| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,212 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,402 |
| One Border Countries | 0 | - | 4.98 | 464,879 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,803,887 |
| Countries with the Highest Life Expectancy | 0 | - | 4.89 | 207,311 |
| Countries by Borders #1 | 0 | - | 5.00 | 193,697 |
| Countries with the Longest Total Borders | 0 | - | 4.99 | 310,758 |
| Longest Border by Country #1 | 0 | - | 4.99 | 145,425 |
| Largest Countries with No Borders | 0 | - | 4.97 | 220,169 |
| Countries with Two Borders | 0 | - | 4.99 | 148,782 |
| Countries by Borders #2 | 0 | - | 4.96 | 135,545 |
| Landlocked Countries that Border Each Other | 0 | - | 5.00 | 140,361 |
| Big Countries Bordering Small Countries | 0 | - | 4.99 | 130,297 |
| Largest Countries Bordering Each Other | 0 | - | 4.99 | 114,782 |
| Biggest Countries Bordering the Pacific Ocean | 0 | - | 4.91 | 93,211 |
| Countries by Borders #3 | 0 | - | 4.98 | 97,570 |
| Bordering Countries Forming Words #1 | 0 | - | 4.92 | 75,577 |
| Bordering Countries Forming Words #2 | 0 | - | 4.97 | 32,608 |
| Longest Border by Country #2 | 0 | - | 4.95 | 120,674 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,973,652 |
| Landlocked Countries | 0 | - | 4.99 | 414,287 |
| Countries with the Most Borders | 0 | - | 4.97 | 386,071 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,722,310 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,201 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,470 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,060 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,494 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,681 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,863 |
| Himalayan Countries | 0 | - | 4.95 | 135,593 |
| Andean Countries | 0 | - | 4.94 | 82,951 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,314 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,359 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,017 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,686 |
| Danube Countries | 0 | - | 4.97 | 71,140 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,845 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,606 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,619 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,533 |
| European Landlocked Countries | 0 | - | 4.99 | 145,838 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,305 |
| Countries with the Most Species | 0 | - | 4.99 | 95,284 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,450 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,223 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,391 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,992 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,633 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,004 |
| Countries in the Alps | 0 | - | 4.86 | 116,933 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,641 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,384 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,070 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,477 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,253 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,062 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,664 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,819 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,533 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,120 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,218 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,082 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,507 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,803 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,796 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,203 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,713 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,290 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,865 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,637 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,889 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,648 |
| Largest Countries By Category | 0 | - | 4.97 | 156,869 |
| Countries by Countries | 0 | - | 4.96 | 62,326 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,513 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,986 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,832 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,177 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 138,958 |
| Bordering Countries by HDI Difference | 0 | - | 4.90 | 51,700 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 81,414 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,811 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,367 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,182 |
| Island Countries | 0 | - | 4.99 | 707,872 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,040,362 |
| Northernmost Countries | 0 | - | 4.99 | 358,077 |
| Countries of South America | 0 | - | 5.00 | 915,942 |
| Countries of Oceania | 0 | - | 5.00 | 1,041,977 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,850,649 |
| "Land" Countries | 0 | - | 4.98 | 333,824 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,995 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,364,183 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 82,717 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 86,787 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 107,233 |
| Random Countries by Borders | 0 | - | 4.99 | 81,734 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,599 |
| Countries with Megacities | 0 | - | 4.99 | 247,514 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,438 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,186 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,857 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,116 |
| Countries by Official Language | 0 | - | 4.95 | 192,917 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,329 |
| Countries in their Native Language | 0 | - | 4.99 | 196,769 |
| Independence from Whom | 0 | - | 4.99 | 209,866 |
| Subdivisions by Country | 0 | - | 4.86 | 50,099 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,885 |
| Megadiverse Countries | 0 | - | 4.97 | 133,960 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,938 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,951 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,464 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,875 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,745 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,046 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,166 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,244 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,759 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,724 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,453 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,542 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,534 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,728 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,055 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,773 |
| World Map Quiz | 0 | - | 4.81 | 63,633 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 153,073 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,505 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,289 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,036 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,954 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,947 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,135 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,355 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,985 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,393 |
| Widest Countries East to West | 0 | - | 4.92 | 128,734 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,235 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,314 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,600 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,744 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,693 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,117 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 70,702 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,604 |
| Countries with Double Letters | 0 | - | 4.96 | 93,508 |
| Countries that End in N | 0 | - | 4.94 | 156,995 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,817 |
| Countries with Six Letters | 0 | - | 4.93 | 210,495 |
| Countries with W | 0 | - | 4.97 | 158,312 |
| Countries with Z | 0 | - | 4.98 | 288,027 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,630 |
| Countries That End in U | 0 | - | 4.95 | 119,555 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,704 |
| Countries that End in O | 0 | - | 4.92 | 158,595 |
| Countries that End in R | 0 | - | 4.87 | 118,311 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,881 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,221 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,420 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,555 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,101 |
| Countries That End in Y | 0 | - | 4.90 | 185,239 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,480 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,777 |
| Countries that End in I | 0 | - | 4.94 | 134,477 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,306 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,238 |
| Countries That End in NIA | 0 | - | 4.92 | 109,057 |
| Countries That End in BIA | 0 | - | 4.92 | 147,768 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,146 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,554 |
| Countries That End in RIA | 0 | - | 4.93 | 126,130 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 110,082 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,368 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,576 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,949 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,439 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 73,963 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,188 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,710 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,574 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,846 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 52,886 |
| Countries that End in L | 0 | - | 4.94 | 155,876 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 211,603 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,001 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,559 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,352 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,466 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 247,573 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,394 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 138,749 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,462 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 223,790 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 151,775 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,743 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,191 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,436 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,358 |
