| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 116,056 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,645 |
| Countries With No Rivers | 0 | - | 4.96 | 77,225 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 84,205 |
| Countries with Fjords | 0 | - | 4.94 | 101,517 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 75,047 |
| Countries with the Longest Coastlines | 0 | - | 4.81 | 414,295 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,889 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,211 |
| North Sea Countries | 0 | - | 4.92 | 87,752 |
| Black Sea Countries | 0 | - | 4.87 | 60,780 |
| Countries That Touch the Red Sea | 0 | - | 4.91 | 65,638 |
| Caspian Sea Countries | 0 | - | 4.91 | 63,730 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,407 |
| Megadiverse Countries | 0 | - | 4.96 | 147,099 |
| African Great Lakes | 0 | - | 4.82 | 67,060 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,679 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,801 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,754 |
| Top 10 European Countries by Coastline | 0 | - | 4.86 | 138,784 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,730 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,934,095 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,678 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,745 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,611 |
| Landlocked Countries | 0 | - | 4.99 | 426,780 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,809,116 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 228,029 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 113,239 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,701 |
| European Countries with One Border | 0 | - | 4.97 | 183,935 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,650 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,917 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,163 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,758 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,914 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,097 |
| Island Countries | 0 | - | 4.99 | 712,830 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,684 |
| Himalayan Countries | 0 | - | 4.93 | 140,614 |
| Andean Countries | 0 | - | 4.94 | 85,687 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,818 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,321 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,375 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,604 |
| Danube Countries | 0 | - | 4.97 | 72,498 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,719 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,921 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,334 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,784 |
| European Landlocked Countries | 0 | - | 4.99 | 147,690 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,447 |
| Countries with the Most Species | 0 | - | 4.99 | 103,616 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,554 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,799 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,929 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,893 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,639 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,092 |
| Countries in the Alps | 0 | - | 4.87 | 118,896 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,856 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,033 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,029 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,119 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,067 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,341 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,508 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,952 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,484 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,269 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,928 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,805 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,628 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,875 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,975 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,053 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,679 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 75,929 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,773 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,047 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,358 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,577 |
| Largest Countries By Category | 0 | - | 4.97 | 158,990 |
| Countries by Countries | 0 | - | 4.97 | 63,742 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,395,727 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,182 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,055,586 |
| Northernmost Countries | 0 | - | 4.99 | 364,367 |
| Landforms by Country | 0 | - | 4.52 | 52,027 |
| Countries of South America | 0 | - | 5.00 | 933,631 |
| Countries of Oceania | 0 | - | 5.00 | 1,064,642 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,891,473 |
| "Land" Countries | 0 | - | 4.98 | 338,715 |
| Countries That Border Russia | 0 | - | 4.98 | 464,707 |
| Countries Bordering France | 0 | - | 4.83 | 405,152 |
| Countries Bordering Germany | 0 | - | 4.99 | 372,055 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,220 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,644 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 154,972 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 89,505 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,347 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,658 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,725 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,455,273 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,782 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,377 |
| Countries with Megacities | 0 | - | 4.99 | 267,563 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,030 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,259 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,362 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,362 |
| Capitals by River | 0 | - | 4.55 | 48,397 |
| Countries by Official Language | 0 | - | 4.95 | 196,144 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,817 |
| Countries in their Native Language | 0 | - | 4.99 | 199,873 |
| Independence from Whom | 0 | - | 4.99 | 213,284 |
| Subdivisions by Country | 0 | - | 4.87 | 50,645 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,586 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,061 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,562 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,764 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,243 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,385 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,382 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,901 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,211 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,601 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,134 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,280 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,680 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,449 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,478 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,193 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,614 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,931 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,770 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,414 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,174 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,640 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,786 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,501 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,616 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,807 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,738 |
| Tallest Countries North to South | 0 | - | 4.85 | 130,877 |
| Widest Countries East to West | 0 | - | 4.92 | 130,791 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,621 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,334 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,544 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,114 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,064 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,561 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 77,523 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,914 |
| Countries with Double Letters | 0 | - | 4.96 | 97,395 |
| Countries that End in N | 0 | - | 4.95 | 172,451 |
| Countries with Five Letters | 0 | - | 4.96 | 284,375 |
| Countries with Six Letters | 0 | - | 4.94 | 214,757 |
| Countries with W | 0 | - | 4.96 | 161,156 |
| Countries with Z | 0 | - | 4.98 | 292,773 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,521 |
| Countries That End in U | 0 | - | 4.95 | 121,309 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,294 |
| Countries that End in O | 0 | - | 4.92 | 160,309 |
| Countries that End in R | 0 | - | 4.87 | 119,241 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 156,011 |
| Countries Ending in "IA" | 0 | - | 4.99 | 210,030 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 180,215 |
| Countries by Last Two Letters | 0 | - | 4.85 | 136,026 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 143,333 |
| Countries That End in Y | 0 | - | 4.91 | 186,138 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,914 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,357 |
| Countries that End in I | 0 | - | 4.94 | 135,378 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,991 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,109 |
| Countries That End in NIA | 0 | - | 4.92 | 110,116 |
| Countries That End in BIA | 0 | - | 4.93 | 149,678 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,855 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 119,844 |
| Countries That End in RIA | 0 | - | 4.93 | 127,110 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 111,486 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,817 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,305 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,765 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 92,314 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,869 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,390 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,573 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,690 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,526 |
| Countries that End in L | 0 | - | 4.94 | 157,201 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 218,338 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,367 |
| City to Country Quiz #1 | 0 | - | 4.97 | 157,744 |
| City to Country Quiz #3 | 0 | - | 4.88 | 120,100 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 79,514 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 250,576 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 201,244 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 143,485 |
