| Name a Valid Country #2 | 0 | - | 4.98 | 252,905 |
| Name a Valid Country #4 | 0 | - | 4.97 | 257,949 |
| Name a Valid Country #5 | 0 | - | 4.99 | 208,921 |
| Name a Valid Country #6 | 0 | - | 4.94 | 139,056 |
| Random Name a Valid Country | 0 | - | 4.99 | 205,946 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 322,680 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 237,351 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 226,408 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,123 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,505 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,642,810 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,729,851 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,109,220 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 452,434 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 167,208 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 119,613 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,178 |
| Countries with Four Letters | 0 | - | 4.99 | 424,751 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,481 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,351 |
| Landlocked Countries | 0 | - | 4.99 | 423,795 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,331 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,552 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 183,943 |
| Country Chain | 0 | - | 4.96 | 217,952 |
| Countries by Emojis | 0 | - | 4.99 | 241,164 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,350 |
| Islands by Country #1 | 0 | - | 4.90 | 175,817 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,993 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,337 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,171 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,791,896 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 218,105 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 736,671 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,331 |
| Himalayan Countries | 0 | - | 4.94 | 139,504 |
| Andean Countries | 0 | - | 4.94 | 85,045 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,240 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,440 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,795 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,110 |
| Danube Countries | 0 | - | 4.97 | 72,206 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,299 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,620 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,703 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,206 |
| European Landlocked Countries | 0 | - | 4.99 | 147,372 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,972 |
| Countries with the Most Species | 0 | - | 4.99 | 103,417 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,109 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,680 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,792 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,691 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,438 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,850 |
| Countries in the Alps | 0 | - | 4.87 | 118,485 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,066 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,439 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,810 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,811 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,741 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,097 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,915 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,666 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,293 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,017 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,760 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,629 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,384 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,637 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,721 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,369 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,475 |
| Countries that Host the Most Refugees | 0 | - | 4.97 | 65,213 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,349 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,899 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,651 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,379 |
| Largest Countries By Category | 0 | - | 4.97 | 158,541 |
| Countries by Countries | 0 | - | 4.96 | 63,435 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,002 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,348 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,620 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,898 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,204 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,092 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,516 |
| Island Countries | 0 | - | 4.99 | 711,748 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,052,397 |
| Northernmost Countries | 0 | - | 4.99 | 363,054 |
| Countries of South America | 0 | - | 5.00 | 929,941 |
| Countries of Oceania | 0 | - | 5.00 | 1,060,210 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,883,226 |
| "Land" Countries | 0 | - | 4.98 | 337,874 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,457 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,533 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,479 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,972 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,739 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,388,439 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,168 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,478 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 140,726 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 80,733 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,394 |
| Random Countries by Borders | 0 | - | 4.99 | 82,846 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,432 |
| Countries with Megacities | 0 | - | 4.99 | 265,844 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,230 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,750 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,489 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,839 |
| Countries by Official Language | 0 | - | 4.95 | 195,632 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,038 |
| Countries in their Native Language | 0 | - | 4.99 | 199,409 |
| Independence from Whom | 0 | - | 4.99 | 212,553 |
| Subdivisions by Country | 0 | - | 4.87 | 50,529 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,068 |
| Megadiverse Countries | 0 | - | 4.96 | 135,154 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,433 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,459 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 126,339 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,162 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,372 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,697 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,734 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,470 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,747 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,206 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,086 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,199 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,327 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,057 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,474 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,599 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,818 |
| World Map Quiz | 0 | - | 4.81 | 65,379 |
| Category Elimination - Countries #5 | 0 | - | 4.69 | 145,032 |
| World Countries by 10 Category Elimination #2 | 0 | - | 4.48 | 71,311 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 139,312 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 158,258 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,530 |
| Countries by Founding Story | 0 | - | 4.95 | 77,534 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,642 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,667 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,323 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,948 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,187 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,307 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,524 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,581 |
| Tallest Countries North to South | 0 | - | 4.85 | 128,734 |
| Widest Countries East to West | 0 | - | 4.92 | 130,175 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,528 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,019 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,439 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,929 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,803 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,080 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,447 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,851 |
| Countries with Double Letters | 0 | - | 4.96 | 96,671 |
| Countries that End in N | 0 | - | 4.95 | 171,555 |
| Countries with Five Letters | 0 | - | 4.96 | 283,201 |
| Countries with Six Letters | 0 | - | 4.94 | 214,019 |
| Countries with W | 0 | - | 4.96 | 160,637 |
| Countries with Z | 0 | - | 4.98 | 291,952 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,000 |
| Countries That End in U | 0 | - | 4.95 | 121,016 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,786 |
| Countries that End in O | 0 | - | 4.92 | 159,669 |
| Countries that End in R | 0 | - | 4.87 | 119,072 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,830 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,464 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,932 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,650 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,573 |
| Countries That End in Y | 0 | - | 4.91 | 185,995 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,187 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,071 |
| Countries that End in I | 0 | - | 4.94 | 135,213 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,372 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,930 |
| Countries That End in NIA | 0 | - | 4.92 | 109,920 |
| Countries That End in BIA | 0 | - | 4.93 | 149,399 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,335 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,614 |
| Countries That End in RIA | 0 | - | 4.93 | 126,936 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,215 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,090 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,953 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,391 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,928 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,689 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,186 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,490 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,720 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,546 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,516 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 54,197 |