| One Border Countries | 0 | - | 4.98 | 466,912 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,817,011 |
| Countries with the Most Borders | 0 | - | 4.97 | 387,410 |
| Countries by Borders #1 | 0 | - | 5.00 | 194,142 |
| Countries with the Longest Total Borders | 0 | - | 4.99 | 311,937 |
| Longest Border by Country #1 | 0 | - | 4.99 | 145,772 |
| Largest Countries with No Borders | 0 | - | 4.97 | 220,882 |
| Countries with Two Borders | 0 | - | 4.99 | 149,520 |
| Countries by Borders #2 | 0 | - | 4.96 | 136,098 |
| Landlocked Countries that Border Each Other | 0 | - | 5.00 | 140,769 |
| Big Countries Bordering Small Countries | 0 | - | 4.99 | 130,623 |
| Largest Countries Bordering Each Other | 0 | - | 4.99 | 115,081 |
| Biggest Countries Bordering the Pacific Ocean | 0 | - | 4.91 | 93,432 |
| Countries by Borders #3 | 0 | - | 4.98 | 97,864 |
| Bordering Countries Forming Words #1 | 0 | - | 4.92 | 75,671 |
| Bordering Countries Forming Words #2 | 0 | - | 4.97 | 32,691 |
| Longest Border by Country #2 | 0 | - | 4.95 | 120,900 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,394 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,998 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,522 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,834 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,007 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,564 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,362 |
| Bordering Countries by HDI Difference | 0 | - | 4.90 | 51,813 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 81,762 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,662 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,826 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,227 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,228,523 |
| Landlocked Countries | 0 | - | 4.99 | 417,445 |
| Smallest Countries Bordering Each Other | 0 | - | 4.63 | 92,577 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,747,018 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,298 |
| Himalayan Countries | 0 | - | 4.95 | 136,816 |
| Andean Countries | 0 | - | 4.95 | 83,636 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,889 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,215 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,561 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,156 |
| Danube Countries | 0 | - | 4.97 | 71,507 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,337 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,924 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,344 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,384 |
| European Landlocked Countries | 0 | - | 4.99 | 146,218 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,913 |
| Countries with the Most Species | 0 | - | 4.99 | 102,516 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,037 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,364 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,541 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,212 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,872 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,253 |
| Countries in the Alps | 0 | - | 4.86 | 117,460 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,980 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,083 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,321 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,829 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,926 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,337 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,095 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,060 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,874 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,414 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,413 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,254 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,806 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,073 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,083 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,887 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,955 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,484 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,330 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,518 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,829 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,887 |
| Largest Countries By Category | 0 | - | 4.97 | 157,397 |
| Countries by Countries | 0 | - | 4.96 | 62,692 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,114 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,178 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,745 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,190 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,348 |
| Island Countries | 0 | - | 4.99 | 709,177 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,044,420 |
| Northernmost Countries | 0 | - | 4.99 | 359,827 |
| Countries of South America | 0 | - | 5.00 | 920,865 |
| Countries of Oceania | 0 | - | 5.00 | 1,048,586 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,861,642 |
| "Land" Countries | 0 | - | 4.98 | 335,323 |
| Which Country Does Not Border... | 0 | - | 4.78 | 93,336 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,372,506 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 82,920 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 87,098 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 107,893 |
| Countries Bordering Two or More Oceans | 0 | - | 4.22 | 122,564 |
| Borders of One Border Countries | 0 | - | 4.14 | 86,102 |
| Random Countries by Borders | 0 | - | 4.99 | 82,128 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,553 |
| Countries with Megacities | 0 | - | 4.99 | 249,534 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,401 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,712 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,737 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,676 |
| Countries by Official Language | 0 | - | 4.95 | 194,332 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,151 |
| Countries in their Native Language | 0 | - | 4.99 | 197,917 |
| Independence from Whom | 0 | - | 4.99 | 211,024 |
| Subdivisions by Country | 0 | - | 4.86 | 50,235 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,488 |
| Megadiverse Countries | 0 | - | 4.96 | 134,646 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,060 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,123 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,679 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,971 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,538 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,286 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,741 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,417 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,824 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,539 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,632 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,733 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,692 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,912 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,254 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,801 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,227 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,767 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,495 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,955 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,377 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,546 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,705 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,192 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,176 |
| Widest Countries East to West | 0 | - | 4.92 | 129,245 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,345 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,769 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,953 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,263 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,065 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,436 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,166 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,696 |
| Countries with Double Letters | 0 | - | 4.97 | 94,715 |
| Countries that End in N | 0 | - | 4.95 | 169,020 |
| Countries with Five Letters | 0 | - | 4.96 | 275,453 |
| Countries with Six Letters | 0 | - | 4.94 | 212,003 |
| Countries with W | 0 | - | 4.97 | 159,238 |
| Countries with Z | 0 | - | 4.98 | 289,379 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,441 |
| Countries That End in U | 0 | - | 4.95 | 120,252 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,459 |
| Countries that End in O | 0 | - | 4.92 | 159,070 |
| Countries that End in R | 0 | - | 4.87 | 118,636 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,405 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,029 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,922 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,943 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,529 |
| Countries That End in Y | 0 | - | 4.90 | 185,545 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,018 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,237 |
| Countries that End in I | 0 | - | 4.94 | 134,755 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,842 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,480 |
| Countries That End in NIA | 0 | - | 4.92 | 109,394 |
| Countries That End in BIA | 0 | - | 4.93 | 148,680 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,548 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,901 |
| Countries That End in RIA | 0 | - | 4.93 | 126,418 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,483 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,314 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,005 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,329 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,956 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,228 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,556 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,085 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,966 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,109 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 53,345 |
| Countries that End in L | 0 | - | 4.94 | 156,411 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 213,404 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,124 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,764 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,629 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,683 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,478 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,922 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,463 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,915 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,379 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,114 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,894 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,317 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,550 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,568 |
