| Boundary Waters | 0 | - | 4.92 | 88,389 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,096 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,935 |
| Landlocked Countries | 0 | - | 4.99 | 419,174 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,349,258 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,510 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,705 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,945 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,081 |
| Himalayan Countries | 0 | - | 4.95 | 137,514 |
| Andean Countries | 0 | - | 4.95 | 83,985 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,256 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,730 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,878 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,378 |
| Danube Countries | 0 | - | 4.97 | 71,688 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,594 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,084 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,689 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,762 |
| European Landlocked Countries | 0 | - | 4.99 | 146,800 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,165 |
| Countries with the Most Species | 0 | - | 4.99 | 102,935 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,304 |
| 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 | 73,003 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,384 |
| Countries in the Alps | 0 | - | 4.87 | 117,719 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,159 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,407 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,434 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,022 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,126 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,728 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,304 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,208 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,977 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,572 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,496 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,348 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,948 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,206 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,227 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,232 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,080 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,583 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,557 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,476 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,271 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,012 |
| Largest Countries By Category | 0 | - | 4.97 | 157,672 |
| Countries by Countries | 0 | - | 4.96 | 62,856 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,239 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,168 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,340 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,396 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,748 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,245 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,396 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,132 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,087 |
| Longest International Borders | 0 | - | 4.99 | 264,695 |
| Countries with Three Borders | 0 | - | 4.96 | 36,463 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,924 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,024 |
| World Capitals Quiz | 0 | - | 5.00 | 5,064,959 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,758,007 |
| Demonyms Quiz | 0 | - | 4.15 | 185,088 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,287 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,175 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,583,347 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,663 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,206 |
| Island Countries | 0 | - | 4.99 | 709,849 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,046,279 |
| Northernmost Countries | 0 | - | 4.99 | 360,565 |
| Countries of South America | 0 | - | 5.00 | 923,175 |
| Countries of Oceania | 0 | - | 5.00 | 1,051,505 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,867,001 |
| "Land" Countries | 0 | - | 4.98 | 335,838 |
| Top World Languages | 0 | - | 4.92 | 820,471 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,352 |
| Globe Grid | 0 | - | 4.32 | 31,983 |
| World Map Divided into Regions | 0 | - | 4.18 | 41,707 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,185 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,089 |
| Countries with Megacities | 0 | - | 4.99 | 261,000 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,948 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,024 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,225 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,041 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,901 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,996 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,260 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,303 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,007 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,691 |
| Countries by Capital City | 0 | - | 5.00 | 67,969 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,996 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,489 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,000 |
| Moved Capital Cities | 0 | - | 4.96 | 74,077 |
| Countries by Official Language | 0 | - | 4.95 | 194,672 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,588 |
| Countries in their Native Language | 0 | - | 4.99 | 198,219 |
| Independence from Whom | 0 | - | 4.99 | 211,368 |
| Subdivisions by Country | 0 | - | 4.86 | 50,295 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,747 |
| Megadiverse Countries | 0 | - | 4.96 | 134,785 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,572 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,194 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,762 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,024 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,728 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,396 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,007 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,854 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,496 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,998 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,033 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,727 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,006 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,791 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,166 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,334 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,376,172 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,252 |
| World Map Quiz | 0 | - | 4.81 | 64,575 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,697 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,052 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,550 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,949 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,667 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,385 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,537 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,693 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,848 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,277 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,304 |
| Widest Countries East to West | 0 | - | 4.92 | 129,394 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,387 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,978 |
| 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 | 94,525 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,242 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,569 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,245 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,730 |
| Countries with Double Letters | 0 | - | 4.97 | 95,121 |
| Countries that End in N | 0 | - | 4.95 | 170,055 |
| Countries with Five Letters | 0 | - | 4.96 | 280,428 |
| Countries with Six Letters | 0 | - | 4.94 | 212,526 |
| Countries with W | 0 | - | 4.97 | 159,539 |
| Countries with Z | 0 | - | 4.98 | 289,850 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,779 |
| Countries That End in U | 0 | - | 4.95 | 120,424 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,783 |
| Countries that End in O | 0 | - | 4.92 | 159,211 |
| Countries that End in R | 0 | - | 4.87 | 118,744 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,518 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,370 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,134 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,099 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,684 |
| Countries That End in Y | 0 | - | 4.91 | 185,654 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,254 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,454 |
| Countries that End in I | 0 | - | 4.94 | 134,881 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,111 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,586 |
| Countries That End in NIA | 0 | - | 4.92 | 109,525 |
| Countries That End in BIA | 0 | - | 4.93 | 148,863 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,746 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,080 |
| Countries That End in RIA | 0 | - | 4.93 | 126,553 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,657 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,752 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,260 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,627 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,148 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,339 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,695 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,256 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,149 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,208 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,849 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,559 |
| Countries that End in L | 0 | - | 4.94 | 156,548 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 214,103 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,157 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,849 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,734 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,791 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,814 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,195 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,649 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,151 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,639 |
