| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,852 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,050 |
| One Border Countries | 0 | - | 4.98 | 467,777 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,823,273 |
| Landlocked Countries | 0 | - | 4.99 | 419,136 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,346,447 |
| Countries by Borders #1 | 0 | - | 5.00 | 194,320 |
| Countries with the Longest Total Borders | 0 | - | 4.99 | 312,332 |
| Longest Border by Country #1 | 0 | - | 4.99 | 145,902 |
| Largest Countries with No Borders | 0 | - | 4.97 | 221,158 |
| Countries with Two Borders | 0 | - | 4.99 | 149,681 |
| Countries by Borders #2 | 0 | - | 4.96 | 136,224 |
| Landlocked Countries that Border Each Other | 0 | - | 5.00 | 140,900 |
| Big Countries Bordering Small Countries | 0 | - | 4.99 | 130,781 |
| Largest Countries Bordering Each Other | 0 | - | 4.99 | 115,214 |
| Biggest Countries Bordering the Pacific Ocean | 0 | - | 4.91 | 93,529 |
| Countries by Borders #3 | 0 | - | 4.98 | 97,982 |
| Bordering Countries Forming Words #1 | 0 | - | 4.92 | 75,724 |
| Bordering Countries Forming Words #2 | 0 | - | 4.97 | 32,718 |
| Longest Border by Country #2 | 0 | - | 4.95 | 121,010 |
| Countries with the Most Borders | 0 | - | 4.97 | 387,982 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,063 |
| Himalayan Countries | 0 | - | 4.94 | 137,501 |
| Andean Countries | 0 | - | 4.95 | 83,978 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,251 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,719 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,867 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,373 |
| Danube Countries | 0 | - | 4.97 | 71,686 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,587 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,078 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,686 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,757 |
| European Landlocked Countries | 0 | - | 4.99 | 146,797 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,160 |
| Countries with the Most Species | 0 | - | 4.99 | 102,928 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,297 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,436 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,597 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,320 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,001 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,374 |
| Countries in the Alps | 0 | - | 4.87 | 117,712 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,154 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,400 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,432 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,016 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,124 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,709 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,302 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,205 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,977 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,571 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,496 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,345 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,946 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,202 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,223 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,223 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,077 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,582 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,553 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,462 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,266 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,011 |
| Largest Countries By Category | 0 | - | 4.97 | 157,665 |
| Countries by Countries | 0 | - | 4.96 | 62,855 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,235 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,168 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,339 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,757,810 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,513 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,257 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,739 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,994 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,188 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,714 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,488 |
| Bordering Countries by HDI Difference | 0 | - | 4.90 | 51,867 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 81,972 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,140 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,654 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,191 |
| Island Countries | 0 | - | 4.99 | 709,833 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,046,239 |
| Northernmost Countries | 0 | - | 4.99 | 360,553 |
| Countries of South America | 0 | - | 5.00 | 923,120 |
| Countries of Oceania | 0 | - | 5.00 | 1,051,331 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,866,880 |
| "Land" Countries | 0 | - | 4.98 | 335,834 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,325 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,376,079 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,080 |
| Countries with Megacities | 0 | - | 4.99 | 260,875 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,935 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,020 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,214 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,034 |
| Countries by Official Language | 0 | - | 4.95 | 194,664 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,579 |
| Countries in their Native Language | 0 | - | 4.99 | 198,215 |
| Independence from Whom | 0 | - | 4.99 | 211,355 |
| Subdivisions by Country | 0 | - | 4.86 | 50,294 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,736 |
| Megadiverse Countries | 0 | - | 4.96 | 134,781 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,569 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,191 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,762 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,023 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,727 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,391 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,002 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,492 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,996 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,027 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,726 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,004 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,790 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,163 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,333 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,243 |
| World Map Quiz | 0 | - | 4.81 | 64,563 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,688 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,538 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,942 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,659 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,369 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,533 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,688 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,842 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,273 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,297 |
| Widest Countries East to West | 0 | - | 4.92 | 129,390 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,387 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,975 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,998 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,522 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,236 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,563 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,243 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,729 |
| Countries with Double Letters | 0 | - | 4.97 | 95,118 |
| Countries that End in N | 0 | - | 4.95 | 170,045 |
| Countries with Five Letters | 0 | - | 4.96 | 280,392 |
| Countries with Six Letters | 0 | - | 4.94 | 212,518 |
| Countries with W | 0 | - | 4.97 | 159,536 |
| Countries with Z | 0 | - | 4.98 | 289,844 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,767 |
| Countries That End in U | 0 | - | 4.95 | 120,420 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,776 |
| Countries that End in O | 0 | - | 4.92 | 159,209 |
| Countries that End in R | 0 | - | 4.87 | 118,740 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,518 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,360 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,131 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,095 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,679 |
| Countries That End in Y | 0 | - | 4.90 | 185,653 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,250 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,447 |
| Countries that End in I | 0 | - | 4.94 | 134,877 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,109 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,585 |
| Countries That End in NIA | 0 | - | 4.92 | 109,523 |
| Countries That End in BIA | 0 | - | 4.93 | 148,860 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,743 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,074 |
| Countries That End in RIA | 0 | - | 4.93 | 126,548 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,651 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,741 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,255 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,621 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,146 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,339 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,692 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,255 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,148 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,207 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,846 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,558 |
| Countries that End in L | 0 | - | 4.94 | 156,548 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 214,090 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,157 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 82,999 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 87,275 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 108,843 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 87,464 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,844 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,732 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,790 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,811 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,191 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,645 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,150 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,630 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,599 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,964 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,605 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,678 |
| Random Countries by Borders | 0 | - | 4.99 | 82,299 |
