| Boundary Waters | 0 | - | 4.93 | 85,402 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 32,978 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 91,309 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 382,960 |
| Pacific Ocean General Knowledge | 0 | - | 4.64 | 35,660 |
| World Geography on a Map #1 | 0 | - | 4.94 | 70,944 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 146,688 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 117,528 |
| Countries of the World Quiz | 0 | - | 5.00 | 44,341,525 |
| Sahara Desert Countries | 0 | - | 4.97 | 145,628 |
| Himalayan Countries | 0 | - | 4.94 | 122,292 |
| Andean Countries | 0 | - | 4.93 | 68,722 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 56,696 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 113,108 |
| Coffee Producing Countries | 0 | - | 4.83 | 59,923 |
| Countries with Shrinking Populations | 0 | - | 4.92 | 59,313 |
| Danube Countries | 0 | - | 4.97 | 60,845 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 96,881 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 81,906 |
| Countries with the Best Passports | 0 | - | 4.82 | 80,664 |
| Countries with the Worst Passports | 0 | - | 4.89 | 68,784 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 138,250 |
| European Landlocked Countries | 0 | - | 4.99 | 141,029 |
| Partially Recognized Countries | 0 | - | 4.98 | 98,104 |
| Countries with the Most Species | 0 | - | 4.99 | 92,342 |
| Countries 197 to 205 | 0 | - | 4.87 | 63,494 |
| Tropic of Cancer Countries | 0 | - | 4.95 | 46,694 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 45,792 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 52,585 |
| Countries that Use the Peso | 0 | - | 4.88 | 56,358 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 69,950 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 53,653 |
| Countries in the Alps | 0 | - | 4.86 | 110,455 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 90,732 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 97,848 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 75,399 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 83,756 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 110,648 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 91,956 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 95,015 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 49,864 |
| Biggest Country by Body of Water | 0 | - | 4.95 | 47,972 |
| Countries with the Most Container Port Traffic | 0 | - | 4.91 | 58,802 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 72,735 |
| Bridge and Tunnel Borders | 0 | - | 4.95 | 51,265 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.89 | 39,103 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 100,164 |
| Arctic Ocean Countries | 0 | - | 4.94 | 75,849 |
| Countries with the Most Grassland | 0 | - | 4.93 | 73,544 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 109,040 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 64,812 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 56,753 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 222,157 |
| World Countries - Blind Typing | 0 | - | 5.00 | 95,162 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 45,113 |
| Largest Countries By Category | 0 | - | 4.97 | 151,409 |
| Countries by Countries | 0 | - | 4.96 | 58,475 |
| Country Flags with the Most White | 0 | - | 4.87 | 132,099 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 60,664 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 83,963 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 140,662 |
| Western Europe Map Quiz | 0 | - | 4.87 | 91,683 |
| Tourist Attraction by Negative Review | 0 | - | 4.91 | 63,422 |
| Who Controls It? #1 | 0 | - | 4.83 | 47,147 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 197,980 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 115,092 |
| Longest International Borders | 0 | - | 4.99 | 243,745 |
| Countries with Three Borders | 0 | - | 4.96 | 34,290 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 39,360 |
| Largest Cities for each Latitude Degree | 0 | - | 5.00 | 44,719 |
| Demonym of Every Country | 0 | - | 4.92 | 55,035 |
| Globe Grid | 0 | - | 4.31 | 31,690 |
| Largest Deserts in the World | 0 | - | 4.02 | 42,652 |
| World Map Divided into Regions | 0 | - | 4.17 | 39,063 |
| World Capitals Quiz | 0 | - | 5.00 | 4,807,752 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,408,063 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,476,578 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,491,263 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 360,297 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 382,480 |
| Island Countries Quiz | 0 | - | 4.99 | 690,976 |
| Biggest Countries by Area | 0 | - | 5.00 | 990,075 |
| Northernmost Countries | 0 | - | 4.99 | 342,803 |
| Countries of South America | 0 | - | 5.00 | 863,417 |
| Countries of Oceania | 0 | - | 5.00 | 976,289 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,732,083 |
| Top World Languages | 0 | - | 4.91 | 769,412 |
| Analogies of Countries #1 | 0 | - | 4.88 | 66,475 |
| Places With a Cardinal Direction in Their Name | 0 | - | 4.19 | 15,859 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 99,273 |
| Geography Mad Gab | 0 | - | 4.33 | 26,279 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 159,032 |
| Countries with Megacities | 0 | - | 4.99 | 218,287 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 186,895 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 106,315 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 126,775 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 73,316 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 270,117 |
| Global Cities on a World Map | 0 | - | 4.94 | 97,435 |
| Northernmost Capital Cities | 0 | - | 4.98 | 102,338 |
| Most Remote Capital Cities | 0 | - | 4.90 | 48,688 |
| Capital Cities: Ports and Saints | 0 | - | 4.95 | 39,948 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 100,530 |
| Same Letter Country and Capital | 0 | - | 4.99 | 138,432 |
| Countries by Capital City | 0 | - | 5.00 | 58,964 |
| Capital Cities Based on First Two Letters | 0 | - | 4.86 | 71,700 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 110,037 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 79,162 |
| Moved Capital Cities | 0 | - | 4.95 | 70,629 |
| Countries by Official Language | 0 | - | 4.95 | 184,188 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 282,236 |
| Countries in their Native Language | 0 | - | 4.98 | 188,965 |
| Independence from Whom | 0 | - | 4.99 | 199,976 |
| Subdivisions by Country | 0 | - | 4.86 | 48,541 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 123,838 |
| Megadiverse Countries | 0 | - | 4.96 | 130,529 |
| Countries With the Most English Speakers | 0 | - | 4.89 | 122,252 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 121,872 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 49,342 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 155,514 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 59,508 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 86,880 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 149,341 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 80,464 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 43,432 |
| Countries by Sports League Revenue | 0 | - | 4.93 | 67,590 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 104,897 |
| Countries Furthest from the United States | 0 | - | 4.95 | 86,000 |
| Countries with the Highest HDI | 0 | - | 4.95 | 134,241 |
| Straight Shot to the Arctic Circle | 0 | - | 4.89 | 72,194 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 68,657 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 98,318 |
| World Map Quiz | 0 | - | 4.88 | 57,776 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 135,286 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 86,801 |
| Southernmost Countries of the World | 0 | - | 4.99 | 218,717 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 98,818 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 116,662 |
| Countries With the Most Languages | 0 | - | 4.89 | 189,433 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 92,581 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 88,653 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 93,655 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 58,410 |
| Tallest Countries North to South | 0 | - | 4.85 | 115,674 |
| Widest Countries East to West | 0 | - | 4.92 | 124,819 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 70,211 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 180,193 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 95,488 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 90,330 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 125,506 |
| Countries with the Most Desert | 0 | - | 4.93 | 123,414 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 68,054 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 33,577 |
| Countries with Double Letters | 0 | - | 4.96 | 82,465 |
| Countries that End in N | 0 | - | 4.93 | 146,388 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 246,368 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 200,766 |
| Countries with W | 0 | - | 4.97 | 149,788 |
| Countries with Z | 0 | - | 4.98 | 276,297 |
| Countries with Letters Missing | 0 | - | 4.97 | 176,692 |
| Countries That End in U | 0 | - | 4.95 | 114,461 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 100,775 |
| Countries that End in O | 0 | - | 4.91 | 154,547 |
| Countries that End in R | 0 | - | 4.84 | 100,035 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 152,013 |
| Countries Ending in "IA" | 0 | - | 4.99 | 198,344 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 163,476 |
| Countries by Last Two Letters | 0 | - | 4.87 | 121,964 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 135,725 |
| Countries That End in Y | 0 | - | 4.91 | 182,212 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 189,422 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 127,643 |
| Countries that End in I | 0 | - | 4.92 | 117,518 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 158,550 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 92,285 |
| Countries That End in NIA | 0 | - | 4.92 | 105,205 |
| Countries That End in BIA | 0 | - | 4.92 | 142,859 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 161,384 |
| Countries Whose Names Start with Saint | 0 | - | 4.86 | 114,872 |
| Countries That End in RIA | 0 | - | 4.89 | 105,576 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 106,018 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 215,584 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 127,411 |
| Divided Country Name Puzzle #3 | 0 | - | 4.91 | 119,264 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 85,106 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 71,279 |
| Countries With One Word and Three A's | 0 | - | 4.94 | 48,711 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 98,223 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.97 | 120,124 |
| Countries that are Free from U.S.A. | 0 | - | 4.87 | 46,349 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 47,913 |
| Countries that End in L | 0 | - | 4.94 | 151,908 |
| "Land" Countries | 0 | - | 4.98 | 299,842 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 197,718 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 83,967 |
| City to Country Quiz #1 | 0 | - | 4.96 | 150,687 |
| City to Country Quiz #3 | 0 | - | 4.87 | 104,814 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 75,685 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 219,517 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 192,613 |
