| Battle to Country | 0 | - | 4.91 | 52,576 |
| Independence from Whom | 0 | - | 4.99 | 209,804 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,837 |
| Countries in World War I | 0 | - | 4.88 | 226,696 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,489 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,032 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,115 |
| Recently Independent Countries | 0 | - | 4.98 | 158,043 |
| Countries of the World in 1900 | 0 | - | 4.89 | 83,596 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 193,313 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 149,016 |
| Countries by Former Name | 0 | - | 4.99 | 124,349 |
| Historical City to Country | 0 | - | 4.84 | 78,158 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,954,546 |
| Landlocked Countries | 0 | - | 4.99 | 414,003 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,334 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,377 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,340 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,678 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,621 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,872 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,290 |
| Countries in World War II | 0 | - | 4.54 | 905,159 |
| Countries Settled by Vikings | 0 | - | 4.93 | 120,884 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,553 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,287 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,983 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 98,789 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,720,462 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,654 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,759 |
| Himalayan Countries | 0 | - | 4.95 | 135,497 |
| Andean Countries | 0 | - | 4.94 | 82,895 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,279 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,293 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,971 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,656 |
| Danube Countries | 0 | - | 4.97 | 71,119 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,818 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,581 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,570 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,475 |
| European Landlocked Countries | 0 | - | 4.99 | 145,803 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,270 |
| Countries with the Most Species | 0 | - | 4.99 | 95,263 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,411 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,212 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,384 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,978 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,602 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,985 |
| Countries in the Alps | 0 | - | 4.86 | 116,899 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,611 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,338 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,042 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,461 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,224 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,043 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,622 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,790 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,454 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,104 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,206 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,066 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,482 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,791 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,783 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,157 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,685 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,280 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,123 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,830 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,523 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,812 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,624 |
| Largest Countries By Category | 0 | - | 4.97 | 156,835 |
| Orthodox Countries | 0 | - | 4.91 | 130,460 |
| Countries by Countries | 0 | - | 4.96 | 62,300 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,120 |
| Monarchies of Europe | 0 | - | 4.90 | 97,378 |
| Monarchies of Asia | 0 | - | 4.97 | 70,635 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,466 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,977 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,812 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,454 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,664 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,566 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,268 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,081 |
| Island Countries | 0 | - | 4.99 | 707,775 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,363,450 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,040,040 |
| Northernmost Countries | 0 | - | 4.99 | 357,964 |
| Countries of South America | 0 | - | 5.00 | 915,506 |
| Countries of Oceania | 0 | - | 5.00 | 1,041,507 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,849,917 |
| "Land" Countries | 0 | - | 4.98 | 333,753 |
| Countries by Independence Day | 0 | - | 4.56 | 52,624 |
| Former Countries by Capital | 0 | - | 4.45 | 127,076 |
| Former Countries | 0 | - | 4.75 | 132,749 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,016 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,341 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,410 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,296 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,138 |
| Communist Countries in History | 0 | - | 4.63 | 492,713 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,305 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,159 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,515 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,816 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,835 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,519 |
| Countries with Megacities | 0 | - | 4.99 | 247,364 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,339 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,131 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,764 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,046 |
| Countries by Official Language | 0 | - | 4.95 | 192,859 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,247 |
| Countries in their Native Language | 0 | - | 4.99 | 196,718 |
| Subdivisions by Country | 0 | - | 4.86 | 50,087 |
| Megadiverse Countries | 0 | - | 4.97 | 133,941 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,887 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,938 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,448 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,870 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,719 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,188 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,230 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,754 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,671 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,444 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,525 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,523 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,709 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,041 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,690 |
| World Map Quiz | 0 | - | 4.81 | 63,572 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 152,917 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,375 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,446 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,133 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,994 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,885 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,912 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,102 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,314 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,969 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,365 |
| Widest Countries East to West | 0 | - | 4.92 | 128,640 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,221 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,277 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,589 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,720 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,673 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,098 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,060 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,596 |
| Political Movements by Country | 0 | - | 4.46 | 72,283 |
| Countries with Double Letters | 0 | - | 4.96 | 93,461 |
| Countries that End in N | 0 | - | 4.94 | 156,960 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,767 |
| Countries with Six Letters | 0 | - | 4.93 | 210,431 |
| Countries with W | 0 | - | 4.97 | 158,279 |
| Countries with Z | 0 | - | 4.98 | 287,968 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,608 |
| Countries That End in U | 0 | - | 4.95 | 119,541 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,660 |
| Countries that End in O | 0 | - | 4.92 | 158,582 |
| Countries that End in R | 0 | - | 4.87 | 118,298 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,874 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,162 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,389 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,535 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,075 |
| Countries That End in Y | 0 | - | 4.90 | 185,226 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,447 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,740 |
| Countries that End in I | 0 | - | 4.94 | 134,454 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,273 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,229 |
| Countries That End in NIA | 0 | - | 4.92 | 109,040 |
| Countries That End in BIA | 0 | - | 4.92 | 147,747 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,123 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,524 |
| Countries That End in RIA | 0 | - | 4.93 | 126,113 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 110,044 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,272 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,551 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,929 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,412 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 73,952 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,161 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,689 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,549 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,832 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 52,863 |
| Countries that End in L | 0 | - | 4.94 | 155,780 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 211,465 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 84,997 |
