| Islands by Country #1 | 0 | - | 4.87 | 164,386 |
| Regions of Countries #1 | 0 | - | 4.96 | 150,339 |
| Regions of Countries #2 | 0 | - | 4.95 | 115,040 |
| Regions of Countries #3 | 0 | - | 4.84 | 84,170 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 95,937 |
| Solve the Secret Country #1 | 0 | - | 4.95 | 132,913 |
| Solve the Secret Country #2 | 0 | - | 4.90 | 90,606 |
| Anagram Chain - Countries | 0 | - | 4.98 | 98,408 |
| Countries but all Vowels are Changed to O | 0 | - | 4.85 | 36,890 |
| Solve the Secret Country #3 | 0 | - | 4.97 | 46,253 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,422,819 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 330,418 |
| Word Scramble - Countries | 0 | - | 4.87 | 1,937,242 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 387,267 |
| Countries with Four Letters | 0 | - | 4.99 | 377,128 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 62,949 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,130,494 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,197,798 |
| Members of the Arab League | 0 | - | 4.85 | 64,777 |
| Sahara Desert Countries | 0 | - | 4.97 | 129,053 |
| Himalayan Countries | 0 | - | 4.95 | 107,002 |
| Andean Countries | 0 | - | 4.91 | 59,524 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 60,580 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,328 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 103,706 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,574 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 53,880 |
| Danube Countries | 0 | - | 4.96 | 57,016 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,032 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,126 |
| Countries with the Best Passports | 0 | - | 4.87 | 72,123 |
| Countries with the Worst Passports | 0 | - | 4.88 | 49,998 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 110,276 |
| European Landlocked Countries | 0 | - | 4.99 | 136,612 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,402 |
| Countries with the Most Species | 0 | - | 4.99 | 89,719 |
| Countries 197 to 205 | 0 | - | 4.87 | 56,907 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,898 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,193 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 48,743 |
| Top Five Countries By Category #2 | 0 | - | 4.92 | 158,612 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,682 |
| Top Five Countries By Category #3 | 0 | - | 4.86 | 144,042 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 58,960 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 49,581 |
| Countries in the Alps | 0 | - | 4.84 | 103,383 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 85,989 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 88,499 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,996 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,054 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,541 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 88,025 |
| Country Chain | 0 | - | 4.95 | 179,507 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,182 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,524 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,549 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,119 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,882 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,839 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,884 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,234 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,392 |
| Countries with the Most Grassland | 0 | - | 4.94 | 69,960 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 99,538 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,709 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 53,785 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 199,797 |
| World Countries - Blind Typing | 0 | - | 5.00 | 74,278 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,613 |
| Largest Countries By Category | 0 | - | 4.97 | 145,842 |
| Countries by Emojis | 0 | - | 4.99 | 208,234 |
| Countries by Countries | 0 | - | 4.96 | 55,212 |
| Countries With One Word And Two O's | 0 | - | 4.90 | 35,448 |
| Country Flags with the Most White | 0 | - | 4.90 | 125,502 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 59,008 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 79,023 |
| Name a Valid Country #3 | 0 | - | 4.98 | 211,493 |
| Name a Valid Country #1 | 0 | - | 4.99 | 230,247 |
| Name a Valid Country #2 | 0 | - | 4.98 | 196,668 |
| Name a Valid Country #4 | 0 | - | 4.97 | 203,676 |
| Name a Valid Country #5 | 0 | - | 4.99 | 162,346 |
| Name a Valid Country #6 | 0 | - | 4.92 | 90,021 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 343,249 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 359,628 |
| Island Countries Quiz | 0 | - | 4.99 | 665,326 |
| Biggest Countries by Area | 0 | - | 5.00 | 941,254 |
| Northernmost Countries | 0 | - | 4.99 | 329,517 |
| Foods by Country of Origin #1 | 0 | - | 4.42 | 315,694 |
| Mountains by Country | 0 | - | 4.72 | 77,295 |
| Islands by Country #2 | 0 | - | 4.79 | 71,332 |
| Countries of South America | 0 | - | 5.00 | 803,281 |
| Countries of Oceania | 0 | - | 5.00 | 905,343 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,595,269 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 164,707 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 78,915 |
| Five Biggest Immigrant Groups by Country #3 | 0 | - | 4.82 | 48,200 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 101,643 |
| Countries with the Most McDonald's Locations | 0 | - | 4.87 | 103,867 |
| Biggest Countries with No McDonald's | 0 | - | 4.85 | 81,050 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.87 | 87,725 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 286,495 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 209,419 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 200,306 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 170,624 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.96 | 107,254 |
| Movies by Country Quiz #1 | 0 | - | 4.15 | 52,141 |
| Movies by Country Quiz #2 | 0 | - | 4.21 | 44,325 |
| Random Countries by Borders | 0 | - | 4.99 | 67,075 |
| Random Name a Valid Country | 0 | - | 4.99 | 172,252 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 127,775 |
| Countries with Megacities | 0 | - | 4.99 | 200,050 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 173,613 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,093 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 97,150 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 65,076 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 250,853 |
| Countries by Official Language | 0 | - | 4.96 | 174,319 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 251,481 |
| Countries in their Native Language | 0 | - | 4.98 | 179,501 |
| Independence from Whom | 0 | - | 4.99 | 187,754 |
| Subdivisions by Country | 0 | - | 4.82 | 46,718 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 114,727 |
| Megadiverse Countries | 0 | - | 4.96 | 126,218 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 92,623 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 107,195 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,654 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 132,434 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,557 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 78,914 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 145,730 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,426 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,696 |
| Countries by Sports League Revenue | 0 | - | 4.88 | 44,553 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 101,990 |
| Countries Furthest from the United States | 0 | - | 4.94 | 72,636 |
| Countries with the Highest HDI | 0 | - | 4.95 | 131,177 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 69,069 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 65,701 |
| Countries of the World in Alphabetical Order | 0 | - | 4.99 | 84,648 |
| World Map Quiz | 0 | - | 4.91 | 50,585 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 116,391 |
| Smallest Countries with at Least One Border | 0 | - | 4.89 | 82,223 |
| Southernmost Countries of the World | 0 | - | 4.99 | 208,677 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 91,996 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 109,245 |
| Countries With the Most Languages | 0 | - | 4.91 | 175,956 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 88,123 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 72,514 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 87,587 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 54,638 |
| Tallest Countries North to South | 0 | - | 4.85 | 111,113 |
| Widest Countries East to West | 0 | - | 4.93 | 120,075 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 69,011 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 159,899 |
| Countries with the Longest Perimeter | 0 | - | 4.81 | 72,429 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 93,037 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 86,202 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 120,106 |
| Countries with the Most Desert | 0 | - | 4.92 | 105,809 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,656 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 32,271 |
| Countries with Double Letters | 0 | - | 4.96 | 70,153 |
| Countries that End in N | 0 | - | 4.94 | 134,370 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 231,728 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 189,089 |
| Countries with W | 0 | - | 4.96 | 124,288 |
| Countries with Z | 0 | - | 4.98 | 246,414 |
| Countries with Letters Missing | 0 | - | 4.97 | 168,532 |
| Countries That End in U | 0 | - | 4.95 | 108,403 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 90,958 |
| Countries that End in O | 0 | - | 4.92 | 147,941 |
| Countries that End in R | 0 | - | 4.84 | 96,896 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 147,701 |
| Countries Ending in "IA" | 0 | - | 4.99 | 172,856 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 157,011 |
| Countries by Last Two Letters | 0 | - | 4.90 | 117,204 |
| Countries by First and Last Letter #2 | 0 | - | 4.94 | 130,129 |
| Countries That End in Y | 0 | - | 4.90 | 162,046 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 162,167 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 121,828 |
| Countries that End in I | 0 | - | 4.92 | 114,901 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 150,717 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 89,005 |
| Countries That End in NIA | 0 | - | 4.93 | 101,420 |
| Countries That End in BIA | 0 | - | 4.91 | 126,811 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 154,399 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 110,467 |
| Countries That End in RIA | 0 | - | 4.90 | 101,526 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 101,186 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 203,124 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 120,823 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 111,891 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 78,507 |
| Countries with a Unique Last Letter | 0 | - | 4.91 | 93,287 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 97,554 |
| Countries that are Free from U.S.A. | 0 | - | 4.90 | 43,331 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 41,740 |
| Countries that End in L | 0 | - | 4.95 | 135,324 |
| "Land" Countries | 0 | - | 4.98 | 291,400 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 190,540 |
