| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,547 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,650,013 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,832,669 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,117,929 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 453,055 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 167,886 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 120,151 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,486 |
| Countries with Four Letters | 0 | - | 4.99 | 425,476 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,884 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,728 |
| Landlocked Countries | 0 | - | 4.99 | 425,071 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,880 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,283 |
| Country Chain | 0 | - | 4.96 | 218,342 |
| Countries by Emojis | 0 | - | 4.99 | 241,690 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,510 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 323,530 |
| Islands by Country #1 | 0 | - | 4.90 | 176,253 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,181 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,501 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,352 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,800,335 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 218,697 |
| Name a Valid Country #3 | 0 | - | 4.99 | 265,825 |
| Name a Valid Country #1 | 0 | - | 4.99 | 294,893 |
| Name a Valid Country #2 | 0 | - | 4.98 | 253,944 |
| Name a Valid Country #4 | 0 | - | 4.97 | 258,946 |
| Name a Valid Country #5 | 0 | - | 4.99 | 209,837 |
| Name a Valid Country #6 | 0 | - | 4.95 | 144,705 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 740,880 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,915 |
| Himalayan Countries | 0 | - | 4.93 | 139,978 |
| Andean Countries | 0 | - | 4.94 | 85,292 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,454 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,796 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,022 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,318 |
| Danube Countries | 0 | - | 4.97 | 72,314 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,479 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,754 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,978 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,468 |
| European Landlocked Countries | 0 | - | 4.99 | 147,528 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,185 |
| Countries with the Most Species | 0 | - | 4.99 | 103,519 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,316 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,741 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,850 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,787 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,521 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,954 |
| Countries in the Alps | 0 | - | 4.87 | 118,685 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,478 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,732 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,916 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,958 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,878 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,186 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,316 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,809 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,372 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,116 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,820 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,692 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,496 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,733 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,827 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,677 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,561 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,687 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,584 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,439 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,984 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,470 |
| Largest Countries By Category | 0 | - | 4.97 | 158,760 |
| Countries by Countries | 0 | - | 4.96 | 63,579 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,183 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,378 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,653 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,037 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,924 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,489 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,348 |
| Island Countries | 0 | - | 4.99 | 712,308 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,054,041 |
| Northernmost Countries | 0 | - | 4.99 | 363,707 |
| Countries of South America | 0 | - | 5.00 | 931,772 |
| Countries of Oceania | 0 | - | 5.00 | 1,062,244 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,887,216 |
| "Land" Countries | 0 | - | 4.98 | 338,246 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,653 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,661 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,606 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 111,042 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,861 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,392,230 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,347 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,587 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 237,997 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 226,947 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,579 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,922 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,489 |
| Random Countries by Borders | 0 | - | 4.99 | 83,014 |
| Random Name a Valid Country | 0 | - | 4.99 | 206,486 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,990 |
| Countries with Megacities | 0 | - | 4.99 | 266,792 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,689 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,023 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,000 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,144 |
| Countries by Official Language | 0 | - | 4.95 | 195,883 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,481 |
| Countries in their Native Language | 0 | - | 4.99 | 199,646 |
| Independence from Whom | 0 | - | 4.99 | 212,928 |
| Subdivisions by Country | 0 | - | 4.87 | 50,590 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,344 |
| Megadiverse Countries | 0 | - | 4.96 | 135,236 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,852 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,508 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 126,414 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,209 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,515 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,808 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,034 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,540 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,794 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,243 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,405 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,346 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,409 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,122 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,556 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,663 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,188 |
| Countries with Shortest Maximum Distances to the Ocean | 0 | - | 4.13 | 31,046 |
| World Map Quiz | 0 | - | 4.81 | 65,587 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 139,799 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 158,944 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,650 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,133 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,001 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,489 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,409 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,359 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,467 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,669 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,651 |
| Tallest Countries North to South | 0 | - | 4.86 | 130,520 |
| Widest Countries East to West | 0 | - | 4.92 | 130,391 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,581 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,184 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,493 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,019 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,933 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,418 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,479 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,882 |
| Countries with Double Letters | 0 | - | 4.96 | 96,955 |
| Countries that End in N | 0 | - | 4.94 | 171,820 |
| Countries with Five Letters | 0 | - | 4.96 | 283,606 |
| Countries with Six Letters | 0 | - | 4.94 | 214,331 |
| Countries with W | 0 | - | 4.96 | 160,853 |
| Countries with Z | 0 | - | 4.98 | 292,308 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,212 |
| Countries That End in U | 0 | - | 4.95 | 121,135 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,015 |
| Countries that End in O | 0 | - | 4.92 | 160,043 |
| Countries that End in R | 0 | - | 4.87 | 119,146 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,902 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,734 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 171,088 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,770 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,706 |
| Countries That End in Y | 0 | - | 4.91 | 186,061 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,385 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,210 |
| Countries that End in I | 0 | - | 4.94 | 135,282 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,551 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,022 |
| Countries That End in NIA | 0 | - | 4.92 | 110,017 |
| Countries That End in BIA | 0 | - | 4.93 | 149,536 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,466 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,730 |
| Countries That End in RIA | 0 | - | 4.93 | 127,025 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,332 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,452 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,106 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,546 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 92,115 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,775 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,291 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,526 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,848 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,622 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,658 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,351 |
| Countries that End in L | 0 | - | 4.94 | 157,078 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 217,783 |
