| Islands by Country #1 | 0 | - | 4.87 | 174,529 |
| Regions of Countries #1 | 0 | - | 4.97 | 158,956 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,307 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,355 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,621 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,589,521 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,088,604 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 446,919 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,297 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 116,221 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,301 |
| Countries with Four Letters | 0 | - | 4.99 | 418,721 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,920 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,272 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,947,060 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 335,106 |
| Landlocked Countries | 0 | - | 4.99 | 413,900 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,192 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 78,851 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 711,981 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,391 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,503 |
| Country Chain | 0 | - | 4.96 | 215,808 |
| Countries by Emojis | 0 | - | 4.99 | 236,344 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,148 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,719,586 |
| Name a Valid Country #3 | 0 | - | 4.99 | 259,918 |
| Name a Valid Country #1 | 0 | - | 4.99 | 283,768 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,519 |
| Name a Valid Country #4 | 0 | - | 4.97 | 251,712 |
| Name a Valid Country #5 | 0 | - | 4.99 | 189,897 |
| Name a Valid Country #6 | 0 | - | 4.95 | 126,497 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,709 |
| Himalayan Countries | 0 | - | 4.95 | 135,468 |
| Andean Countries | 0 | - | 4.94 | 82,875 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,265 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,275 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,957 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,645 |
| Danube Countries | 0 | - | 4.97 | 71,107 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,799 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,567 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,548 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,460 |
| European Landlocked Countries | 0 | - | 4.99 | 145,788 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,252 |
| Countries with the Most Species | 0 | - | 4.99 | 95,258 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,394 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,206 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,378 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,493 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,483 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,974 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,594 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,972 |
| Countries in the Alps | 0 | - | 4.86 | 116,873 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,596 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,313 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,033 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,447 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,204 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,032 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,611 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,782 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,411 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,094 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,203 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,056 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,472 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,782 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,775 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,139 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,680 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,387 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,275 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,808 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,478 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,774 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,619 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,365 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,880 |
| Largest Countries By Category | 0 | - | 4.97 | 156,815 |
| Countries by Countries | 0 | - | 4.96 | 62,288 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,736 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,657 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,684 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,941 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,449 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,447 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,518 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,975 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,797 |
| Mountains by Country | 0 | - | 4.64 | 81,552 |
| Islands by Country #2 | 0 | - | 4.80 | 77,012 |
| Random Countries by Borders | 0 | - | 4.99 | 81,704 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,308 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,479 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,216 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,024 |
| Island Countries | 0 | - | 4.99 | 707,743 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,363,205 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,039,896 |
| Northernmost Countries | 0 | - | 4.99 | 357,907 |
| Movies by Country Quiz #1 | 0 | - | 4.17 | 53,253 |
| Movies by Country #2 | 0 | - | 4.20 | 45,624 |
| Countries of South America | 0 | - | 5.00 | 915,334 |
| Countries of Oceania | 0 | - | 5.00 | 1,041,229 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,849,572 |
| "Land" Countries | 0 | - | 4.98 | 333,730 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 378,820 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 134,947 |
| Inventions by Country #1 | 0 | - | 4.46 | 54,892 |
| Airlines by Country | 0 | - | 4.52 | 134,818 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,658 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,797 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,472 |
| Countries with Megacities | 0 | - | 4.99 | 247,307 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,307 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,104 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,736 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,032 |
| Countries by Official Language | 0 | - | 4.95 | 192,835 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,206 |
| Countries in their Native Language | 0 | - | 4.99 | 196,701 |
| Independence from Whom | 0 | - | 4.99 | 209,784 |
| Subdivisions by Country | 0 | - | 4.86 | 50,081 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,819 |
| Megadiverse Countries | 0 | - | 4.97 | 133,928 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,866 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,932 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,439 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,868 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,706 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,028 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,099 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,177 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,228 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,752 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,648 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,441 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,513 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,518 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,706 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,037 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,670 |
| World Map Quiz | 0 | - | 4.81 | 63,543 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,364 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,422 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,042 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,981 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,859 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,900 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,096 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,304 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,960 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,355 |
| Widest Countries East to West | 0 | - | 4.92 | 128,631 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,220 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,266 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,586 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,715 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,665 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,084 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,057 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,593 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,283 |
| Ethnic Groups by Country Quiz #1 | 0 | - | 4.19 | 92,909 |
| Ethnic Groups by Country #2 | 0 | - | 4.29 | 52,633 |
| Countries with Double Letters | 0 | - | 4.96 | 93,443 |
| Countries that End in N | 0 | - | 4.94 | 156,948 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,753 |
| Countries with Six Letters | 0 | - | 4.93 | 210,417 |
| Countries with W | 0 | - | 4.97 | 158,272 |
| Countries with Z | 0 | - | 4.98 | 287,950 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,596 |
| Countries That End in U | 0 | - | 4.95 | 119,540 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,636 |
| Countries that End in O | 0 | - | 4.92 | 158,578 |
| Countries that End in R | 0 | - | 4.87 | 118,291 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,870 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,144 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,376 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,525 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,066 |
| Countries That End in Y | 0 | - | 4.90 | 185,223 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,427 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,725 |
| Countries that End in I | 0 | - | 4.94 | 134,445 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,258 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,218 |
| Countries That End in NIA | 0 | - | 4.92 | 109,030 |
| Countries That End in BIA | 0 | - | 4.92 | 147,741 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,107 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,516 |
| Countries That End in RIA | 0 | - | 4.93 | 126,107 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 110,040 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,250 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,547 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,913 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,398 |
