| Islands by Country #1 | 0 | - | 4.88 | 175,272 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,515 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,866 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,717 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,076 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,622,327 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 165,701 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 118,337 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,489 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,567 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,577 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,445,790 |
| Landlocked Countries | 0 | - | 4.99 | 420,312 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,101,359 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 450,758 |
| Countries with Four Letters | 0 | - | 4.99 | 422,351 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,766,513 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,633 |
| Himalayan Countries | 0 | - | 4.95 | 138,032 |
| Andean Countries | 0 | - | 4.95 | 84,228 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,452 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,260 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,093 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,532 |
| Danube Countries | 0 | - | 4.97 | 71,810 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,753 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,199 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,932 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,352 |
| European Landlocked Countries | 0 | - | 4.99 | 146,945 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,343 |
| Countries with the Most Species | 0 | - | 4.99 | 103,071 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,507 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,493 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,649 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 200,634 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,430 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 182,289 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,111 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,496 |
| Countries in the Alps | 0 | - | 4.87 | 117,936 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 99,036 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,663 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,537 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,430 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,281 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,826 |
| Country Chain | 0 | - | 4.96 | 217,078 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,452 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,322 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,065 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,685 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,557 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,414 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,054 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,334 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,348 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,490 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,163 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,673 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,785 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,083 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,621 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,092 |
| Largest Countries By Category | 0 | - | 4.97 | 157,897 |
| Countries by Emojis | 0 | - | 4.99 | 239,666 |
| Countries by Countries | 0 | - | 4.97 | 62,993 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,918 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 320,600 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,439 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,212 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,504 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,490 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 216,691 |
| Name a Valid Country #3 | 0 | - | 4.99 | 262,994 |
| Name a Valid Country #1 | 0 | - | 4.99 | 289,805 |
| Name a Valid Country #2 | 0 | - | 4.98 | 250,671 |
| Name a Valid Country #4 | 0 | - | 4.97 | 255,547 |
| Name a Valid Country #5 | 0 | - | 4.99 | 206,952 |
| Name a Valid Country #6 | 0 | - | 4.94 | 129,404 |
| Countries by Languages in 90 Seconds | 0 | - | 4.94 | 720,589 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,144 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,000 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,141 |
| Island Countries | 0 | - | 4.99 | 710,316 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,047,674 |
| Northernmost Countries | 0 | - | 4.99 | 361,150 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 336,630 |
| Mountains by Country | 0 | - | 4.56 | 81,772 |
| Islands by Country #2 | 0 | - | 4.80 | 77,419 |
| Countries of South America | 0 | - | 5.00 | 924,863 |
| Countries of Oceania | 0 | - | 5.00 | 1,053,729 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,871,393 |
| "Land" Countries | 0 | - | 4.98 | 336,146 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 180,910 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,189 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,104 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,747 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,461 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,379,234 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,679 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,197 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,065 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 225,040 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,180 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,804 |
| Movies by Country Quiz #1 | 0 | - | 4.17 | 53,348 |
| Movies by Country #2 | 0 | - | 4.20 | 45,736 |
| Random Countries by Borders | 0 | - | 4.99 | 82,429 |
| Random Name a Valid Country | 0 | - | 4.99 | 205,043 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,426 |
| Countries with Megacities | 0 | - | 4.99 | 263,226 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,262 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,224 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,556 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,259 |
| Countries by Official Language | 0 | - | 4.95 | 194,907 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,904 |
| Countries in their Native Language | 0 | - | 4.99 | 198,436 |
| Independence from Whom | 0 | - | 4.99 | 211,678 |
| Subdivisions by Country | 0 | - | 4.86 | 50,353 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,951 |
| Megadiverse Countries | 0 | - | 4.96 | 134,869 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,766 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,250 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,840 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,056 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,892 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,468 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,193 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,928 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,555 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,033 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,319 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,786 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,086 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,857 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,249 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,408 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,606 |
| World Map Quiz | 0 | - | 4.81 | 64,842 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 156,334 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,177 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,756 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 105,076 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,813 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,735 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,694 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,834 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,957 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,344 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,421 |
| Widest Countries East to West | 0 | - | 4.92 | 129,490 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,415 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,147 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,054 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,632 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,399 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,693 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,305 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,759 |
| Countries with Double Letters | 0 | - | 4.97 | 95,363 |
| Countries that End in N | 0 | - | 4.95 | 170,398 |
| Countries with Five Letters | 0 | - | 4.96 | 281,299 |
| Countries with Six Letters | 0 | - | 4.94 | 212,810 |
| Countries with W | 0 | - | 4.97 | 159,711 |
| Countries with Z | 0 | - | 4.98 | 290,619 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,977 |
| Countries That End in U | 0 | - | 4.95 | 120,515 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,990 |
| Countries that End in O | 0 | - | 4.92 | 159,285 |
| Countries that End in R | 0 | - | 4.87 | 118,804 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,571 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,591 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,321 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,216 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,829 |
| Countries That End in Y | 0 | - | 4.91 | 185,720 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,525 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,602 |
| Countries that End in I | 0 | - | 4.94 | 134,948 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,718 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,666 |
| Countries That End in NIA | 0 | - | 4.92 | 109,623 |
| Countries That End in BIA | 0 | - | 4.93 | 148,975 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,881 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,199 |
| Countries That End in RIA | 0 | - | 4.93 | 126,639 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,773 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,082 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,407 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,797 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,335 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,414 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,794 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,358 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,295 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,287 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,994 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,712 |
