| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,212 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,401 |
| One Border Countries | 0 | - | 4.98 | 464,875 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,803,864 |
| Landlocked Countries | 0 | - | 4.99 | 414,276 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,972,736 |
| 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 | 148,773 |
| 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 with the Most Borders | 0 | - | 4.97 | 386,065 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,857 |
| 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 | 123,357 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,016 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,686 |
| Danube Countries | 0 | - | 4.97 | 71,138 |
| 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 | 82,616 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,530 |
| European Landlocked Countries | 0 | - | 4.99 | 145,837 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,305 |
| Countries with the Most Species | 0 | - | 4.99 | 95,281 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,448 |
| 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 | 72,630 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,004 |
| Countries in the Alps | 0 | - | 4.86 | 116,930 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,641 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,382 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,068 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,477 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,250 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,061 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,664 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,816 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,530 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,118 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,217 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,081 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,503 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,803 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,795 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,199 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,711 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,290 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,864 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,631 |
| 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 | 156,868 |
| Countries by Countries | 0 | - | 4.96 | 62,324 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,510 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,985 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,829 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,722,202 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,200 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,466 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,059 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,492 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,679 |
| 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 | 81,413 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,799 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,365 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,179 |
| Island Countries | 0 | - | 4.99 | 707,868 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,040,343 |
| Northernmost Countries | 0 | - | 4.99 | 358,067 |
| Countries of South America | 0 | - | 5.00 | 915,929 |
| Countries of Oceania | 0 | - | 5.00 | 1,041,964 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,850,610 |
| "Land" Countries | 0 | - | 4.98 | 333,818 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,992 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,364,147 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,595 |
| Countries with Megacities | 0 | - | 4.99 | 247,507 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,433 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,183 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,853 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,110 |
| Countries by Official Language | 0 | - | 4.95 | 192,913 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,328 |
| Countries in their Native Language | 0 | - | 4.99 | 196,767 |
| Independence from Whom | 0 | - | 4.99 | 209,864 |
| Subdivisions by Country | 0 | - | 4.86 | 50,099 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,882 |
| Megadiverse Countries | 0 | - | 4.97 | 133,960 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,936 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,950 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,463 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,874 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,745 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,044 |
| 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 | 75,721 |
| 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 | 136,532 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,727 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,054 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,772 |
| World Map Quiz | 0 | - | 4.81 | 63,631 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 153,066 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,499 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,285 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,033 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,951 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,939 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,131 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,352 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,985 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,392 |
| Widest Countries East to West | 0 | - | 4.92 | 128,721 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,233 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,313 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,599 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,742 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,693 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,116 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 70,434 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,601 |
| Countries with Double Letters | 0 | - | 4.96 | 93,503 |
| Countries that End in N | 0 | - | 4.94 | 156,993 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,813 |
| Countries with Six Letters | 0 | - | 4.93 | 210,489 |
| Countries with W | 0 | - | 4.97 | 158,310 |
| Countries with Z | 0 | - | 4.98 | 288,021 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,629 |
| Countries That End in U | 0 | - | 4.95 | 119,554 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,698 |
| Countries that End in O | 0 | - | 4.92 | 158,594 |
| Countries that End in R | 0 | - | 4.87 | 118,310 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,881 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,218 |
| 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 | 141,100 |
| Countries That End in Y | 0 | - | 4.90 | 185,238 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,479 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,775 |
| Countries that End in I | 0 | - | 4.94 | 134,475 |
| 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 | 109,055 |
| Countries That End in BIA | 0 | - | 4.92 | 147,768 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,143 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,551 |
| Countries That End in RIA | 0 | - | 4.93 | 126,130 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 110,078 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,350 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,573 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,947 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,439 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 73,962 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,186 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,709 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,572 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,845 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 52,884 |
| Countries that End in L | 0 | - | 4.94 | 155,862 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 211,595 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 84,999 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 82,716 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 86,787 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 107,231 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 86,216 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,556 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,351 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,466 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 247,570 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,390 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 138,662 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,459 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 223,785 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 151,773 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,742 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,190 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,436 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,357 |
| Random Countries by Borders | 0 | - | 4.99 | 81,734 |
