| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,744 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,232 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,625,264 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,102,352 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 450,999 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 165,865 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 118,476 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,567 |
| Countries with Four Letters | 0 | - | 4.99 | 422,647 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,667 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,675 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,483,654 |
| Landlocked Countries | 0 | - | 4.99 | 420,815 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,329,118 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 320,811 |
| Countries by Languages in 90 Seconds | 0 | - | 4.94 | 721,192 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 200,759 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 182,708 |
| Country Chain | 0 | - | 4.96 | 217,140 |
| Countries by Emojis | 0 | - | 4.99 | 239,837 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,970 |
| Islands by Country #1 | 0 | - | 4.88 | 175,325 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,560 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,914 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,747 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,769,668 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 216,889 |
| Name a Valid Country #3 | 0 | - | 4.99 | 263,140 |
| Name a Valid Country #1 | 0 | - | 4.99 | 290,122 |
| Name a Valid Country #2 | 0 | - | 4.98 | 250,845 |
| Name a Valid Country #4 | 0 | - | 4.97 | 255,703 |
| Name a Valid Country #5 | 0 | - | 4.99 | 207,113 |
| Name a Valid Country #6 | 0 | - | 4.94 | 129,505 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,890 |
| Himalayan Countries | 0 | - | 4.95 | 138,210 |
| Andean Countries | 0 | - | 4.95 | 84,328 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,553 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,438 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,179 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,604 |
| Danube Countries | 0 | - | 4.97 | 71,865 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,840 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,267 |
| Countries with the Worst Passports | 0 | - | 4.94 | 84,036 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,501 |
| European Landlocked Countries | 0 | - | 4.99 | 147,005 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,419 |
| Countries with the Most Species | 0 | - | 4.99 | 103,125 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,568 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,523 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,669 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 180,978 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,232 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,459 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,136 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,532 |
| Countries in the Alps | 0 | - | 4.87 | 118,006 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 99,993 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,786 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,561 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,476 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,348 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,851 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,501 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,365 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,097 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,723 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,574 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,432 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,095 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,370 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,393 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,608 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,194 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,150 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,715 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,860 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,341 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,753 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,130 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,775 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,499 |
| Largest Countries By Category | 0 | - | 4.97 | 157,977 |
| Countries by Countries | 0 | - | 4.96 | 63,051 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,182 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 225,151 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,267 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,502 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,887 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,228 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,544 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,116 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,899 |
| Countries that Start with A | 0 | - | 4.98 | 2,163,443 |
| Countries that Start with B | 0 | - | 4.95 | 2,295,106 |
| Countries that Start with C | 0 | - | 4.96 | 1,822,670 |
| Countries that Start with D | 0 | - | 4.96 | 710,058 |
| Countries that Start with E | 0 | - | 4.95 | 1,377,674 |
| Countries that Start with G | 0 | - | 4.97 | 1,503,851 |
| Countries that Start with H | 0 | - | 4.96 | 605,068 |
| Countries that Start with I | 0 | - | 4.92 | 1,288,691 |
| Countries that Start with J | 0 | - | 4.98 | 602,745 |
| Countries that Start with K | 0 | - | 4.97 | 816,129 |
| Countries that Start with L | 0 | - | 4.98 | 1,091,112 |
| Countries that Start with N | 0 | - | 4.93 | 1,118,122 |
| Countries that Start with P | 0 | - | 4.94 | 1,216,501 |
| Countries that Start with S | 0 | - | 4.98 | 1,755,364 |
| Countries that Start with T | 0 | - | 4.90 | 1,010,153 |
| Countries that Start with U | 0 | - | 4.97 | 904,754 |
| Countries that Start with V | 0 | - | 4.98 | 609,523 |
| Countries that Start with F | 0 | - | 4.83 | 617,870 |
| Countries that Start with M | 0 | - | 4.97 | 1,382,125 |
| Random Countries by Borders | 0 | - | 4.99 | 82,478 |
| Random Name a Valid Country | 0 | - | 4.99 | 205,136 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,527 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,140 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,444 |
| Island Countries | 0 | - | 4.99 | 710,552 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,380,510 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,048,275 |
| Northernmost Countries | 0 | - | 4.99 | 361,377 |
| Countries of South America | 0 | - | 5.00 | 925,486 |
| Countries of Oceania | 0 | - | 5.00 | 1,054,571 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,872,861 |
| "Land" Countries | 0 | - | 4.98 | 336,845 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 383,652 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 138,100 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,446,191 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,450 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,570 |
| Countries with Megacities | 0 | - | 4.99 | 263,666 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,406 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,298 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,680 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,337 |
| Countries by Official Language | 0 | - | 4.95 | 194,999 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,033 |
| Countries in their Native Language | 0 | - | 4.99 | 198,507 |
| Independence from Whom | 0 | - | 4.99 | 211,785 |
| Subdivisions by Country | 0 | - | 4.86 | 50,378 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,118 |
| Megadiverse Countries | 0 | - | 4.96 | 134,909 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,857 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,280 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,860 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,067 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,953 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,502 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,269 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,956 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,582 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,047 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,408 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,804 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,118 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,891 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,262 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,428 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,798 |
| World Map Quiz | 0 | - | 4.81 | 64,917 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 156,554 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,224 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,845 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,129 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,851 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,853 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,757 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,892 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,196 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,370 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,468 |
| Widest Countries East to West | 0 | - | 4.92 | 129,537 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,420 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,218 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,075 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,659 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,443 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,726 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,325 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,772 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 336,739 |
| Countries with Double Letters | 0 | - | 4.97 | 95,796 |
| Countries that End in N | 0 | - | 4.95 | 170,739 |
| Countries with Five Letters | 0 | - | 4.96 | 281,807 |
| Countries with Six Letters | 0 | - | 4.94 | 213,154 |
| Countries with W | 0 | - | 4.97 | 160,042 |
| Countries with Z | 0 | - | 4.98 | 290,998 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,381 |
| Countries That End in U | 0 | - | 4.95 | 120,679 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,175 |
| Countries that End in O | 0 | - | 4.92 | 159,396 |
| Countries that End in R | 0 | - | 4.87 | 118,867 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,638 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,778 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,442 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,297 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,969 |
| Countries That End in Y | 0 | - | 4.91 | 185,787 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,636 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,680 |