| Countries of the World in 1444 | 0 | - | 4.98 | 59,801 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,062 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,395 |
| Countries of the World in 1900 | 0 | - | 4.89 | 83,981 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 193,892 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 149,590 |
| Independence from Whom | 0 | - | 4.99 | 210,312 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,168 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,159 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,433 |
| Countries by Founding Story | 0 | - | 4.95 | 76,781 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,810,105 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,388 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,401 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,599,593 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.74 | 45,271 |
| Modern-Day Countries of the Mayan Civilization | 0 | - | 4.77 | 33,133 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,095,524 |
| Recently Independent Countries | 0 | - | 4.98 | 158,269 |
| Countries by Former Name | 0 | - | 4.99 | 124,582 |
| Historical City to Country | 0 | - | 4.84 | 78,268 |
| Landlocked Countries | 0 | - | 4.99 | 415,783 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 559,278 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 42,870 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,661 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,591 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,472 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,843 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,728 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,970 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,460 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,034 |
| Pixelated World Map | 0 | - | 5.00 | 142,773 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,339 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,131 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,734,360 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 81,587 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,494 |
| Himalayan Countries | 0 | - | 4.95 | 136,133 |
| Andean Countries | 0 | - | 4.95 | 83,252 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,562 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,746 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,259 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,889 |
| Danube Countries | 0 | - | 4.97 | 71,308 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,072 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,759 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,965 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,914 |
| European Landlocked Countries | 0 | - | 4.99 | 146,015 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,613 |
| Countries with the Most Species | 0 | - | 4.99 | 95,375 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,742 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,289 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,454 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,097 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,746 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,117 |
| Countries in the Alps | 0 | - | 4.86 | 117,197 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,814 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,693 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,192 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,637 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,441 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,185 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,872 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,928 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,734 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,263 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,300 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,165 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,655 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,920 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,925 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,563 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,829 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,369 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,101 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,507 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,345 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,761 |
| Largest Countries By Category | 0 | - | 4.97 | 157,122 |
| Countries by Countries | 0 | - | 4.96 | 62,495 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,752 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,046 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,392 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,443 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,339 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,010 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,194 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,284 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,048 |
| Island Countries | 0 | - | 4.99 | 708,513 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,042,329 |
| Northernmost Countries | 0 | - | 4.99 | 358,940 |
| Countries of South America | 0 | - | 5.00 | 918,529 |
| Countries of Oceania | 0 | - | 5.00 | 1,045,172 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,855,858 |
| "Land" Countries | 0 | - | 4.98 | 334,221 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,836 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,368,299 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,670 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,344 |
| Battle to Country | 0 | - | 4.91 | 52,774 |
| Countries by Independence Day | 0 | - | 4.61 | 52,658 |
| Former Countries by Capital | 0 | - | 4.45 | 127,201 |
| Former Countries | 0 | - | 4.75 | 132,903 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,038 |
| Countries with Megacities | 0 | - | 4.99 | 248,479 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,922 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,424 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,311 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,366 |
| Countries by Official Language | 0 | - | 4.95 | 193,576 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,084 |
| Countries in their Native Language | 0 | - | 4.99 | 197,297 |
| Subdivisions by Country | 0 | - | 4.86 | 50,164 |
| Megadiverse Countries | 0 | - | 4.96 | 134,491 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,475 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,042 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,576 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,927 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,940 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,318 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,479 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,321 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,794 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 76,031 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,544 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,646 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,613 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,817 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,145 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,016 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,271 |
| World Map Quiz | 0 | - | 4.81 | 63,898 |
| Empty World Map without 20 Random Countries | 0 | - | 4.93 | 135,906 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 153,947 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,635 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.85 | 63,419 |
| Countries by Road Signs | 0 | - | 4.98 | 53,322 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,890 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,583 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,297 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,473 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,169 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,365 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,557 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,102 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,576 |
| Widest Countries East to West | 0 | - | 4.92 | 129,074 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,302 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,555 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,669 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,901 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,893 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,275 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 76,917 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,654 |
| Countries With the Tallest People | 0 | - | 4.91 | 94,652 |
| Countries with Double Letters | 0 | - | 4.96 | 93,778 |
| Countries that End in N | 0 | - | 4.94 | 157,213 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,156 |
| Countries with Six Letters | 0 | - | 4.93 | 210,799 |
| Countries with W | 0 | - | 4.97 | 158,477 |
| Countries with Z | 0 | - | 4.98 | 288,357 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,833 |
| Countries That End in U | 0 | - | 4.95 | 119,652 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,971 |
| Countries that End in O | 0 | - | 4.92 | 158,688 |
| Countries that End in R | 0 | - | 4.87 | 118,400 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,954 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,512 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,610 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,701 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,259 |
| Countries That End in Y | 0 | - | 4.90 | 185,311 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,697 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,971 |
| Countries that End in I | 0 | - | 4.94 | 134,579 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,561 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,341 |
| Countries That End in NIA | 0 | - | 4.92 | 109,189 |
| Countries That End in BIA | 0 | - | 4.92 | 148,243 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,322 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,686 |
| Countries That End in RIA | 0 | - | 4.93 | 126,240 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,224 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,872 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,748 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,101 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,650 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,062 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,336 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,850 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,745 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,926 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,400 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 53,066 |
| Countries that End in L | 0 | - | 4.94 | 156,193 |
