| Independence from Whom | 0 | - | 4.99 | 210,902 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,409 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,256 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,660 |
| Country by Photo of its Leader | 0 | - | 4.74 | 123,659 |
| National Founders | 0 | - | 4.40 | 83,745 |
| Recently Independent Countries | 0 | - | 4.98 | 158,431 |
| Countries of the World in 1900 | 0 | - | 4.89 | 84,221 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 194,233 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 149,929 |
| Countries by Former Name | 0 | - | 4.99 | 124,716 |
| Historical City to Country | 0 | - | 4.84 | 78,345 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,192,231 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,991 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,844 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 75,798 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 89,510 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,955 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,211 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,781 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,128 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,249 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,382 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,430 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 99,224 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,244 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 60,054 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.92 | 71,651 |
| Political Movements by Country | 0 | - | 4.46 | 72,403 |
| Landlocked Countries | 0 | - | 4.99 | 417,016 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 82,275 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,743,281 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,482 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,357 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,454 |
| Battle to Country | 0 | - | 4.91 | 52,965 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,278 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,974 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,036 |
| Island Countries | 0 | - | 4.99 | 708,976 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,099 |
| Himalayan Countries | 0 | - | 4.95 | 136,659 |
| Andean Countries | 0 | - | 4.95 | 83,564 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,818 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,104 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,486 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,082 |
| Danube Countries | 0 | - | 4.97 | 71,466 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,278 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,879 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,234 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,230 |
| European Landlocked Countries | 0 | - | 4.99 | 146,164 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,826 |
| Countries with the Most Species | 0 | - | 4.99 | 102,213 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,955 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,347 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,527 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,190 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,837 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,215 |
| Countries in the Alps | 0 | - | 4.86 | 117,387 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,936 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,988 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,280 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,778 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,868 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,290 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,033 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,017 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,841 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,381 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,383 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,221 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,761 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,029 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,034 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,787 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,919 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,452 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,282 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,213 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,671 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,850 |
| Largest Countries By Category | 0 | - | 4.97 | 157,321 |
| Countries by Countries | 0 | - | 4.96 | 62,631 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,986 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,371,394 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,922 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,091 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,127 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,043,772 |
| Northernmost Countries | 0 | - | 4.99 | 359,560 |
| Countries of South America | 0 | - | 5.00 | 920,198 |
| Countries of Oceania | 0 | - | 5.00 | 1,047,686 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,859,973 |
| "Land" Countries | 0 | - | 4.98 | 334,817 |
| Countries by Independence Day | 0 | - | 4.61 | 52,681 |
| Former Countries by Capital | 0 | - | 4.45 | 127,269 |
| Former Countries | 0 | - | 4.75 | 133,006 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,483 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,746 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,214 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,166 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,813 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 119,876 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 80,055 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 76,722 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 75,985 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 153,998 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 73,169 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 54,830 |
| Communist Countries in History | 0 | - | 4.63 | 494,071 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,440,479 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,999 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,422 |
| Countries with Megacities | 0 | - | 4.99 | 249,247 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,282 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,625 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,591 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,603 |
| Countries by Official Language | 0 | - | 4.95 | 194,107 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,908 |
| Countries in their Native Language | 0 | - | 4.99 | 197,722 |
| Subdivisions by Country | 0 | - | 4.86 | 50,215 |
| Megadiverse Countries | 0 | - | 4.96 | 134,574 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,922 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,089 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,060 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,651 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,956 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,483 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,579 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,393 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,814 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,375 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,599 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,700 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,665 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,878 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,228 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,673 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,464 |
| World Map Quiz | 0 | - | 4.81 | 64,170 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 154,597 |
| Countries in an Empty Ring of the World Map | 0 | - | 4.92 | 126,033 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,741 |
| Countries of Europe After World War II | 0 | - | 4.99 | 187,720 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,949 |
| Country Picture Puzzle Game #1 | 0 | - | 4.86 | 85,991 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,121 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,708 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,439 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,794 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,309 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,496 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,662 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,166 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,733 |
| Widest Countries East to West | 0 | - | 4.92 | 129,180 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,336 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,704 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,936 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,977 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,012 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,392 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,130 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,684 |
| Countries with Double Letters | 0 | - | 4.96 | 94,296 |
| Countries that End in N | 0 | - | 4.95 | 167,819 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 262,724 |
| Countries with Six Letters | 0 | - | 4.93 | 211,334 |
| Countries with W | 0 | - | 4.97 | 158,949 |
| Countries with Z | 0 | - | 4.98 | 288,952 |
| Countries with Letters Missing | 0 | - | 4.97 | 185,153 |
| Countries That End in U | 0 | - | 4.95 | 120,025 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,253 |
| Countries that End in O | 0 | - | 4.92 | 158,931 |
| Countries that End in R | 0 | - | 4.87 | 118,546 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,321 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,846 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,796 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,849 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,430 |
| Countries That End in Y | 0 | - | 4.90 | 185,466 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,905 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,137 |
| Countries that End in I | 0 | - | 4.94 | 134,703 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,746 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,432 |
| Countries That End in NIA | 0 | - | 4.92 | 109,321 |
| Countries That End in BIA | 0 | - | 4.93 | 148,607 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,462 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,810 |
| Countries That End in RIA | 0 | - | 4.93 | 126,374 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,379 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,167 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,905 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,241 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,849 |
