| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,534 |
| Longest International Borders | 0 | - | 4.99 | 265,759 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,330 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,545 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,662 |
| One Border Countries | 0 | - | 4.98 | 471,724 |
| Clear All Country Borders on the World Map | 0 | - | 4.69 | 41,495 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,846,949 |
| Boundary Waters | 0 | - | 4.92 | 88,743 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,396 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,646 |
| Countries by Borders #1 | 0 | - | 5.00 | 194,985 |
| Countries with the Longest Total Borders | 0 | - | 4.99 | 313,901 |
| Longest Border by Country #1 | 0 | - | 4.99 | 146,705 |
| Largest Countries with No Borders | 0 | - | 4.96 | 222,249 |
| Countries with Two Borders | 0 | - | 4.99 | 150,349 |
| Countries by Borders #2 | 0 | - | 4.96 | 136,750 |
| Landlocked Countries that Border Each Other | 0 | - | 5.00 | 141,484 |
| Big Countries Bordering Small Countries | 0 | - | 4.99 | 131,674 |
| Largest Countries Bordering Each Other | 0 | - | 4.99 | 115,780 |
| Biggest Countries Bordering the Pacific Ocean | 0 | - | 4.92 | 93,877 |
| Countries by Borders #3 | 0 | - | 4.98 | 98,364 |
| Bordering Countries Forming Words #1 | 0 | - | 4.92 | 75,863 |
| Bordering Countries Forming Words #2 | 0 | - | 4.97 | 32,847 |
| Longest Border by Country #2 | 0 | - | 4.95 | 121,446 |
| Longest Border by Country #3 | 0 | - | 4.99 | 79,913 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 140,249 |
| Bordering Countries by HDI Difference | 0 | - | 4.89 | 52,127 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 82,726 |
| Landlocked Countries | 0 | - | 4.99 | 425,146 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,840,575 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,901 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,364 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,911 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,936 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,965 |
| Himalayan Countries | 0 | - | 4.93 | 140,007 |
| Andean Countries | 0 | - | 4.94 | 85,310 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,469 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,822 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,037 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,327 |
| Danube Countries | 0 | - | 4.97 | 72,320 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,492 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,764 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,990 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,491 |
| European Landlocked Countries | 0 | - | 4.99 | 147,541 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,202 |
| Countries with the Most Species | 0 | - | 4.99 | 103,520 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,329 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,745 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,854 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,792 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,526 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,962 |
| Countries in the Alps | 0 | - | 4.87 | 118,690 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,492 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,757 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,923 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,970 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,885 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,195 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,331 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,813 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,381 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,127 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,826 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,699 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,506 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,737 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,834 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,702 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,565 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,707 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,601 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,478 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,014 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,477 |
| Largest Countries By Category | 0 | - | 4.97 | 158,776 |
| Countries by Countries | 0 | - | 4.96 | 63,584 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,191 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,381 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,654 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,047 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 83,336 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 87,649 |
| Walking Across Borders with Hints #1 | 0 | - | 4.94 | 109,301 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 87,892 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,419 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,968 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,757 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,607 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,471 |
| Demonym of Every Country | 0 | - | 4.90 | 61,416 |
| World Capitals Quiz | 0 | - | 5.00 | 5,103,141 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,801,027 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,387 |
| Smallest Countries Bordering Each Other | 0 | - | 4.61 | 93,116 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,008 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,598,456 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,524 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,406 |
| Island Countries | 0 | - | 4.99 | 712,352 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,054,162 |
| Northernmost Countries | 0 | - | 4.99 | 363,745 |
| Countries of South America | 0 | - | 5.00 | 931,892 |
| Countries of Oceania | 0 | - | 5.00 | 1,062,429 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,887,581 |
| "Land" Countries | 0 | - | 4.98 | 338,280 |
| Top World Languages | 0 | - | 4.92 | 829,127 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,717 |
| Globe Grid | 0 | - | 4.32 | 32,035 |
| World Map Divided into Regions | 0 | - | 4.19 | 42,132 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,947 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,004 |
| Countries with Megacities | 0 | - | 4.99 | 266,836 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,721 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,033 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,036 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,159 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,211 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,279 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,937 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,164 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,157 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,063 |
| Countries by Capital City | 0 | - | 5.00 | 69,291 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,811 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,179 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,764 |
| Moved Capital Cities | 0 | - | 4.96 | 74,613 |
| Countries by Official Language | 0 | - | 4.95 | 195,901 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,500 |
| Countries in their Native Language | 0 | - | 4.99 | 199,657 |
| Independence from Whom | 0 | - | 4.99 | 212,955 |
| Subdivisions by Country | 0 | - | 4.87 | 50,591 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,359 |
| Megadiverse Countries | 0 | - | 4.96 | 135,249 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,868 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,511 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,422 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,211 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,524 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,814 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,047 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,795 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,243 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,428 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,351 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,414 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,128 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,557 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,666 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,392,457 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,212 |
| World Map Quiz | 0 | - | 4.81 | 65,605 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 158,999 |
| Countries by Founding Story | 0 | - | 4.95 | 77,760 |
| Hidden Words In Bordering Countries | 0 | - | 4.22 | 16,369 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,150 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,003 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,493 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,422 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,370 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,477 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,674 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,655 |
| Tallest Countries North to South | 0 | - | 4.86 | 130,546 |
| Widest Countries East to West | 0 | - | 4.92 | 130,399 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,581 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,190 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,497 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,024 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,939 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,426 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,479 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,885 |
| Countries with Double Letters | 0 | - | 4.96 | 96,981 |
| Countries that End in N | 0 | - | 4.95 | 171,846 |
| Countries with Five Letters | 0 | - | 4.96 | 283,635 |
| Countries with Six Letters | 0 | - | 4.94 | 214,367 |
| Countries with W | 0 | - | 4.96 | 160,878 |
| Countries with Z | 0 | - | 4.98 | 292,335 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,233 |
| Countries That End in U | 0 | - | 4.95 | 121,153 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,034 |
| Countries that End in O | 0 | - | 4.92 | 160,177 |
| Countries that End in R | 0 | - | 4.87 | 119,155 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,909 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,759 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 171,098 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,778 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,714 |
| Countries That End in Y | 0 | - | 4.91 | 186,074 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,398 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,231 |
| Countries that End in I | 0 | - | 4.94 | 135,289 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,561 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,031 |
