| Countries with Double Letters | 0 | - | 4.96 | 67,966 |
| Countries that End in N | 0 | - | 4.93 | 132,339 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 229,292 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 186,695 |
| Countries with W | 0 | - | 4.97 | 122,465 |
| Countries with Z | 0 | - | 4.98 | 244,002 |
| Countries with Letters Missing | 0 | - | 4.97 | 155,322 |
| Countries That End in U | 0 | - | 4.94 | 107,399 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 89,135 |
| Countries that End in O | 0 | - | 4.92 | 146,797 |
| Countries that End in R | 0 | - | 4.86 | 96,363 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 147,146 |
| Countries Ending in "IA" | 0 | - | 4.99 | 170,980 |
| Countries by Last Two Letters | 0 | - | 4.91 | 116,072 |
| Countries by First and Last Letter #2 | 0 | - | 4.94 | 129,089 |
| Countries That End in Y | 0 | - | 4.90 | 161,557 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 160,524 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 120,562 |
| Countries that End in I | 0 | - | 4.92 | 114,422 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 149,287 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 88,150 |
| Countries That End in NIA | 0 | - | 4.93 | 100,716 |
| Countries That End in BIA | 0 | - | 4.91 | 125,912 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.93 | 153,043 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 109,585 |
| Countries That End in RIA | 0 | - | 4.90 | 100,832 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 100,288 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 200,277 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 119,464 |
| Divided Country Name Puzzle #3 | 0 | - | 4.93 | 110,337 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 77,149 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 92,083 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 96,542 |
| Countries that are Free from U.S.A. | 0 | - | 4.90 | 42,715 |
| Countries with the Word "And" | 0 | - | 4.98 | 83,241 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 40,510 |
| Countries that End in L | 0 | - | 4.95 | 134,133 |
| "Land" Countries | 0 | - | 4.98 | 288,903 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 188,578 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.97 | 65,162 |
| Countries With One Word and Three A's | 0 | - | 4.85 | 30,658 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 322,116 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,809,980 |
| Countries with Four Letters | 0 | - | 4.99 | 375,266 |
| Members of the Arab League | 0 | - | 4.85 | 61,177 |
| Sahara Desert Countries | 0 | - | 4.97 | 126,392 |
| Himalayan Countries | 0 | - | 4.94 | 104,276 |
| Andean Countries | 0 | - | 4.91 | 57,770 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 58,711 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 49,099 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 102,461 |
| Coffee Producing Countries | 0 | - | 4.81 | 53,906 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 53,155 |
| Danube Countries | 0 | - | 4.97 | 56,558 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,591 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,772 |
| Countries with the Best Passports | 0 | - | 4.87 | 70,950 |
| Countries with the Worst Passports | 0 | - | 4.87 | 49,180 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 108,941 |
| European Landlocked Countries | 0 | - | 4.99 | 115,032 |
| Partially Recognized Countries | 0 | - | 4.98 | 89,178 |
| Countries with the Most Species | 0 | - | 4.99 | 89,188 |
| Countries 197 to 205 | 0 | - | 4.88 | 56,222 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,617 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,954 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 48,134 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,330 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 58,628 |
| Countries with a AAA Credit Rating | 0 | - | 4.89 | 49,024 |
| Countries in the Alps | 0 | - | 4.83 | 102,429 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 85,140 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 86,740 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,453 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 78,111 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 93,793 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 87,406 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 89,466 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,049 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,241 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 54,524 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,269 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,505 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,597 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 95,331 |
| Arctic Ocean Countries | 0 | - | 4.93 | 71,830 |
| Countries with the Most Grassland | 0 | - | 4.93 | 69,325 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 97,615 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,243 |
| Countries that Host the Most Refugees | 0 | - | 4.93 | 53,276 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 195,369 |
| World Countries - Blind Typing | 0 | - | 5.00 | 72,478 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,186 |
| Largest Countries By Category | 0 | - | 4.96 | 144,602 |
| Countries by Countries | 0 | - | 4.95 | 54,496 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,057,702 |
| Country Flags with the Most White | 0 | - | 4.90 | 124,059 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,605 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 77,957 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 116,396 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 180,230 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 340,225 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 354,500 |
| Island Countries Quiz | 0 | - | 4.99 | 659,312 |
| Biggest Countries by Area | 0 | - | 5.00 | 931,011 |
| Northernmost Countries | 0 | - | 4.99 | 326,667 |
| Countries of South America | 0 | - | 5.00 | 790,713 |
| Countries of Oceania | 0 | - | 5.00 | 890,507 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,140,491 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,566,848 |
| Countries with J | 0 | - | 4.56 | 171,576 |
| Add A Letter - Make a Country | 0 | - | 4.79 | 67,994 |
| Countries by Consonants | 0 | - | 4.44 | 72,795 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 125,434 |
| Countries with Megacities | 0 | - | 4.99 | 196,580 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 170,987 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 97,625 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 94,911 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 63,579 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 247,223 |
| Countries by Official Language | 0 | - | 4.95 | 154,646 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 248,370 |
| Countries in their Native Language | 0 | - | 4.98 | 177,774 |
| Independence from Whom | 0 | - | 4.99 | 185,110 |
| Subdivisions by Country | 0 | - | 4.82 | 46,378 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 113,155 |
| Megadiverse Countries | 0 | - | 4.96 | 125,174 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 90,827 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 106,542 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.83 | 47,308 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 130,979 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,041 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 77,619 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 144,958 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 76,931 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,280 |
| Countries by Sports League Revenue | 0 | - | 4.88 | 43,597 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 101,492 |
| Countries Furthest from the United States | 0 | - | 4.94 | 71,886 |
| Countries with the Highest HDI | 0 | - | 4.95 | 130,906 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 68,428 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 65,150 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 81,701 |
| World Map Quiz | 0 | - | 4.90 | 49,068 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 112,724 |
| Smallest Countries with at Least One Border | 0 | - | 4.90 | 81,299 |
| Southernmost Countries of the World | 0 | - | 4.99 | 206,373 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 90,715 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 107,789 |
| Countries With the Most Languages | 0 | - | 4.90 | 173,097 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 87,167 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 71,420 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 86,095 |
| Countries with the Most Domestic Camels | 0 | - | 4.92 | 53,764 |
| Tallest Countries North to South | 0 | - | 4.84 | 110,283 |
| Widest Countries East to West | 0 | - | 4.93 | 119,204 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 68,786 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 158,823 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 92,572 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.96 | 85,261 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 118,667 |
| Countries with the Most Desert | 0 | - | 4.92 | 105,019 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,405 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 32,007 |
| City to Country Quiz #1 | 0 | - | 4.94 | 134,163 |
| City to Country Quiz #3 | 0 | - | 4.86 | 100,087 |
| 45 European Countries, 45 Cities | 0 | - | 4.94 | 71,477 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 207,492 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 165,576 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 116,286 |
| Five Smallest Countries by Continent | 0 | - | 4.97 | 132,495 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.92 | 193,193 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 140,683 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 65,796 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.83 | 91,983 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 82,201 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.93 | 55,934 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,309,128 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 348,859 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,056,877 |
| One Border Countries | 0 | - | 4.98 | 409,050 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.75 | 92,943 |
| Most Similar Country Names | 0 | - | 4.15 | 43,607 |
| Longest Country Name A-Z | 0 | - | 4.36 | 36,853 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,385,500 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 65,946 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 244,679 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 108,815 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 89,828 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.93 | 68,579 |
| Countries by National Anthem | 0 | - | 4.95 | 61,792 |
| NATO Countries Quiz | 0 | - | 4.98 | 225,011 |
| EU Countries Quiz | 0 | - | 4.99 | 227,474 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 144,305 |
| Natural Features of Countries #1 | 0 | - | 4.85 | 77,545 |
| Countries That Use the Euro | 0 | - | 4.92 | 62,554 |
| Countries with the Most Military Troops | 0 | - | 4.94 | 225,548 |
| Countries with Nuclear Weapons | 0 | - | 4.89 | 217,123 |
| German-Speaking Countries | 0 | - | 4.88 | 117,419 |
| Countries with Wild Tigers | 0 | - | 4.95 | 110,732 |
| Countries with Wild Penguins | 0 | - | 4.93 | 90,065 |
