| Top Five Countries By Category #1 | 0 | - | 4.99 | 448,922 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 199,476 |
| Top Five Countries By Category #3 | 0 | - | 4.81 | 170,694 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 180,578 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,937 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,615,137 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,336,475 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,098,595 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 165,124 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 117,830 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,200 |
| Countries with Four Letters | 0 | - | 4.99 | 421,608 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,205 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,265 |
| Five Biggest Immigrant Groups by Country #3 | 0 | - | 4.70 | 66,206 |
| Landlocked Countries | 0 | - | 4.99 | 418,976 |
| Country Chain | 0 | - | 4.96 | 216,831 |
| Countries by Emojis | 0 | - | 4.99 | 238,772 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,728 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 319,883 |
| Islands by Country #1 | 0 | - | 4.88 | 175,114 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,381 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,722 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,627 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,757,068 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 216,027 |
| Name a Valid Country #3 | 0 | - | 4.99 | 262,522 |
| Name a Valid Country #1 | 0 | - | 4.99 | 288,714 |
| Name a Valid Country #2 | 0 | - | 4.98 | 250,083 |
| Name a Valid Country #4 | 0 | - | 4.97 | 254,986 |
| Name a Valid Country #5 | 0 | - | 4.99 | 206,378 |
| Name a Valid Country #6 | 0 | - | 4.94 | 128,963 |
| Countries by Languages in 90 Seconds | 0 | - | 4.94 | 719,114 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,011 |
| Himalayan Countries | 0 | - | 4.94 | 137,441 |
| Andean Countries | 0 | - | 4.95 | 83,948 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,235 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,669 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,840 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,357 |
| Danube Countries | 0 | - | 4.97 | 71,667 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,559 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,058 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,661 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,738 |
| European Landlocked Countries | 0 | - | 4.99 | 146,780 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,143 |
| Countries with the Most Species | 0 | - | 4.99 | 102,912 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,275 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,433 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,589 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,305 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,994 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,368 |
| Countries in the Alps | 0 | - | 4.87 | 117,694 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,136 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,371 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,425 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,990 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,098 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,601 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,289 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,191 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,971 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,557 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,481 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,340 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,927 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,190 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,209 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,194 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,065 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,574 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,533 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,394 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,236 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,001 |
| Largest Countries By Category | 0 | - | 4.97 | 157,644 |
| Countries by Countries | 0 | - | 4.96 | 62,843 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,214 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,161 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,469 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,325 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,025 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,616 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,123 |
| Island Countries | 0 | - | 4.99 | 709,767 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,046,078 |
| Northernmost Countries | 0 | - | 4.99 | 360,488 |
| Countries of South America | 0 | - | 5.00 | 922,940 |
| Countries of Oceania | 0 | - | 5.00 | 1,051,091 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,866,442 |
| "Land" Countries | 0 | - | 4.98 | 335,802 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,952 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,646 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,312 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,375,770 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,504 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,085 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 235,565 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,553 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,804 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,554 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 139,013 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,992 |
| Random Countries by Borders | 0 | - | 4.99 | 82,289 |
| Random Name a Valid Country | 0 | - | 4.99 | 204,725 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,030 |
| Countries with Megacities | 0 | - | 4.99 | 260,133 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,906 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,999 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,178 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,008 |
| Countries by Official Language | 0 | - | 4.95 | 194,645 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,542 |
| Countries in their Native Language | 0 | - | 4.99 | 198,190 |
| Independence from Whom | 0 | - | 4.99 | 211,322 |
| Subdivisions by Country | 0 | - | 4.86 | 50,288 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,710 |
| Megadiverse Countries | 0 | - | 4.96 | 134,769 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,548 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,186 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,756 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,018 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,715 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,381 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,981 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,846 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,490 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,990 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,983 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,719 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,995 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,776 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,157 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,327 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,201 |
| World Map Quiz | 0 | - | 4.81 | 64,523 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 137,328 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,622 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,034 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,511 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,929 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,642 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,335 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,519 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,673 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,831 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,263 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,286 |
| Widest Countries East to West | 0 | - | 4.92 | 129,378 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,382 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,966 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,994 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,512 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,223 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,552 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,235 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,728 |
| Countries with Double Letters | 0 | - | 4.97 | 95,098 |
| Countries that End in N | 0 | - | 4.95 | 170,001 |
| Countries with Five Letters | 0 | - | 4.96 | 280,257 |
| Countries with Six Letters | 0 | - | 4.94 | 212,489 |
| Countries with W | 0 | - | 4.97 | 159,523 |
| Countries with Z | 0 | - | 4.98 | 289,812 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,753 |
| Countries That End in U | 0 | - | 4.95 | 120,415 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,758 |
| Countries that End in O | 0 | - | 4.92 | 159,199 |
| Countries that End in R | 0 | - | 4.87 | 118,735 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,515 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,338 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,111 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,087 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,669 |
| Countries That End in Y | 0 | - | 4.90 | 185,649 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,231 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,429 |
| Countries that End in I | 0 | - | 4.94 | 134,871 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,085 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,581 |
| Countries That End in NIA | 0 | - | 4.92 | 109,517 |
| Countries That End in BIA | 0 | - | 4.93 | 148,846 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,723 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,065 |
| Countries That End in RIA | 0 | - | 4.93 | 126,542 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,636 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,712 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,233 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,589 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,120 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,329 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,690 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,245 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,129 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,198 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,829 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,538 |
| Countries that End in L | 0 | - | 4.94 | 156,542 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 214,036 |
