| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,554 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,523,690 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,062,547 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 440,151 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 157,780 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 111,657 |
| Anagram Chain - Countries | 0 | - | 4.99 | 112,440 |
| Countries of Africa | 0 | - | 5.00 | 2,452,511 |
| Countries with Four Letters | 0 | - | 4.99 | 410,541 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 64,642 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 60,211 |
| Countries of the World Quiz | 0 | - | 5.00 | 45,931,160 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 402,066 |
| Countries of North America Quiz | 0 | - | 5.00 | 991,395 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 696,343 |
| Top Five Countries By Category #2 | 0 | - | 4.92 | 181,809 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 165,903 |
| Country Chain | 0 | - | 4.96 | 213,051 |
| Countries by Emojis | 0 | - | 4.99 | 230,585 |
| Countries With One Word And Two O's | 0 | - | 4.95 | 53,754 |
| Islands by Country #1 | 0 | - | 4.87 | 172,507 |
| Regions of Countries #1 | 0 | - | 4.96 | 157,528 |
| Regions of Countries #2 | 0 | - | 4.95 | 121,799 |
| Regions of Countries #3 | 0 | - | 4.84 | 89,205 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,627,596 |
| Name a Valid Country #3 | 0 | - | 4.99 | 254,258 |
| Name a Valid Country #1 | 0 | - | 4.99 | 271,626 |
| Name a Valid Country #2 | 0 | - | 4.98 | 239,776 |
| Name a Valid Country #4 | 0 | - | 4.97 | 232,294 |
| Name a Valid Country #5 | 0 | - | 4.99 | 184,751 |
| Name a Valid Country #6 | 0 | - | 4.95 | 121,989 |
| Sahara Desert Countries | 0 | - | 4.97 | 155,226 |
| Himalayan Countries | 0 | - | 4.95 | 130,691 |
| Andean Countries | 0 | - | 4.94 | 80,033 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 60,283 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 119,629 |
| Coffee Producing Countries | 0 | - | 4.81 | 63,730 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 62,774 |
| Danube Countries | 0 | - | 4.97 | 63,167 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 100,033 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 84,128 |
| Countries with the Worst Passports | 0 | - | 4.93 | 79,883 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 144,432 |
| European Landlocked Countries | 0 | - | 4.99 | 143,977 |
| Partially Recognized Countries | 0 | - | 4.98 | 102,806 |
| Countries with the Most Species | 0 | - | 4.99 | 94,129 |
| Countries 197 to 205 | 0 | - | 4.88 | 67,207 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 52,673 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 46,859 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 176,881 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 86,926 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,023 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 71,618 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 55,790 |
| Countries in the Alps | 0 | - | 4.87 | 114,708 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 93,179 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 102,572 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,116 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 93,800 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 113,639 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 93,847 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 97,785 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 51,719 |
| Largest Country by Body of Water | 0 | - | 4.96 | 49,473 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 60,849 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 52,555 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 40,346 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 102,278 |
| Arctic Ocean Countries | 0 | - | 4.95 | 77,719 |
| Countries with the Most Grassland | 0 | - | 4.93 | 75,650 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 114,113 |
| Countries with the Most Climate Zones | 0 | - | 4.95 | 66,601 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 118,851 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 58,360 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 42,692 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 232,877 |
| World Countries - Blind Typing | 0 | - | 5.00 | 101,872 |
| Countries in Their Own Alphabet | 0 | - | 4.96 | 46,710 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 109,419 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 87,695 |
| Largest Countries By Category | 0 | - | 4.97 | 154,673 |
| Countries by Countries | 0 | - | 4.96 | 60,863 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 45,761 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 94,503 |
| Small Countries with Large Economies | 0 | - | 4.68 | 88,263 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 311,740 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 229,282 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 218,846 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 186,679 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.96 | 118,952 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,499 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 86,363 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 101,150 |
| Random Countries by Borders | 0 | - | 4.99 | 80,250 |
| Random Name a Valid Country | 0 | - | 4.99 | 199,925 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 367,905 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 393,697 |
| Island Countries Quiz | 0 | - | 4.99 | 702,535 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,329,877 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,022,481 |
| Northernmost Countries | 0 | - | 4.99 | 349,972 |
| Countries of South America | 0 | - | 5.00 | 896,281 |
| Countries of Oceania | 0 | - | 5.00 | 1,016,841 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,804,376 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 128,223 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,468 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,024 |
| Europe Geography Quiz #4 | 0 | - | 4.56 | 69,445 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,498 |
| Asia Geography Quiz #1 | 0 | - | 4.78 | 52,945 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 47,908 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 31,916 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,550 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,412,698 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 371,612 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 167,224 |
| Countries with Megacities | 0 | - | 4.99 | 228,186 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 193,422 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 109,868 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 132,197 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 77,483 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 313,314 |
| Countries by Official Language | 0 | - | 4.95 | 189,576 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 289,279 |
| Countries in their Native Language | 0 | - | 4.99 | 193,550 |
| Independence from Whom | 0 | - | 4.99 | 206,105 |
| Subdivisions by Country | 0 | - | 4.86 | 49,540 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 128,056 |
| Megadiverse Countries | 0 | - | 4.97 | 132,915 |
| Countries With the Most English Speakers | 0 | - | 4.88 | 127,301 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,326 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 123,758 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,433 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.86 | 50,005 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 159,283 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,103 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 90,770 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 151,891 |
| Countries with Multiple Populous Islands | 0 | - | 4.88 | 93,662 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,277 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 72,797 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 106,146 |
| Countries Furthest from the United States | 0 | - | 4.94 | 87,650 |
| Countries with the Highest HDI | 0 | - | 4.95 | 135,772 |
| Straight Shot to the Arctic Circle | 0 | - | 4.87 | 73,851 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 70,108 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 104,915 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 104,425 |
| Southernmost Countries of the World | 0 | - | 4.99 | 223,598 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 102,312 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 120,192 |
| Countries With the Most Languages | 0 | - | 4.89 | 195,960 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 108,248 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 91,695 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 96,905 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 60,082 |
| Tallest Countries North to South | 0 | - | 4.83 | 118,191 |
| Widest Countries East to West | 0 | - | 4.92 | 127,319 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 70,874 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 183,595 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 96,815 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 92,680 |
| Largest Countries as a Percent of Continent | 0 | - | 4.98 | 146,031 |
| Countries with the Most Desert | 0 | - | 4.93 | 125,697 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 68,719 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,280 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 331,131 |
| Countries with Double Letters | 0 | - | 4.97 | 89,454 |
| Countries that End in N | 0 | - | 4.93 | 152,621 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 254,126 |
| Countries with Six Letters Quiz | 0 | - | 4.93 | 206,703 |
| Countries with W | 0 | - | 4.97 | 155,048 |
| Countries with Z | 0 | - | 4.98 | 283,070 |
| Countries with Letters Missing | 0 | - | 4.97 | 181,598 |
| Countries That End in U | 0 | - | 4.95 | 117,650 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 105,851 |
| Countries that End in O | 0 | - | 4.92 | 156,985 |
| Countries that End in R | 0 | - | 4.84 | 101,625 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 153,944 |
| Countries Ending in "IA" | 0 | - | 4.99 | 204,157 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 167,134 |
| Countries by Last Two Letters | 0 | - | 4.87 | 133,121 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 139,055 |
| Countries That End in Y | 0 | - | 4.91 | 184,073 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 194,071 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 149,803 |
| Countries that End in I | 0 | - | 4.93 | 118,817 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 179,873 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 94,206 |
| Countries That End in NIA | 0 | - | 4.92 | 107,791 |
| Countries That End in BIA | 0 | - | 4.92 | 146,144 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 164,194 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 117,121 |
| Countries That End in RIA | 0 | - | 4.92 | 124,826 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 108,564 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 221,763 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 130,622 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 122,826 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 88,465 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 72,990 |