| Independence from Whom | 0 | - | 4.99 | 210,120 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,039 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,116 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,314 |
| Battle to Country | 0 | - | 4.91 | 52,677 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,046,885 |
| Majority Muslim Countries | 0 | - | 4.98 | 370,772 |
| NATO Countries | 0 | - | 4.98 | 277,189 |
| EU Countries Quiz | 0 | - | 4.99 | 270,872 |
| Recently Independent Countries | 0 | - | 4.98 | 158,194 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 285,697 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 269,412 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,567 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,105 |
| Countries with NO Military | 0 | - | 4.97 | 61,357 |
| Countries of the World in 1900 | 0 | - | 4.89 | 83,838 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 193,652 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 149,377 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,038 |
| Countries by Former Name | 0 | - | 4.99 | 124,506 |
| Historical City to Country | 0 | - | 4.84 | 78,231 |
| Landlocked Countries | 0 | - | 4.99 | 415,254 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,564 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,525 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,426 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,789 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,691 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,945 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,400 |
| Countries Settled by Vikings | 0 | - | 4.93 | 120,988 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,902 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,528 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,894 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,296 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,790 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,319 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,196 |
| Buddhist Countries | 0 | - | 4.96 | 143,195 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 98,955 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 333,434 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,430 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,729,737 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,244 |
| Himalayan Countries | 0 | - | 4.95 | 135,938 |
| Andean Countries | 0 | - | 4.94 | 83,152 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,469 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,602 |
| Coffee Producing Countries | 0 | - | 4.82 | 66,171 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,816 |
| Countries in World War I | 0 | - | 4.88 | 226,885 |
| Danube Countries | 0 | - | 4.97 | 71,252 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,984 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,701 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,837 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,772 |
| European Landlocked Countries | 0 | - | 4.99 | 145,950 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,498 |
| Countries with the Most Species | 0 | - | 4.99 | 95,334 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,731 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,625 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,266 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,437 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,061 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,709 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,066 |
| Countries in the Alps | 0 | - | 4.86 | 117,107 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,743 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,568 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,150 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,572 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,367 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,131 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,782 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,887 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,676 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,200 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,268 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,135 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,608 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,873 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,884 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,438 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,789 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,348 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,009 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,198 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,162 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,717 |
| Largest Countries By Category | 0 | - | 4.97 | 157,007 |
| Countries by Countries | 0 | - | 4.96 | 62,429 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,019 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,925 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,713 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,747 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,704 |
| Island Countries | 0 | - | 4.99 | 708,271 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,041,551 |
| Northernmost Countries | 0 | - | 4.99 | 358,633 |
| Countries of South America | 0 | - | 5.00 | 917,618 |
| Countries of Oceania | 0 | - | 5.00 | 1,043,961 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,853,898 |
| "Land" Countries | 0 | - | 4.98 | 334,075 |
| Countries that Start with A | 0 | - | 4.98 | 2,150,640 |
| Countries that Start with B | 0 | - | 4.95 | 2,283,234 |
| Countries that Start with C | 0 | - | 4.96 | 1,813,022 |
| Countries that Start with D | 0 | - | 4.96 | 703,424 |
| Countries that Start with E | 0 | - | 4.95 | 1,369,733 |
| Countries that Start with G | 0 | - | 4.97 | 1,495,196 |
| Countries that Start with H | 0 | - | 4.96 | 599,491 |
| Countries that Start with I | 0 | - | 4.92 | 1,282,107 |
| Countries that Start with J | 0 | - | 4.98 | 597,541 |
| Countries that Start with K | 0 | - | 4.97 | 810,789 |
| Countries that Start with L | 0 | - | 4.98 | 1,084,642 |
| Countries that Start with N | 0 | - | 4.93 | 1,111,576 |
| Countries that Start with P | 0 | - | 4.94 | 1,210,232 |
| Countries that Start with S | 0 | - | 4.98 | 1,746,949 |
| Countries that Start with T | 0 | - | 4.90 | 1,005,505 |
| Countries that Start with U | 0 | - | 4.97 | 900,968 |
| Countries that Start with V | 0 | - | 4.98 | 606,050 |
| Countries that Start with F | 0 | - | 4.83 | 613,485 |
| Countries that Start with M | 0 | - | 4.97 | 1,375,288 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,775 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,356 |
| Orthodox Countries | 0 | - | 4.91 | 130,657 |
| Richest Island Countries | 0 | - | 4.84 | 99,778 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,366,710 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,268 |
| Monarchies of Europe | 0 | - | 4.90 | 97,529 |
| Monarchies of Asia | 0 | - | 4.97 | 70,721 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 234,111 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 223,289 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,766 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,764 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,535 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,572 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,472 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,756 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,693 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,815 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 266,171 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 103,464 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,903 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,871 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,233 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,697 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,728 |
| Countries by Independence Day | 0 | - | 4.56 | 52,640 |
| Former Countries by Capital | 0 | - | 4.45 | 127,165 |
| Former Countries | 0 | - | 4.75 | 132,853 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,870 |
| Countries with Megacities | 0 | - | 4.99 | 248,110 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,750 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,330 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,134 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,277 |
| Countries by Official Language | 0 | - | 4.95 | 193,149 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,661 |
| Countries in their Native Language | 0 | - | 4.99 | 196,985 |
| Subdivisions by Country | 0 | - | 4.86 | 50,141 |
| Megadiverse Countries | 0 | - | 4.97 | 134,346 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,140 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,006 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,533 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,902 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,872 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,229 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,424 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,294 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,783 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 75,896 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,511 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,613 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,577 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,791 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,118 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,261 |
| Richest Countries A-Z | 0 | - | 4.92 | 102,166 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,093 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,455 |
| World Map Quiz | 0 | - | 4.81 | 63,775 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,571 |
| Communist Countries in History | 0 | - | 4.63 | 493,283 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,761 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,503 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,226 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,271 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,100 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,302 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,489 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,071 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,522 |
| Widest Countries East to West | 0 | - | 4.92 | 129,015 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,282 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,470 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,645 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,859 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,813 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,218 |
| Countries by Contribution to UN Budget | 0 | - | 4.89 | 76,556 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,639 |
