| Islands by Country #1 | 0 | - | 4.88 | 175,110 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,379 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,718 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,626 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,991 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,614,980 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 165,116 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 117,821 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,198 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,194 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,261 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,333,394 |
| Landlocked Countries | 0 | - | 4.99 | 418,926 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,098,509 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 448,909 |
| Countries with Four Letters | 0 | - | 4.99 | 421,582 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 79,045 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,756,826 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,992 |
| Himalayan Countries | 0 | - | 4.94 | 137,420 |
| Andean Countries | 0 | - | 4.95 | 83,937 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,229 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,652 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,832 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,350 |
| Danube Countries | 0 | - | 4.97 | 71,663 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,550 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,057 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,652 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,734 |
| European Landlocked Countries | 0 | - | 4.99 | 146,778 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,139 |
| Countries with the Most Species | 0 | - | 4.99 | 102,907 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,264 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,432 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,587 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 199,469 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,303 |
| Top Five Countries By Category #3 | 0 | - | 4.81 | 170,691 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,993 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,363 |
| Countries in the Alps | 0 | - | 4.87 | 117,685 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,133 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,365 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,421 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,979 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,092 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,565 |
| Country Chain | 0 | - | 4.96 | 216,824 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,285 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,185 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,969 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,550 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,478 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,337 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,924 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,187 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,205 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,184 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,062 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,571 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,529 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,371 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,228 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,998 |
| Largest Countries By Category | 0 | - | 4.97 | 157,635 |
| Countries by Emojis | 0 | - | 4.99 | 238,731 |
| Countries by Countries | 0 | - | 4.96 | 62,837 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,723 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 319,857 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,210 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,160 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,321 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 215,999 |
| Name a Valid Country #3 | 0 | - | 4.99 | 262,511 |
| Name a Valid Country #1 | 0 | - | 4.99 | 288,689 |
| Name a Valid Country #2 | 0 | - | 4.98 | 250,068 |
| Name a Valid Country #4 | 0 | - | 4.97 | 254,968 |
| Name a Valid Country #5 | 0 | - | 4.99 | 206,358 |
| Name a Valid Country #6 | 0 | - | 4.94 | 128,953 |
| Countries by Languages in 90 Seconds | 0 | - | 4.94 | 719,071 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,987 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,608 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,094 |
| Island Countries | 0 | - | 4.99 | 709,751 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,046,035 |
| Northernmost Countries | 0 | - | 4.99 | 360,462 |
| Foods by Country of Origin #1 | 0 | - | 4.40 | 336,289 |
| Mountains by Country | 0 | - | 4.56 | 81,731 |
| Islands by Country #2 | 0 | - | 4.80 | 77,332 |
| Countries of South America | 0 | - | 5.00 | 922,895 |
| Countries of Oceania | 0 | - | 5.00 | 1,050,968 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,866,323 |
| "Land" Countries | 0 | - | 4.98 | 335,790 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 180,566 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,935 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,949 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,642 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,304 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,375,670 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,499 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,084 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 235,551 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,540 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,793 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,547 |
| Movies by Country Quiz #1 | 0 | - | 4.17 | 53,330 |
| Movies by Country #2 | 0 | - | 4.20 | 45,716 |
| Random Countries by Borders | 0 | - | 4.99 | 82,287 |
| Random Name a Valid Country | 0 | - | 4.99 | 204,709 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,018 |
| Countries with Megacities | 0 | - | 4.99 | 259,861 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,890 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,990 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,168 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,998 |
| Countries by Official Language | 0 | - | 4.95 | 194,641 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,527 |
| Countries in their Native Language | 0 | - | 4.99 | 198,184 |
| Independence from Whom | 0 | - | 4.99 | 211,309 |
| Subdivisions by Country | 0 | - | 4.86 | 50,287 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,703 |
| Megadiverse Countries | 0 | - | 4.96 | 134,766 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,540 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,184 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,754 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,018 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,712 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,381 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,975 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,844 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,487 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,988 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,965 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,715 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,994 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,774 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,151 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,326 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,191 |
| World Map Quiz | 0 | - | 4.81 | 64,518 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,597 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,030 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,501 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,927 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,636 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,320 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,519 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,671 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,826 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,260 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,285 |
| Widest Countries East to West | 0 | - | 4.92 | 129,376 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,382 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,958 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,992 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,509 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,221 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,548 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,232 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,725 |
| Countries with Double Letters | 0 | - | 4.97 | 95,089 |
| Countries that End in N | 0 | - | 4.95 | 169,992 |
| Countries with Five Letters | 0 | - | 4.96 | 280,211 |
| Countries with Six Letters | 0 | - | 4.94 | 212,483 |
| Countries with W | 0 | - | 4.97 | 159,521 |
| Countries with Z | 0 | - | 4.98 | 289,801 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,744 |
| Countries That End in U | 0 | - | 4.95 | 120,412 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,753 |
| Countries that End in O | 0 | - | 4.92 | 159,193 |
| Countries that End in R | 0 | - | 4.87 | 118,734 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,511 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,329 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,106 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,079 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,662 |
| Countries That End in Y | 0 | - | 4.90 | 185,647 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,224 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,420 |
| Countries that End in I | 0 | - | 4.94 | 134,868 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,077 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,578 |
| Countries That End in NIA | 0 | - | 4.92 | 109,515 |
| Countries That End in BIA | 0 | - | 4.93 | 148,842 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,714 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,058 |
| Countries That End in RIA | 0 | - | 4.93 | 126,536 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,627 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,704 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,230 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,586 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,111 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,324 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,686 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,242 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,122 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,196 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,827 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,533 |
