| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,717 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,897 |
| One Border Countries | 0 | - | 4.98 | 467,083 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,818,237 |
| Landlocked Countries | 0 | - | 4.99 | 417,768 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,250,662 |
| Countries by Borders #1 | 0 | - | 5.00 | 194,170 |
| Countries with the Longest Total Borders | 0 | - | 4.99 | 312,027 |
| Longest Border by Country #1 | 0 | - | 4.99 | 145,802 |
| Largest Countries with No Borders | 0 | - | 4.97 | 220,929 |
| Countries with Two Borders | 0 | - | 4.99 | 149,548 |
| Countries by Borders #2 | 0 | - | 4.96 | 136,124 |
| Landlocked Countries that Border Each Other | 0 | - | 5.00 | 140,799 |
| Big Countries Bordering Small Countries | 0 | - | 4.99 | 130,668 |
| Largest Countries Bordering Each Other | 0 | - | 4.99 | 115,107 |
| Biggest Countries Bordering the Pacific Ocean | 0 | - | 4.91 | 93,454 |
| Countries by Borders #3 | 0 | - | 4.98 | 97,890 |
| Bordering Countries Forming Words #1 | 0 | - | 4.92 | 75,688 |
| Bordering Countries Forming Words #2 | 0 | - | 4.97 | 32,696 |
| Longest Border by Country #2 | 0 | - | 4.95 | 120,921 |
| Countries with the Most Borders | 0 | - | 4.97 | 387,528 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,422 |
| Himalayan Countries | 0 | - | 4.94 | 136,931 |
| Andean Countries | 0 | - | 4.95 | 83,687 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,944 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,284 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,608 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,196 |
| Danube Countries | 0 | - | 4.97 | 71,536 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,376 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,950 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,421 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,482 |
| European Landlocked Countries | 0 | - | 4.99 | 146,409 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,963 |
| Countries with the Most Species | 0 | - | 4.99 | 102,647 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,094 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,380 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,551 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,231 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,893 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,277 |
| Countries in the Alps | 0 | - | 4.86 | 117,508 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,011 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,141 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,342 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,858 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,957 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,368 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,131 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,089 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,891 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,439 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,422 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,273 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,829 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,103 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,115 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,957 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,979 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,508 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,374 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,726 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,912 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,912 |
| Largest Countries By Category | 0 | - | 4.97 | 157,457 |
| Countries by Countries | 0 | - | 4.96 | 62,727 |
| Country Flags with the Most White | 0 | - | 4.87 | 138,045 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,123 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,211 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,749,226 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,427 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,045 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,565 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,865 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,047 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,590 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,382 |
| Bordering Countries by HDI Difference | 0 | - | 4.90 | 51,827 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 81,800 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,972 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,285 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,496 |
| Island Countries | 0 | - | 4.99 | 709,287 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,044,785 |
| Northernmost Countries | 0 | - | 4.99 | 359,957 |
| Countries of South America | 0 | - | 5.00 | 921,388 |
| Countries of Oceania | 0 | - | 5.00 | 1,049,106 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,862,700 |
| "Land" Countries | 0 | - | 4.98 | 335,472 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,248 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,373,132 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,641 |
| Countries with Megacities | 0 | - | 4.99 | 249,693 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,478 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,761 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,815 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,733 |
| Countries by Official Language | 0 | - | 4.95 | 194,422 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,241 |
| Countries in their Native Language | 0 | - | 4.99 | 197,985 |
| Independence from Whom | 0 | - | 4.99 | 211,088 |
| Subdivisions by Country | 0 | - | 4.86 | 50,244 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,532 |
| Megadiverse Countries | 0 | - | 4.96 | 134,684 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,108 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,140 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,692 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,983 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,572 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,302 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,794 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,440 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,869 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,600 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,651 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,799 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,716 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,981 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,274 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,878 |
| World Map Quiz | 0 | - | 4.81 | 64,320 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 154,973 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,285 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,801 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,527 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,022 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,406 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,582 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,738 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,205 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,194 |
| Widest Countries East to West | 0 | - | 4.92 | 129,256 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,356 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,801 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,964 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,430 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,099 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,452 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,181 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,705 |
| Countries with Double Letters | 0 | - | 4.97 | 94,816 |
| Countries that End in N | 0 | - | 4.95 | 169,316 |
| Countries with Five Letters | 0 | - | 4.96 | 277,345 |
| Countries with Six Letters | 0 | - | 4.94 | 212,160 |
| Countries with W | 0 | - | 4.97 | 159,314 |
| Countries with Z | 0 | - | 4.98 | 289,508 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,520 |
| Countries That End in U | 0 | - | 4.95 | 120,299 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,537 |
| Countries that End in O | 0 | - | 4.92 | 159,112 |
| Countries that End in R | 0 | - | 4.87 | 118,664 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,443 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,109 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,974 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,982 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,566 |
| Countries That End in Y | 0 | - | 4.90 | 185,581 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,064 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,279 |
| Countries that End in I | 0 | - | 4.94 | 134,793 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,900 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,509 |
| Countries That End in NIA | 0 | - | 4.92 | 109,426 |
| Countries That End in BIA | 0 | - | 4.93 | 148,731 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,589 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,943 |
| Countries That End in RIA | 0 | - | 4.93 | 126,442 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,525 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,404 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,063 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,405 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,990 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,251 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,582 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,121 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,020 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,130 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,390 |
| Countries that End in L | 0 | - | 4.94 | 156,454 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 213,537 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,131 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 82,937 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 87,149 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 108,246 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 87,018 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,783 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,650 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,702 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,529 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,972 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,492 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,950 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,426 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,283 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,901 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,329 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,566 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,586 |
| Random Countries by Borders | 0 | - | 4.99 | 82,177 |
