| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,391 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,632,638 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,590,477 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,105,426 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 451,540 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 166,355 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 118,921 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,795 |
| Countries with Four Letters | 0 | - | 4.99 | 423,328 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,988 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,919 |
| Landlocked Countries | 0 | - | 4.99 | 422,079 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,064 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 183,344 |
| Country Chain | 0 | - | 4.96 | 217,395 |
| Countries by Emojis | 0 | - | 4.99 | 240,411 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,106 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 321,746 |
| Islands by Country #1 | 0 | - | 4.88 | 175,479 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,641 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,038 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,810 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,779,509 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 217,391 |
| Name a Valid Country #3 | 0 | - | 4.99 | 263,660 |
| Name a Valid Country #1 | 0 | - | 4.99 | 291,243 |
| Name a Valid Country #2 | 0 | - | 4.98 | 251,472 |
| Name a Valid Country #4 | 0 | - | 4.97 | 256,642 |
| Name a Valid Country #5 | 0 | - | 4.99 | 207,650 |
| Name a Valid Country #6 | 0 | - | 4.94 | 129,967 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 722,749 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,514 |
| Himalayan Countries | 0 | - | 4.94 | 138,778 |
| Andean Countries | 0 | - | 4.93 | 84,638 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,833 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,866 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,458 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,825 |
| Danube Countries | 0 | - | 4.97 | 72,025 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,025 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,433 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,336 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,812 |
| European Landlocked Countries | 0 | - | 4.99 | 147,151 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,667 |
| Countries with the Most Species | 0 | - | 4.99 | 103,249 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,783 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,598 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,726 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,548 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,240 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,672 |
| Countries in the Alps | 0 | - | 4.87 | 118,223 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,172 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,051 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,662 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,601 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,526 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,954 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,688 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,502 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,184 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,860 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,662 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,533 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,238 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,483 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,536 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,927 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,316 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 63,919 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,094 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,988 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,152 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,238 |
| Largest Countries By Category | 0 | - | 4.97 | 158,232 |
| Countries by Countries | 0 | - | 4.96 | 63,238 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,700 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,293 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,571 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,682 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,640 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,532 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,338 |
| Island Countries | 0 | - | 4.99 | 711,079 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,049,996 |
| Northernmost Countries | 0 | - | 4.99 | 361,999 |
| Countries of South America | 0 | - | 5.00 | 927,487 |
| Countries of Oceania | 0 | - | 5.00 | 1,057,113 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,877,634 |
| "Land" Countries | 0 | - | 4.98 | 337,364 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,170 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,344 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,270 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,860 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,601 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,383,894 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,937 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,345 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,683 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 225,599 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,626 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,131 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,197 |
| Random Countries by Borders | 0 | - | 4.99 | 82,640 |
| Random Name a Valid Country | 0 | - | 4.99 | 205,425 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,920 |
| Countries with Megacities | 0 | - | 4.99 | 264,606 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,754 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,481 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,016 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,553 |
| Countries by Official Language | 0 | - | 4.95 | 195,274 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,395 |
| Countries in their Native Language | 0 | - | 4.99 | 199,060 |
| Independence from Whom | 0 | - | 4.99 | 212,124 |
| Subdivisions by Country | 0 | - | 4.86 | 50,434 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,748 |
| Megadiverse Countries | 0 | - | 4.96 | 135,018 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,113 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,365 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,239 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,110 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,151 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,602 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,486 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,035 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,662 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,149 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,685 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,889 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,207 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,969 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,357 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,501 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,209 |
| Countries with Shortest Maximum Distances to the Ocean | 0 | - | 4.13 | 30,998 |
| World Map Quiz | 0 | - | 4.81 | 65,106 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 138,633 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,337 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,357 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,109 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,283 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,002 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,217 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,900 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,019 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,307 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,444 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,583 |
| Widest Countries East to West | 0 | - | 4.92 | 129,656 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,460 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,389 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,123 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,772 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,606 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,878 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,376 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,799 |
| Countries with Double Letters | 0 | - | 4.96 | 96,246 |
| Countries that End in N | 0 | - | 4.95 | 171,133 |
| Countries with Five Letters | 0 | - | 4.96 | 282,489 |
| Countries with Six Letters | 0 | - | 4.94 | 213,555 |
| Countries with W | 0 | - | 4.97 | 160,329 |
| Countries with Z | 0 | - | 4.98 | 291,460 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,704 |
| Countries That End in U | 0 | - | 4.95 | 120,858 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,469 |
| Countries that End in O | 0 | - | 4.92 | 159,510 |
| Countries that End in R | 0 | - | 4.87 | 118,971 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,731 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,099 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,700 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,475 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,399 |
| Countries That End in Y | 0 | - | 4.91 | 185,873 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,922 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,859 |
| Countries that End in I | 0 | - | 4.94 | 135,093 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,111 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,822 |
| Countries That End in NIA | 0 | - | 4.92 | 109,786 |
| Countries That End in BIA | 0 | - | 4.93 | 149,200 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,121 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,425 |
| Countries That End in RIA | 0 | - | 4.93 | 126,806 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,022 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,625 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,709 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,124 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,676 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,577 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,029 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,444 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,527 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,422 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,287 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,983 |
| Countries that End in L | 0 | - | 4.94 | 156,840 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 215,781 |
