| Battle to Country | 0 | - | 4.91 | 53,746 |
| Independence from Whom | 0 | - | 4.99 | 212,620 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,116 |
| Countries in World War I | 0 | - | 4.88 | 228,803 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,771 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,709 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,791 |
| Recently Independent Countries | 0 | - | 4.98 | 159,733 |
| Countries of the World in 1900 | 0 | - | 4.89 | 85,632 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 196,287 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 151,768 |
| Countries by Former Name | 0 | - | 4.99 | 125,590 |
| Historical City to Country | 0 | - | 4.85 | 78,776 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,744,319 |
| Landlocked Countries | 0 | - | 4.99 | 423,985 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,149 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,716 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,405 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,082 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,428 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,742 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,597 |
| Countries in World War II | 0 | - | 4.54 | 917,028 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,920 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,294 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,622 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,839 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,332 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,793,086 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,094 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,411 |
| Himalayan Countries | 0 | - | 4.94 | 139,581 |
| Andean Countries | 0 | - | 4.94 | 85,086 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,273 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,498 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,839 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,141 |
| Danube Countries | 0 | - | 4.97 | 72,221 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,334 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,647 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,742 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,244 |
| European Landlocked Countries | 0 | - | 4.99 | 147,399 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,005 |
| Countries with the Most Species | 0 | - | 4.99 | 103,434 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,128 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,689 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,800 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,710 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,443 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,857 |
| Countries in the Alps | 0 | - | 4.87 | 118,508 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,121 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,483 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,822 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,822 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,756 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,102 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,942 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,687 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,311 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,028 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,770 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,634 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,399 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,642 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,733 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,399 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,480 |
| Countries that Host the Most Refugees | 0 | - | 4.97 | 65,319 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,134 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,383 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,975 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,701 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,392 |
| Largest Countries By Category | 0 | - | 4.97 | 158,562 |
| Orthodox Countries | 0 | - | 4.92 | 132,571 |
| Countries by Countries | 0 | - | 4.96 | 63,454 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,324 |
| Monarchies of Europe | 0 | - | 4.90 | 98,620 |
| Monarchies of Asia | 0 | - | 4.97 | 71,376 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,028 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,351 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,924 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,175 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,293 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,376 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,153 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,644 |
| Island Countries | 0 | - | 4.99 | 711,837 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,389,132 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,052,645 |
| Northernmost Countries | 0 | - | 4.99 | 363,160 |
| Countries of South America | 0 | - | 5.00 | 930,139 |
| Countries of Oceania | 0 | - | 5.00 | 1,060,518 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,883,851 |
| "Land" Countries | 0 | - | 4.98 | 337,916 |
| Countries by Independence Day | 0 | - | 4.62 | 52,833 |
| Former Countries by Capital | 0 | - | 4.45 | 127,721 |
| Former Countries | 0 | - | 4.77 | 134,077 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,570 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,229 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,043 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 136,507 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,609 |
| Communist Countries in History | 0 | - | 4.63 | 497,425 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,591 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,541 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,621 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,451,468 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,787 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,475 |
| Countries with Megacities | 0 | - | 4.99 | 265,937 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,272 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,762 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,527 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,875 |
| Countries by Official Language | 0 | - | 4.95 | 195,673 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,159 |
| Countries in their Native Language | 0 | - | 4.99 | 199,444 |
| Subdivisions by Country | 0 | - | 4.87 | 50,543 |
| Megadiverse Countries | 0 | - | 4.96 | 135,161 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,464 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,464 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 126,354 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,166 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,386 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,476 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,752 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,209 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,112 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,274 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,338 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,065 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,481 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,608 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,880 |
| World Map Quiz | 0 | - | 4.81 | 65,388 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 158,351 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,542 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,796 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,718 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,368 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,025 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,221 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,345 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,551 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,594 |
| Tallest Countries North to South | 0 | - | 4.86 | 129,408 |
| Widest Countries East to West | 0 | - | 4.92 | 130,232 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,541 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,042 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,446 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,943 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,818 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,219 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,450 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,854 |
| Political Movements by Country | 0 | - | 4.46 | 72,704 |
| Countries with Double Letters | 0 | - | 4.96 | 96,706 |
| Countries that End in N | 0 | - | 4.95 | 171,588 |
| Countries with Five Letters | 0 | - | 4.96 | 283,250 |
| Countries with Six Letters | 0 | - | 4.94 | 214,050 |
| Countries with W | 0 | - | 4.96 | 160,661 |
| Countries with Z | 0 | - | 4.98 | 292,010 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,027 |
| Countries That End in U | 0 | - | 4.95 | 121,036 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 134,823 |
| Countries that End in O | 0 | - | 4.92 | 159,680 |
| Countries that End in R | 0 | - | 4.87 | 119,081 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,837 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,492 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,950 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,667 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,590 |
| Countries That End in Y | 0 | - | 4.91 | 186,006 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,216 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,088 |
| Countries that End in I | 0 | - | 4.94 | 135,224 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,395 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,944 |
| Countries That End in NIA | 0 | - | 4.92 | 109,932 |
| Countries That End in BIA | 0 | - | 4.93 | 149,414 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,347 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,641 |
| Countries That End in RIA | 0 | - | 4.93 | 126,950 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,232 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,141 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,974 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,412 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,962 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,697 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,204 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,495 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,735 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,555 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 54,218 |
| Countries that End in L | 0 | - | 4.94 | 157,003 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 216,785 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,309 |
