| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,360 |
| Longest International Borders | 0 | - | 4.99 | 265,363 |
| Countries with Three Borders | 0 | - | 4.96 | 36,648 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,178 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,413 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,439 |
| One Border Countries | 0 | - | 4.98 | 470,388 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,838,180 |
| Boundary Waters | 0 | - | 4.92 | 88,621 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,295 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,373 |
| Countries by Borders #1 | 0 | - | 5.00 | 194,732 |
| Countries with the Longest Total Borders | 0 | - | 4.99 | 313,307 |
| Longest Border by Country #1 | 0 | - | 4.99 | 146,501 |
| Largest Countries with No Borders | 0 | - | 4.97 | 221,851 |
| Countries with Two Borders | 0 | - | 4.99 | 150,151 |
| Countries by Borders #2 | 0 | - | 4.96 | 136,570 |
| Landlocked Countries that Border Each Other | 0 | - | 5.00 | 141,263 |
| Big Countries Bordering Small Countries | 0 | - | 4.99 | 131,241 |
| Largest Countries Bordering Each Other | 0 | - | 4.99 | 115,595 |
| Biggest Countries Bordering the Pacific Ocean | 0 | - | 4.92 | 93,738 |
| Countries by Borders #3 | 0 | - | 4.98 | 98,226 |
| Bordering Countries Forming Words #1 | 0 | - | 4.92 | 75,805 |
| Bordering Countries Forming Words #2 | 0 | - | 4.97 | 32,795 |
| Longest Border by Country #2 | 0 | - | 4.95 | 121,305 |
| Longest Border by Country #3 | 0 | - | 4.99 | 79,766 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,867 |
| Bordering Countries by HDI Difference | 0 | - | 4.89 | 52,033 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 82,459 |
| Landlocked Countries | 0 | - | 4.99 | 422,896 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,654,303 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,758 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,115 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,540 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,556 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,970 |
| Himalayan Countries | 0 | - | 4.95 | 139,133 |
| Andean Countries | 0 | - | 4.93 | 84,852 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,071 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,191 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,658 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,965 |
| Danube Countries | 0 | - | 4.97 | 72,125 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,167 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,524 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,508 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,011 |
| European Landlocked Countries | 0 | - | 4.99 | 147,262 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,815 |
| Countries with the Most Species | 0 | - | 4.99 | 103,334 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,942 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,645 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,761 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,610 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,352 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,770 |
| Countries in the Alps | 0 | - | 4.87 | 118,347 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,691 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,255 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,738 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,696 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,618 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,029 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,800 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,595 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,241 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,943 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,711 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,585 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,315 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,555 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,624 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,127 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,390 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,670 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,231 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,436 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,399 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,305 |
| Largest Countries By Category | 0 | - | 4.97 | 158,380 |
| Countries by Countries | 0 | - | 4.96 | 63,343 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,824 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,319 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,589 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,777 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 83,192 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 87,511 |
| Walking Across Borders with Hints #1 | 0 | - | 4.94 | 109,118 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 87,742 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,785 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,885 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,581 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,530 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,285 |
| Demonym of Every Country | 0 | - | 4.91 | 60,901 |
| World Capitals Quiz | 0 | - | 5.00 | 5,088,913 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,785,072 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,347 |
| Smallest Countries Bordering Each Other | 0 | - | 4.61 | 92,947 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,410 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,592,919 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,795 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,896 |
| Island Countries | 0 | - | 4.99 | 711,371 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,051,018 |
| Northernmost Countries | 0 | - | 4.99 | 362,412 |
| Countries of South America | 0 | - | 5.00 | 928,627 |
| Countries of Oceania | 0 | - | 5.00 | 1,058,496 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,880,140 |
| "Land" Countries | 0 | - | 4.98 | 337,595 |
| Top World Languages | 0 | - | 4.92 | 825,711 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,593 |
| Globe Grid | 0 | - | 4.32 | 32,018 |
| World Map Divided into Regions | 0 | - | 4.19 | 41,998 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,661 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,159 |
| Countries with Megacities | 0 | - | 4.99 | 265,230 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,989 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,622 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,245 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,695 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,725 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,690 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,644 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,805 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,660 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,513 |
| Countries by Capital City | 0 | - | 5.00 | 68,799 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,467 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,906 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,502 |
| Moved Capital Cities | 0 | - | 4.96 | 74,413 |
| Countries by Official Language | 0 | - | 4.95 | 195,446 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,640 |
| Countries in their Native Language | 0 | - | 4.99 | 199,219 |
| Independence from Whom | 0 | - | 4.99 | 212,308 |
| Subdivisions by Country | 0 | - | 4.87 | 50,476 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,890 |
| Megadiverse Countries | 0 | - | 4.96 | 135,086 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,244 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,404 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,283 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,138 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,257 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,653 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,593 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,702 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,178 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 77,879 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,941 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,259 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,010 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,415 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,542 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,385,927 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,491 |
| World Map Quiz | 0 | - | 4.81 | 65,230 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,742 |
| Countries by Founding Story | 0 | - | 4.95 | 77,448 |
| Hidden Words In Bordering Countries | 0 | - | 4.22 | 16,329 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,279 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,387 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,097 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,514 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,994 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,101 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,380 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,491 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,642 |
| Widest Countries East to West | 0 | - | 4.92 | 129,737 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,478 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,495 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,229 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,828 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,681 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,958 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,407 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,817 |
| Countries with Double Letters | 0 | - | 4.96 | 96,441 |
| Countries that End in N | 0 | - | 4.95 | 171,320 |
| Countries with Five Letters | 0 | - | 4.96 | 282,855 |
| Countries with Six Letters | 0 | - | 4.94 | 213,780 |
| Countries with W | 0 | - | 4.96 | 160,473 |
| Countries with Z | 0 | - | 4.98 | 291,683 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,841 |
| Countries That End in U | 0 | - | 4.95 | 120,927 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,608 |
| Countries that End in O | 0 | - | 4.92 | 159,580 |
| Countries that End in R | 0 | - | 4.87 | 119,016 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,772 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,285 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,793 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,564 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,474 |
| Countries That End in Y | 0 | - | 4.91 | 185,934 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,043 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,967 |
| Countries that End in I | 0 | - | 4.94 | 135,159 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,228 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,873 |
