| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,223 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,512 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,645,532 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,110,209 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 452,671 |
| Countries with Four Letters | 0 | - | 4.99 | 425,027 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 167,432 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 119,815 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,295 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,627 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,474 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,763,706 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,677 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,086 |
| Country Chain | 0 | - | 4.96 | 218,133 |
| Countries by Emojis | 0 | - | 4.99 | 241,356 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,408 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 323,049 |
| Islands by Country #1 | 0 | - | 4.90 | 176,094 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,087 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,408 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,278 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,600 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,134 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,357 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 218,318 |
| Name a Valid Country #3 | 0 | - | 4.99 | 265,403 |
| Name a Valid Country #1 | 0 | - | 4.99 | 294,167 |
| Name a Valid Country #2 | 0 | - | 4.98 | 253,464 |
| Name a Valid Country #4 | 0 | - | 4.97 | 258,517 |
| Name a Valid Country #5 | 0 | - | 4.99 | 209,416 |
| Name a Valid Country #6 | 0 | - | 4.95 | 143,160 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 738,415 |
| Landlocked Countries | 0 | - | 4.99 | 424,228 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,794,739 |
| The Only Country ... | 0 | - | 4.91 | 81,694 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,540 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,581 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,521 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,995 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,778 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 237,650 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 226,605 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,328 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,719 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,441 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 238,278 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,074 |
| Random Countries by Borders | 0 | - | 4.99 | 82,894 |
| Random Name a Valid Country | 0 | - | 4.99 | 206,221 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,509 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,766 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,230 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,785 |
| Island Countries | 0 | - | 4.99 | 711,967 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,517 |
| Himalayan Countries | 0 | - | 4.94 | 139,678 |
| Andean Countries | 0 | - | 4.94 | 85,137 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,317 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,562 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,891 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,171 |
| Danube Countries | 0 | - | 4.97 | 72,250 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,381 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,681 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,803 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,291 |
| European Landlocked Countries | 0 | - | 4.99 | 147,429 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,041 |
| Countries with the Most Species | 0 | - | 4.99 | 103,454 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,174 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,700 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,810 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,723 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,454 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,877 |
| Countries in the Alps | 0 | - | 4.87 | 118,538 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,220 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,554 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,842 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,852 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,776 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,116 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,963 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,706 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,328 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,042 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,780 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,645 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,423 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,664 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,750 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,448 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,499 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,451 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,447 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,098 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,777 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,410 |
| Largest Countries By Category | 0 | - | 4.97 | 158,601 |
| Countries by Countries | 0 | - | 4.96 | 63,481 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,390,099 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,052 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,359 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,954 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,052,985 |
| Northernmost Countries | 0 | - | 4.99 | 363,300 |
| Countries of South America | 0 | - | 5.00 | 930,537 |
| Countries of Oceania | 0 | - | 5.00 | 1,060,947 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,884,710 |
| "Land" Countries | 0 | - | 4.98 | 337,998 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 386,530 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 139,496 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,451,887 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,918 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,709 |
| Countries with Megacities | 0 | - | 4.99 | 266,217 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,435 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,852 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,728 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,968 |
| Countries by Official Language | 0 | - | 4.95 | 195,739 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,243 |
| Countries in their Native Language | 0 | - | 4.99 | 199,506 |
| Independence from Whom | 0 | - | 4.99 | 212,692 |
| Subdivisions by Country | 0 | - | 4.87 | 50,551 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,172 |
| Megadiverse Countries | 0 | - | 4.96 | 135,178 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,724 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,473 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 126,369 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,176 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,414 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,734 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,854 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,494 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,768 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,218 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,146 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,294 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,360 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,077 |
| Random General Knowledge - Countries | 0 | - | 4.33 | 89,046 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,500 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,616 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,952 |
| World Map Quiz | 0 | - | 4.81 | 65,411 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 158,489 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,556 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,937 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,916 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,410 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,163 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,264 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,385 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,582 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,612 |
| Tallest Countries North to South | 0 | - | 4.86 | 129,896 |
| Widest Countries East to West | 0 | - | 4.92 | 130,285 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,554 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,075 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,455 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,965 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,839 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,340 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,459 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,860 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 337,602 |
| Countries with Double Letters | 0 | - | 4.96 | 96,762 |
| Countries that End in N | 0 | - | 4.95 | 171,652 |
| Countries with Five Letters | 0 | - | 4.96 | 283,343 |
| Countries with Six Letters | 0 | - | 4.94 | 214,111 |
| Countries with W | 0 | - | 4.96 | 160,713 |
| Countries with Z | 0 | - | 4.98 | 292,075 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,068 |
| Countries That End in U | 0 | - | 4.95 | 121,061 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 134,867 |
| Countries that End in O | 0 | - | 4.92 | 159,708 |
| Countries that End in R | 0 | - | 4.87 | 119,101 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,848 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,544 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,981 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,694 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,622 |
| Countries That End in Y | 0 | - | 4.91 | 186,016 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,255 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,118 |
| Countries that End in I | 0 | - | 4.94 | 135,240 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,434 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,960 |
| Countries That End in NIA | 0 | - | 4.92 | 109,948 |
| Countries That End in BIA | 0 | - | 4.93 | 149,436 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,374 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,648 |
| Countries That End in RIA | 0 | - | 4.93 | 126,966 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,256 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,201 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,006 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,436 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,998 |
