| Top Five Countries By Category #1 | 0 | - | 4.99 | 452,643 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,663 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,077 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,533 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,574 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,645,239 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,759,833 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,110,086 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 167,404 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 119,794 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,284 |
| Countries with Four Letters | 0 | - | 4.99 | 425,004 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,608 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,459 |
| Five Biggest Immigrant Groups by Country #3 | 0 | - | 4.70 | 66,556 |
| Landlocked Countries | 0 | - | 4.99 | 424,188 |
| Country Chain | 0 | - | 4.96 | 218,118 |
| Countries by Emojis | 0 | - | 4.99 | 241,334 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,399 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 323,023 |
| Islands by Country #1 | 0 | - | 4.90 | 176,075 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,081 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,406 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,275 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,794,430 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 218,306 |
| Name a Valid Country #3 | 0 | - | 4.99 | 265,345 |
| Name a Valid Country #1 | 0 | - | 4.99 | 294,080 |
| Name a Valid Country #2 | 0 | - | 4.98 | 253,417 |
| Name a Valid Country #4 | 0 | - | 4.97 | 258,457 |
| Name a Valid Country #5 | 0 | - | 4.99 | 209,365 |
| Name a Valid Country #6 | 0 | - | 4.95 | 142,829 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 738,240 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,494 |
| Himalayan Countries | 0 | - | 4.94 | 139,656 |
| Andean Countries | 0 | - | 4.94 | 85,124 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,311 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,551 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,879 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,167 |
| Danube Countries | 0 | - | 4.97 | 72,247 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,377 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,673 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,792 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,278 |
| European Landlocked Countries | 0 | - | 4.99 | 147,422 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,033 |
| Countries with the Most Species | 0 | - | 4.99 | 103,451 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,169 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,696 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,807 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,723 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,451 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,873 |
| Countries in the Alps | 0 | - | 4.87 | 118,529 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,201 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,530 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,837 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,847 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,774 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,115 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,961 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,702 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,325 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,039 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,778 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,643 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,417 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,661 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,747 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,440 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,495 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,428 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,445 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,083 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,759 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,407 |
| Largest Countries By Category | 0 | - | 4.97 | 158,597 |
| Countries by Countries | 0 | - | 4.96 | 63,473 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,050 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,357 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,636 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,950 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,693 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,216 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,749 |
| Island Countries | 0 | - | 4.99 | 711,939 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,052,927 |
| Northernmost Countries | 0 | - | 4.99 | 363,272 |
| Countries of South America | 0 | - | 5.00 | 930,474 |
| Countries of Oceania | 0 | - | 5.00 | 1,060,868 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,884,534 |
| "Land" Countries | 0 | - | 4.98 | 337,989 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,517 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,993 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,777 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,389,955 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,213 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,509 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 237,624 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 226,586 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,309 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,704 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,440 |
| Random Countries by Borders | 0 | - | 4.99 | 82,890 |
| Random Name a Valid Country | 0 | - | 4.99 | 206,194 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,661 |
| Countries with Megacities | 0 | - | 4.99 | 266,160 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,395 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,832 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,681 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,954 |
| Countries by Official Language | 0 | - | 4.95 | 195,726 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,232 |
| Countries in their Native Language | 0 | - | 4.99 | 199,495 |
| Independence from Whom | 0 | - | 4.99 | 212,682 |
| Subdivisions by Country | 0 | - | 4.87 | 50,549 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,164 |
| Megadiverse Countries | 0 | - | 4.96 | 135,173 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,663 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,469 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 126,367 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,172 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,411 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,730 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,847 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,488 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,764 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,216 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,141 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,287 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,358 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,077 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,496 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,614 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,940 |
| World Map Quiz | 0 | - | 4.81 | 65,410 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 139,485 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 158,462 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,554 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,926 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,869 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,401 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,141 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,253 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,380 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,575 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,607 |
| Tallest Countries North to South | 0 | - | 4.86 | 129,799 |
| Widest Countries East to West | 0 | - | 4.92 | 130,277 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,550 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,071 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,452 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,961 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,835 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,330 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,458 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,860 |
| Countries with Double Letters | 0 | - | 4.96 | 96,755 |
| Countries that End in N | 0 | - | 4.95 | 171,642 |
| Countries with Five Letters | 0 | - | 4.96 | 283,332 |
| Countries with Six Letters | 0 | - | 4.94 | 214,099 |
| Countries with W | 0 | - | 4.96 | 160,709 |
| Countries with Z | 0 | - | 4.98 | 292,063 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,063 |
| Countries That End in U | 0 | - | 4.95 | 121,058 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 134,864 |
| Countries that End in O | 0 | - | 4.92 | 159,705 |
| Countries that End in R | 0 | - | 4.87 | 119,098 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,847 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,540 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,976 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,690 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,612 |
| Countries That End in Y | 0 | - | 4.91 | 186,014 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,244 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,115 |
| Countries that End in I | 0 | - | 4.94 | 135,238 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,429 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,959 |
| Countries That End in NIA | 0 | - | 4.92 | 109,945 |
| Countries That End in BIA | 0 | - | 4.93 | 149,429 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,369 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,648 |
| Countries That End in RIA | 0 | - | 4.93 | 126,963 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,249 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,190 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,994 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,431 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,981 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,720 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,220 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,503 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,751 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,567 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,551 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 54,253 |
| Countries that End in L | 0 | - | 4.94 | 157,013 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 216,879 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,313 |
