| Name a Valid Country #1 | 0 | - | 4.99 | 249,729 |
| Name a Valid Country #2 | 0 | - | 4.98 | 213,614 |
| Name a Valid Country #5 | 0 | - | 4.99 | 176,049 |
| Name a Valid Country #6 | 0 | - | 4.94 | 114,289 |
| Random Name a Valid Country | 0 | - | 4.99 | 194,308 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 303,186 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 221,994 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 212,784 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 181,093 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.96 | 114,988 |
| Countries of the World Quiz | 0 | - | 5.00 | 44,344,106 |
| Word Scramble - Countries | 0 | - | 4.85 | 2,021,309 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 415,476 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 149,859 |
| Solve the Secret Country #2 | 0 | - | 4.88 | 104,778 |
| Anagram Chain - Countries | 0 | - | 4.99 | 108,236 |
| Countries with Four Letters | 0 | - | 4.99 | 405,417 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 55,602 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 383,023 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 85,195 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 175,005 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 159,949 |
| Country Chain | 0 | - | 4.96 | 208,531 |
| Countries by Emojis | 0 | - | 4.99 | 222,111 |
| Countries With One Word And Two O's | 0 | - | 4.96 | 51,464 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,408,286 |
| Islands by Country #1 | 0 | - | 4.87 | 169,869 |
| Regions of Countries #1 | 0 | - | 4.97 | 155,634 |
| Regions of Countries #2 | 0 | - | 4.95 | 119,804 |
| Regions of Countries #3 | 0 | - | 4.84 | 87,798 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,476,787 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 200,419 |
| Sahara Desert Countries | 0 | - | 4.97 | 145,647 |
| Himalayan Countries | 0 | - | 4.94 | 122,314 |
| Andean Countries | 0 | - | 4.93 | 68,739 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 56,709 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 113,122 |
| Coffee Producing Countries | 0 | - | 4.83 | 59,929 |
| Countries with Shrinking Populations | 0 | - | 4.92 | 59,325 |
| Danube Countries | 0 | - | 4.97 | 60,849 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 96,886 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 81,911 |
| Countries with the Best Passports | 0 | - | 4.82 | 80,692 |
| Countries with the Worst Passports | 0 | - | 4.89 | 69,036 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 138,269 |
| European Landlocked Countries | 0 | - | 4.99 | 141,036 |
| Partially Recognized Countries | 0 | - | 4.98 | 98,120 |
| Countries with the Most Species | 0 | - | 4.99 | 92,343 |
| Countries 197 to 205 | 0 | - | 4.87 | 63,505 |
| Tropic of Cancer Countries | 0 | - | 4.95 | 46,698 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 45,795 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 52,590 |
| Countries that Use the Peso | 0 | - | 4.88 | 56,359 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 69,954 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 53,660 |
| Countries in the Alps | 0 | - | 4.86 | 110,463 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 90,739 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 97,857 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 75,402 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 83,763 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 110,652 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 91,961 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 95,020 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 49,865 |
| Biggest Country by Body of Water | 0 | - | 4.95 | 47,975 |
| Countries with the Most Container Port Traffic | 0 | - | 4.91 | 58,805 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 72,741 |
| Bridge and Tunnel Borders | 0 | - | 4.95 | 51,269 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.89 | 39,105 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 100,167 |
| Arctic Ocean Countries | 0 | - | 4.94 | 75,853 |
| Countries with the Most Grassland | 0 | - | 4.93 | 73,548 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 109,053 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 64,818 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 56,754 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 222,184 |
| World Countries - Blind Typing | 0 | - | 5.00 | 95,172 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 45,116 |
| Largest Countries By Category | 0 | - | 4.97 | 151,420 |
| Countries by Countries | 0 | - | 4.96 | 58,478 |
| Country Flags with the Most White | 0 | - | 4.87 | 132,102 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 60,669 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.86 | 46,330 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 83,968 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 360,309 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 382,499 |
| Island Countries Quiz | 0 | - | 4.99 | 690,992 |
| Biggest Countries by Area | 0 | - | 5.00 | 990,127 |
| Northernmost Countries | 0 | - | 4.99 | 342,810 |
| Countries of South America | 0 | - | 5.00 | 863,455 |
| Countries of Oceania | 0 | - | 5.00 | 976,333 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,732,192 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 172,857 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.92 | 84,587 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 106,464 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 107,787 |
| Biggest Countries with No McDonald's | 0 | - | 4.85 | 85,774 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,259,124 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.92 | 42,559 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 92,711 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 124,044 |
| Top Five Countries By Fruit Production | 0 | - | 4.91 | 49,523 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 99,409 |
| Random Countries by Borders | 0 | - | 4.99 | 71,085 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 159,058 |
| Countries with Megacities | 0 | - | 4.99 | 218,305 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 186,906 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 106,318 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 126,784 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 73,323 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 270,134 |
| Countries by Official Language | 0 | - | 4.95 | 184,198 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 282,242 |
| Countries in their Native Language | 0 | - | 4.98 | 188,973 |
| Independence from Whom | 0 | - | 4.99 | 199,985 |
| Subdivisions by Country | 0 | - | 4.86 | 48,542 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 123,844 |
| Megadiverse Countries | 0 | - | 4.96 | 130,530 |
| Countries With the Most English Speakers | 0 | - | 4.89 | 122,258 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 121,873 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 49,342 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 155,520 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 59,509 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 86,886 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 149,343 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 80,474 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 43,432 |
| Countries by Sports League Revenue | 0 | - | 4.93 | 67,601 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 104,897 |
| Countries Furthest from the United States | 0 | - | 4.95 | 86,002 |
| Countries with the Highest HDI | 0 | - | 4.95 | 134,243 |
| Straight Shot to the Arctic Circle | 0 | - | 4.89 | 72,197 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 68,659 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 98,324 |
| World Map Quiz | 0 | - | 4.88 | 57,780 |
| Category Elimination - Countries #5 | 0 | - | 4.70 | 136,903 |
| World Countries by 10 Category Elimination #2 | 0 | - | 4.50 | 67,878 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 119,276 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 135,316 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 86,805 |
| Countries by Founding Story | 0 | - | 4.94 | 72,911 |
| Countries by Road Signs | 0 | - | 4.98 | 49,659 |
| Southernmost Countries of the World | 0 | - | 4.99 | 218,723 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 98,823 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 116,666 |
| Countries With the Most Languages | 0 | - | 4.89 | 189,439 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 92,583 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 88,657 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 93,658 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 58,411 |
| Tallest Countries North to South | 0 | - | 4.85 | 115,676 |
| Widest Countries East to West | 0 | - | 4.92 | 124,820 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 70,211 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 180,212 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 95,490 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 90,334 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 125,509 |
| Countries with the Most Desert | 0 | - | 4.93 | 123,417 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 68,054 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 33,579 |
| Countries with Double Letters | 0 | - | 4.96 | 82,469 |
| Countries that End in N | 0 | - | 4.93 | 146,399 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 246,375 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 200,772 |
| Countries with W | 0 | - | 4.97 | 149,815 |
| Countries with Z | 0 | - | 4.98 | 276,305 |
| Countries with Letters Missing | 0 | - | 4.97 | 176,699 |
| Countries That End in U | 0 | - | 4.95 | 114,463 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 100,789 |
| Countries that End in O | 0 | - | 4.91 | 154,550 |
| Countries that End in R | 0 | - | 4.84 | 100,036 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 152,014 |
| Countries Ending in "IA" | 0 | - | 4.99 | 198,348 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 163,478 |
| Countries by Last Two Letters | 0 | - | 4.87 | 121,966 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 135,726 |
| Countries That End in Y | 0 | - | 4.91 | 182,216 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 189,426 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 127,648 |
| Countries that End in I | 0 | - | 4.92 | 117,521 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 158,554 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 92,286 |
| Countries That End in NIA | 0 | - | 4.92 | 105,207 |
| Countries That End in BIA | 0 | - | 4.92 | 142,866 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 161,385 |
| Countries Whose Names Start with Saint | 0 | - | 4.86 | 114,874 |
| Countries That End in RIA | 0 | - | 4.89 | 105,578 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 106,019 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 215,596 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 127,412 |
| Divided Country Name Puzzle #3 | 0 | - | 4.91 | 119,267 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 85,116 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 71,281 |
| Countries With One Word and Three A's | 0 | - | 4.94 | 48,718 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 98,224 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.97 | 120,127 |
| Countries that are Free from U.S.A. | 0 | - | 4.87 | 46,350 |
| Countries with the Word "And" | 0 | - | 4.98 | 89,984 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 47,920 |
| Countries that End in L | 0 | - | 4.94 | 151,911 |