| Boundary Waters | 0 | - | 4.92 | 88,125 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,897 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,490 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,048,665 |
| Landlocked Countries | 0 | - | 4.99 | 415,271 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,285 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,082 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,323 |
| World Capitals Quiz | 0 | - | 5.00 | 5,042,153 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,254 |
| Himalayan Countries | 0 | - | 4.95 | 135,946 |
| Andean Countries | 0 | - | 4.94 | 83,157 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,472 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,606 |
| Coffee Producing Countries | 0 | - | 4.82 | 66,173 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,822 |
| Danube Countries | 0 | - | 4.97 | 71,254 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,986 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,704 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,843 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,778 |
| European Landlocked Countries | 0 | - | 4.99 | 145,953 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,501 |
| Countries with the Most Species | 0 | - | 4.99 | 95,335 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,631 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,267 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,438 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,061 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,711 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,066 |
| Countries in the Alps | 0 | - | 4.86 | 117,108 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,749 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,571 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,153 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,574 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,368 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,131 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,785 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,889 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,680 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,202 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,270 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,136 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,610 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,873 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,885 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,442 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,791 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,348 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,011 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,204 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,165 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,719 |
| Largest Countries By Category | 0 | - | 4.97 | 157,008 |
| Countries by Countries | 0 | - | 4.96 | 62,432 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,651 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,020 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,927 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,729,944 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,877 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,551 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,709 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,284 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,871 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,748 |
| Longest International Borders | 0 | - | 4.99 | 264,096 |
| Countries with Three Borders | 0 | - | 4.96 | 36,282 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,696 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,788 |
| Demonym of Every Country | 0 | - | 4.91 | 58,790 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,730 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,574,654 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,755 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,721 |
| Island Countries | 0 | - | 4.99 | 708,288 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,041,581 |
| Northernmost Countries | 0 | - | 4.99 | 358,642 |
| Countries of South America | 0 | - | 5.00 | 917,643 |
| Countries of Oceania | 0 | - | 5.00 | 1,043,980 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,853,980 |
| "Land" Countries | 0 | - | 4.98 | 334,078 |
| Top World Languages | 0 | - | 4.92 | 815,314 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,366,771 |
| Europe Map Quiz | 0 | - | 5.00 | 4,739,318 |
| All Country Flags of the World | 0 | - | 5.00 | 3,616,924 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,221 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,230 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,700 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,437,750 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,327 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,875 |
| Countries with Megacities | 0 | - | 4.99 | 248,116 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,759 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,337 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,143 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,282 |
| Biggest Cities in the World | 0 | - | 4.91 | 792,505 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,172 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,330 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,923 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,880 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,050 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,894 |
| Countries by Capital City | 0 | - | 5.00 | 67,138 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,565 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 114,095 |
| World Capitals by Proximity | 0 | - | 4.91 | 329,133 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,564 |
| Moved Capital Cities | 0 | - | 4.96 | 73,761 |
| Countries by Official Language | 0 | - | 4.95 | 193,156 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,668 |
| Countries in their Native Language | 0 | - | 4.99 | 196,991 |
| Independence from Whom | 0 | - | 4.99 | 210,125 |
| Subdivisions by Country | 0 | - | 4.86 | 50,143 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,044 |
| Megadiverse Countries | 0 | - | 4.97 | 134,374 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,149 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,006 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,535 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,902 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,874 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,119 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,317 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,431 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,297 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,785 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 75,899 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,513 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,617 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,580 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,791 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,118 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,106 |
| World Map Quiz | 0 | - | 4.81 | 63,776 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 153,598 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,575 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,765 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,509 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,226 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,291 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,103 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,304 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,491 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,072 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,522 |
| Widest Countries East to West | 0 | - | 4.92 | 129,018 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,283 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,473 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,647 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,859 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,815 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,220 |
| Countries by Contribution to UN Budget | 0 | - | 4.89 | 76,588 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,639 |
| Countries with Double Letters | 0 | - | 4.96 | 93,671 |
| Countries that End in N | 0 | - | 4.94 | 157,135 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,021 |
| Countries with Six Letters | 0 | - | 4.93 | 210,680 |
| Countries with W | 0 | - | 4.97 | 158,417 |
| Countries with Z | 0 | - | 4.98 | 288,228 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,750 |
| Countries That End in U | 0 | - | 4.95 | 119,611 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,865 |
| Countries that End in O | 0 | - | 4.92 | 158,656 |
| Countries that End in R | 0 | - | 4.87 | 118,375 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,933 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,401 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,552 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,643 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,197 |
| Countries That End in Y | 0 | - | 4.90 | 185,284 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,615 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,892 |
| Countries that End in I | 0 | - | 4.94 | 134,540 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,463 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,298 |
| Countries That End in NIA | 0 | - | 4.92 | 109,116 |
| Countries That End in BIA | 0 | - | 4.92 | 147,847 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,251 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,634 |
| Countries That End in RIA | 0 | - | 4.93 | 126,197 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,181 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,706 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,682 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,030 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,581 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,026 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,280 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,795 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,678 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,895 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,340 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 52,986 |
| Countries that End in L | 0 | - | 4.94 | 156,153 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 212,109 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,021 |
| City to Country Quiz #1 | 0 | - | 4.96 | 155,621 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,448 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,523 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 247,962 |
