| Boundary Waters | 0 | - | 4.92 | 88,747 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,398 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,662 |
| Landlocked Countries | 0 | - | 4.99 | 425,318 |
| United States Immigration by Country | 0 | - | 4.69 | 161,363 |
| Countries With the Most Expats | 0 | - | 4.69 | 49,624 |
| Countries with the Most Immigrants per Capita | 0 | - | 4.53 | 62,727 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,848,782 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,908 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,922 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,948 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,040 |
| Himalayan Countries | 0 | - | 4.93 | 140,059 |
| Andean Countries | 0 | - | 4.94 | 85,336 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,486 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,863 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,070 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,345 |
| Danube Countries | 0 | - | 4.97 | 72,333 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,518 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,779 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,015 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,523 |
| European Landlocked Countries | 0 | - | 4.99 | 147,556 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,218 |
| Countries with the Most Species | 0 | - | 4.99 | 103,530 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,344 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,756 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,860 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,805 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,534 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,973 |
| Countries in the Alps | 0 | - | 4.87 | 118,706 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,520 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,773 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,931 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,982 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,901 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,209 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,347 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,815 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,387 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,139 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,838 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,707 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,522 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,744 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,844 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,731 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,576 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,732 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,619 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,511 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,036 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,480 |
| Largest Countries By Category | 0 | - | 4.97 | 158,793 |
| Countries by Countries | 0 | - | 4.96 | 63,596 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,208 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,384 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,062 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,429 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,969 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,762 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,609 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,990 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,542 |
| Longest International Borders | 0 | - | 4.99 | 265,773 |
| Countries with Three Borders | 0 | - | 4.96 | 36,755 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,333 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,477 |
| Demonym of Every Country | 0 | - | 4.90 | 61,436 |
| World Capitals Quiz | 0 | - | 5.00 | 5,103,778 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,801,849 |
| Famous Immigrants and Exiles | 0 | - | 4.46 | 23,721 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,388 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,088 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,598,685 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,554 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,474 |
| Island Countries | 0 | - | 4.99 | 712,405 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,054,295 |
| Northernmost Countries | 0 | - | 4.99 | 363,814 |
| Countries of South America | 0 | - | 5.00 | 932,084 |
| Countries of Oceania | 0 | - | 5.00 | 1,062,599 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,887,911 |
| "Land" Countries | 0 | - | 4.98 | 338,302 |
| Top World Languages | 0 | - | 4.92 | 829,297 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,722 |
| Globe Grid | 0 | - | 4.32 | 32,035 |
| World Map Divided into Regions | 0 | - | 4.19 | 42,138 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,959 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,033 |
| Countries with Megacities | 0 | - | 4.99 | 266,895 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,747 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,054 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,065 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,179 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,232 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,293 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,946 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,173 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,173 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,079 |
| Countries by Capital City | 0 | - | 5.00 | 69,320 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,818 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,190 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,775 |
| Moved Capital Cities | 0 | - | 4.96 | 74,618 |
| Countries by Official Language | 0 | - | 4.95 | 195,930 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,535 |
| Countries in their Native Language | 0 | - | 4.99 | 199,673 |
| Independence from Whom | 0 | - | 4.99 | 212,982 |
| Subdivisions by Country | 0 | - | 4.87 | 50,598 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,376 |
| Megadiverse Countries | 0 | - | 4.96 | 135,257 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,888 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,518 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,508 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,217 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,666 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,823 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,065 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,551 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,889 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,248 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,454 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,354 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,424 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,132 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,561 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,745 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,392,661 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,250 |
| World Map Quiz | 0 | - | 4.81 | 65,639 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 159,045 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,678 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,178 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,024 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,520 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,465 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,397 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,493 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,693 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,666 |
| Tallest Countries North to South | 0 | - | 4.86 | 130,599 |
| Widest Countries East to West | 0 | - | 4.92 | 130,415 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,587 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,207 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,501 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,033 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,943 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,442 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,487 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,886 |
| Countries with Double Letters | 0 | - | 4.96 | 96,997 |
| Countries that End in N | 0 | - | 4.95 | 171,871 |
| Countries with Five Letters | 0 | - | 4.96 | 283,661 |
| Countries with Six Letters | 0 | - | 4.94 | 214,394 |
| Countries with W | 0 | - | 4.96 | 160,893 |
| Countries with Z | 0 | - | 4.98 | 292,358 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,247 |
| Countries That End in U | 0 | - | 4.95 | 121,165 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,049 |
| Countries that End in O | 0 | - | 4.92 | 160,192 |
| Countries that End in R | 0 | - | 4.87 | 119,162 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,916 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,777 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 171,112 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,790 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,718 |
| Countries That End in Y | 0 | - | 4.91 | 186,077 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,412 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,240 |
| Countries that End in I | 0 | - | 4.94 | 135,299 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,572 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,036 |
| Countries That End in NIA | 0 | - | 4.92 | 110,029 |
| Countries That End in BIA | 0 | - | 4.93 | 149,555 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,494 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,750 |
| Countries That End in RIA | 0 | - | 4.93 | 127,035 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,359 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,521 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,137 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,575 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 92,140 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,788 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,304 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,529 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,874 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,639 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,685 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,374 |
| Countries that End in L | 0 | - | 4.94 | 157,095 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 217,862 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,338 |
| City to Country Quiz #1 | 0 | - | 4.97 | 157,433 |
| City to Country Quiz #3 | 0 | - | 4.88 | 119,938 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 79,413 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 250,363 |
