| Boundary Waters | 0 | - | 4.92 | 88,129 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,897 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,494 |
| Landlocked Countries | 0 | - | 4.99 | 415,297 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,230 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,289 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,088 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,331 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,051,521 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,264 |
| Himalayan Countries | 0 | - | 4.95 | 135,953 |
| Andean Countries | 0 | - | 4.94 | 83,161 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,481 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,616 |
| Coffee Producing Countries | 0 | - | 4.82 | 66,179 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,823 |
| Danube Countries | 0 | - | 4.97 | 71,259 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,988 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,709 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,846 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,786 |
| European Landlocked Countries | 0 | - | 4.99 | 145,954 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,507 |
| Countries with the Most Species | 0 | - | 4.99 | 95,341 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,637 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,267 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,439 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,064 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,712 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,069 |
| Countries in the Alps | 0 | - | 4.86 | 117,110 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,753 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,580 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,156 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,580 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,372 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,131 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,792 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,892 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,684 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,203 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,272 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,137 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,610 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,875 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,888 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,446 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,794 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,348 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,015 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,220 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,170 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,724 |
| Largest Countries By Category | 0 | - | 4.97 | 157,014 |
| Countries by Countries | 0 | - | 4.96 | 62,435 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,657 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,022 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,932 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,880 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,551 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,713 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,286 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,878 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,750 |
| Longest International Borders | 0 | - | 4.99 | 264,101 |
| Countries with Three Borders | 0 | - | 4.96 | 36,284 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,698 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,791 |
| Demonym of Every Country | 0 | - | 4.91 | 58,791 |
| Globe Grid | 0 | - | 4.32 | 31,948 |
| World Map Divided into Regions | 0 | - | 4.19 | 41,435 |
| World Capitals Quiz | 0 | - | 5.00 | 5,042,346 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,730,309 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,756 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,574,720 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,771 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,735 |
| Island Countries | 0 | - | 4.99 | 708,300 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,041,611 |
| Northernmost Countries | 0 | - | 4.99 | 358,660 |
| Countries of South America | 0 | - | 5.00 | 917,696 |
| Countries of Oceania | 0 | - | 5.00 | 1,044,045 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,854,086 |
| "Land" Countries | 0 | - | 4.98 | 334,082 |
| Top World Languages | 0 | - | 4.92 | 815,380 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,222 |
| Largest Deserts in the World | 0 | - | 3.98 | 43,569 |
| Places With a Cardinal Direction in Their Name | 0 | - | 4.20 | 16,273 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,702 |
| Geography Mad Gab | 0 | - | 4.36 | 27,267 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,883 |
| Countries with Megacities | 0 | - | 4.99 | 248,136 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,768 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,348 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,155 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,287 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,180 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,334 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,926 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,885 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,060 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,900 |
| Countries by Capital City | 0 | - | 5.00 | 67,146 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,567 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 114,101 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,566 |
| Moved Capital Cities | 0 | - | 4.96 | 73,767 |
| Countries by Official Language | 0 | - | 4.95 | 193,165 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,689 |
| Countries in their Native Language | 0 | - | 4.99 | 196,994 |
| Independence from Whom | 0 | - | 4.99 | 210,132 |
| Subdivisions by Country | 0 | - | 4.86 | 50,146 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,049 |
| Megadiverse Countries | 0 | - | 4.97 | 134,418 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,163 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,009 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,540 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,903 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,875 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,120 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,319 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,441 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,298 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,785 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 75,907 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,516 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,619 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,580 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,793 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,119 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,121 |
| World Map Quiz | 0 | - | 4.81 | 63,788 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 153,610 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,579 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,771 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,515 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,233 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,307 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,106 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,306 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,497 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,074 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,524 |
| Widest Countries East to West | 0 | - | 4.92 | 129,021 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,283 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,476 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,649 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,859 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,817 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,225 |
| Countries by Contribution to UN Budget | 0 | - | 4.89 | 76,621 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,641 |
| Countries with Double Letters | 0 | - | 4.96 | 93,677 |
| Countries that End in N | 0 | - | 4.94 | 157,136 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,025 |
| Countries with Six Letters | 0 | - | 4.93 | 210,685 |
| Countries with W | 0 | - | 4.97 | 158,417 |
| Countries with Z | 0 | - | 4.98 | 288,236 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,753 |
| Countries That End in U | 0 | - | 4.95 | 119,611 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,871 |
| Countries that End in O | 0 | - | 4.92 | 158,657 |
| Countries that End in R | 0 | - | 4.87 | 118,376 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,934 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,407 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,557 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,649 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,198 |
| Countries That End in Y | 0 | - | 4.90 | 185,285 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,617 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,896 |
| Countries that End in I | 0 | - | 4.94 | 134,542 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,468 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,299 |
| Countries That End in NIA | 0 | - | 4.92 | 109,118 |
| Countries That End in BIA | 0 | - | 4.92 | 147,851 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,258 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,635 |
| Countries That End in RIA | 0 | - | 4.93 | 126,197 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,183 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,715 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,684 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,032 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,582 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,026 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,282 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,795 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,682 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,896 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,344 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 52,994 |
| Countries that End in L | 0 | - | 4.94 | 156,156 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 212,126 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,021 |
| City to Country Quiz #1 | 0 | - | 4.96 | 155,624 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,455 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,526 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 247,969 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,625 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 141,701 |
