| Name a Valid Country #1 | 0 | - | 4.99 | 285,593 |
| Name a Valid Country #2 | 0 | - | 4.98 | 247,831 |
| Name a Valid Country #4 | 0 | - | 4.97 | 253,066 |
| Name a Valid Country #5 | 0 | - | 4.99 | 198,998 |
| Name a Valid Country #6 | 0 | - | 4.94 | 127,504 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,744 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 318,022 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 234,270 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 223,437 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,893 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,866 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,598,485 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,077,849 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,092,350 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 447,560 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,953 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 116,810 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,610 |
| Countries with Four Letters | 0 | - | 4.99 | 419,715 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 68,349 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,596 |
| Landlocked Countries | 0 | - | 4.99 | 415,605 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,231 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,721 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,851 |
| Country Chain | 0 | - | 4.96 | 216,181 |
| Countries by Emojis | 0 | - | 4.99 | 237,402 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,328 |
| Islands by Country #1 | 0 | - | 4.87 | 174,700 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,086 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,433 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,439 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,732,765 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 214,580 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 714,507 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,406 |
| Himalayan Countries | 0 | - | 4.95 | 136,055 |
| Andean Countries | 0 | - | 4.94 | 83,215 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,531 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,697 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,220 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,867 |
| Danube Countries | 0 | - | 4.97 | 71,285 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,032 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,731 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,913 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,862 |
| European Landlocked Countries | 0 | - | 4.99 | 145,993 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,569 |
| Countries with the Most Species | 0 | - | 4.99 | 95,359 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,696 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,278 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,447 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,078 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,732 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,098 |
| Countries in the Alps | 0 | - | 4.86 | 117,157 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,780 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,642 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,171 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,610 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,411 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,161 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,829 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,912 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,713 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,229 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,281 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,154 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,635 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,901 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,912 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,518 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,810 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,361 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,065 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,403 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,270 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,746 |
| Largest Countries By Category | 0 | - | 4.97 | 157,072 |
| Countries by Countries | 0 | - | 4.96 | 62,466 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,710 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,038 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,387 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,977 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,031 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,894 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,913 |
| Island Countries | 0 | - | 4.99 | 708,426 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,042,022 |
| Northernmost Countries | 0 | - | 4.99 | 358,829 |
| Countries of South America | 0 | - | 5.00 | 918,208 |
| Countries of Oceania | 0 | - | 5.00 | 1,044,718 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,855,174 |
| "Land" Countries | 0 | - | 4.98 | 334,159 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,745 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,617 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,602 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,460 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,021 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,367,776 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,045 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,822 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 137,856 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,730 |
| Random Countries by Borders | 0 | - | 4.99 | 81,848 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,974 |
| Countries with Megacities | 0 | - | 4.99 | 248,355 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,871 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,394 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,260 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,325 |
| Countries by Official Language | 0 | - | 4.95 | 193,239 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,799 |
| Countries in their Native Language | 0 | - | 4.99 | 197,071 |
| Independence from Whom | 0 | - | 4.99 | 210,209 |
| Subdivisions by Country | 0 | - | 4.86 | 50,155 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,105 |
| Megadiverse Countries | 0 | - | 4.96 | 134,477 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,232 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,029 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,558 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,917 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,909 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,144 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,381 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,469 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,311 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,789 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 75,988 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,531 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,638 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,599 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,812 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,134 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,210 |
| World Map Quiz | 0 | - | 4.81 | 63,847 |
| Category Elimination - Countries #5 | 0 | - | 4.69 | 143,568 |
| World Countries by 10 Category Elimination #2 | 0 | - | 4.47 | 70,641 |
| Empty World Map without 20 Random Countries | 0 | - | 4.93 | 135,810 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 153,822 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,618 |
| Countries by Founding Story | 0 | - | 4.95 | 76,746 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,831 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,552 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,274 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,416 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,142 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,342 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,531 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,092 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,558 |
| Widest Countries East to West | 0 | - | 4.92 | 129,049 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,294 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,522 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,662 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,881 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,865 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,254 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 76,829 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,649 |
| Countries with Double Letters | 0 | - | 4.96 | 93,738 |
| Countries that End in N | 0 | - | 4.94 | 157,174 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,102 |
| Countries with Six Letters | 0 | - | 4.93 | 210,759 |
| Countries with W | 0 | - | 4.97 | 158,451 |
| Countries with Z | 0 | - | 4.98 | 288,304 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,803 |
| Countries That End in U | 0 | - | 4.95 | 119,627 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,923 |
| Countries that End in O | 0 | - | 4.92 | 158,675 |
| Countries that End in R | 0 | - | 4.87 | 118,390 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,945 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,464 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,588 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,686 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,237 |
| Countries That End in Y | 0 | - | 4.90 | 185,302 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,656 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,943 |
| Countries that End in I | 0 | - | 4.94 | 134,563 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,528 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,328 |
| Countries That End in NIA | 0 | - | 4.92 | 109,148 |
| Countries That End in BIA | 0 | - | 4.92 | 147,878 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,292 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,663 |
| Countries That End in RIA | 0 | - | 4.93 | 126,215 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,204 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,808 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,715 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,063 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,626 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,048 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,308 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,825 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,721 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,914 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,380 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 53,032 |
