | 4.95 | 2,290,690 |
| Countries that Start with C | 0 | - | 4.96 | 1,819,009 |
| Countries that Start with D | 0 | - | 4.96 | 707,491 |
| Countries that Start with E | 0 | - | 4.95 | 1,374,696 |
| Countries that Start with G | 0 | - | 4.97 | 1,500,342 |
| Countries that Start with H | 0 | - | 4.96 | 602,965 |
| Countries that Start with I | 0 | - | 4.92 | 1,286,036 |
| Countries that Start with J | 0 | - | 4.98 | 600,818 |
| Countries that Start with K | 0 | - | 4.97 | 813,900 |
| Countries that Start with L | 0 | - | 4.98 | 1,088,768 |
| Countries that Start with N | 0 | - | 4.93 | 1,115,716 |
| Countries that Start with P | 0 | - | 4.94 | 1,214,225 |
| Countries that Start with S | 0 | - | 4.98 | 1,752,261 |
| Countries that Start with T | 0 | - | 4.90 | 1,008,409 |
| Countries that Start with U | 0 | - | 4.97 | 903,297 |
| Countries that Start with V | 0 | - | 4.98 | 608,353 |
| Countries that Start with F | 0 | - | 4.83 | 616,210 |
| Countries that Start with M | 0 | - | 4.97 | 1,379,490 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,572 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,064 |
| Orthodox Countries | 0 | - | 4.92 | 131,296 |
| Richest Island Countries | 0 | - | 4.84 | 100,297 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,375,309 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,656 |
| Monarchies of Europe | 0 | - | 4.90 | 97,948 |
| Monarchies of Asia | 0 | - | 4.97 | 70,975 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 235,459 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,469 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,749 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,513 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,774 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,130 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,087 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,398 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,274 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,260 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 270,277 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,026 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,346 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,442 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,880 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,156 |
| Countries by Independence Day | 0 | - | 4.61 | 52,708 |
| Former Countries by Capital | 0 | - | 4.45 | 127,358 |
| Former Countries | 0 | - | 4.75 | 133,140 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,968 |
| Countries with Megacities | 0 | - | 4.99 | 258,489 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,837 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,955 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,120 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,965 |
| Countries by Official Language | 0 | - | 4.95 | 194,605 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,478 |
| Countries in their Native Language | 0 | - | 4.99 | 198,150 |
| Subdivisions by Country | 0 | - | 4.86 | 50,278 |
| Megadiverse Countries | 0 | - | 4.96 | 134,753 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,525 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,175 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,739 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,008 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,687 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,711 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,831 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,471 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,983 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,910 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,702 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,979 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,760 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,137 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,314 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,916 |
| Richest Countries A-Z | 0 | - | 4.91 | 102,738 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,141 |
| Large Countries with Small Economies | 0 | - | 4.95 | 80,763 |
| World Map Quiz | 0 | - | 4.81 | 64,494 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,014 |
| Communist Countries in History | 0 | - | 4.63 | 494,906 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,467 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,907 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,622 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,287 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,499 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,659 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,812 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,252 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,269 |
| Widest Countries East to West | 0 | - | 4.92 | 129,349 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,378 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,937 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,987 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,499 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,203 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,528 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,225 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,724 |
