| Border Crossings Quiz #2 | 0 | - | 4.99 | 110,309 |
| Longest International Borders | 0 | - | 4.99 | 233,114 |
| Country Connect by Northernmost Point | 0 | - | 4.97 | 35,558 |
| Countries with Three Borders | 0 | - | 4.96 | 31,039 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 144,433 |
| Smallest Countries with at Least One Border | 0 | - | 4.91 | 80,942 |
| One Border Countries | 0 | - | 4.98 | 407,303 |
| Clear All Country Borders on the World Map | 0 | - | 4.72 | 34,295 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,366,862 |
| Boundary Waters | 0 | - | 4.93 | 80,566 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 74,050 |
| Countries by Borders #1 | 0 | - | 5.00 | 175,896 |
| Countries with the Longest Total Borders | 0 | - | 4.98 | 284,091 |
| Longest Border by Country #1 | 0 | - | 4.99 | 134,809 |
| Largest Countries with No Borders | 0 | - | 4.97 | 180,297 |
| Countries with Two Borders | 0 | - | 4.99 | 127,340 |
| Countries by Borders #2 | 0 | - | 4.96 | 118,003 |
| Landlocked Countries that Border Each Other | 0 | - | 5.00 | 119,214 |
| Big Countries Bordering Small Countries | 0 | - | 4.99 | 119,607 |
| Largest Countries Bordering Each Other | 0 | - | 4.98 | 96,356 |
| Biggest Countries Bordering the Pacific Ocean | 0 | - | 4.95 | 78,471 |
| Countries by Borders #3 | 0 | - | 4.98 | 90,034 |
| Bordering Countries Forming Words #1 | 0 | - | 4.92 | 72,605 |
| Longest Border by Country #2 | 0 | - | 4.96 | 113,196 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.82 | 29,872 |
| Bordering Countries Forming Words #2 | 0 | - | 4.97 | 29,758 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 116,089 |
| Bordering Countries by HDI Difference | 0 | - | 4.91 | 47,490 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 68,884 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 319,137 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,581,606 |
| World Geography on a Map #1 | 0 | - | 4.93 | 66,967 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 136,440 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 109,062 |
| Countries on the Equator | 0 | - | 4.83 | 133,456 |
| Members of the Arab League | 0 | - | 4.83 | 59,928 |
| Sahara Desert Countries | 0 | - | 4.97 | 125,589 |
| Himalayan Countries | 0 | - | 4.95 | 102,985 |
| Andean Countries | 0 | - | 4.90 | 57,243 |
| Countries with the Oldest Median Age | 0 | - | 4.85 | 58,081 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 48,693 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 102,052 |
| Coffee Producing Countries | 0 | - | 4.82 | 53,658 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 52,859 |
| Danube Countries | 0 | - | 4.97 | 56,422 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,457 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,653 |
| Countries with the Best Passports | 0 | - | 4.87 | 70,565 |
| Countries with the Worst Passports | 0 | - | 4.87 | 48,927 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 108,572 |
| European Landlocked Countries | 0 | - | 4.99 | 114,910 |
| Partially Recognized Countries | 0 | - | 4.98 | 88,911 |
| Countries with the Most Species | 0 | - | 4.99 | 89,120 |
| Countries 197 to 205 | 0 | - | 4.88 | 55,965 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,510 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,861 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 47,873 |
| Countries that Use the Peso | 0 | - | 4.81 | 46,189 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 58,516 |
| Countries with a AAA Credit Rating | 0 | - | 4.89 | 48,794 |
| Countries in the Alps | 0 | - | 4.83 | 102,032 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 84,816 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 86,116 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,224 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 77,855 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 93,515 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 87,181 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 89,197 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 45,854 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,121 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 54,283 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,028 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,393 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,480 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 95,096 |
| Arctic Ocean Countries | 0 | - | 4.93 | 71,607 |
| Countries with the Most Grassland | 0 | - | 4.93 | 69,099 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 96,937 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,043 |
| Countries that Host the Most Refugees | 0 | - | 4.93 | 53,059 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 193,760 |
| World Countries - Blind Typing | 0 | - | 5.00 | 71,794 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,037 |
| Largest Countries By Category | 0 | - | 4.96 | 144,117 |
| Countries by Countries | 0 | - | 4.96 | 54,229 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,456 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 77,567 |
| Bordering Countries by Clue #1 | 0 | - | 4.96 | 68,735 |
| Bordering Countries by Clue #2 | 0 | - | 4.94 | 70,031 |
| Walking Across Borders with Hints #1 | 0 | - | 4.93 | 89,236 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 133,736 |
| Western Europe Map Quiz | 0 | - | 4.86 | 88,894 |
| Tourist Attraction by Negative Review | 0 | - | 4.90 | 59,293 |
| Who Controls It? #1 | 0 | - | 4.84 | 45,313 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 39,520 |
| Demonym of Every Country | 0 | - | 4.91 | 49,000 |
| World Capitals Quiz | 0 | - | 5.00 | 4,469,753 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,032,352 |
| Smallest Countries Bordering Each Other | 0 | - | 4.66 | 83,693 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,372,736 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 339,118 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 352,677 |
| Island Countries Quiz | 0 | - | 4.99 | 639,797 |
| Biggest Countries by Area | 0 | - | 5.00 | 926,880 |
| Northernmost Countries | 0 | - | 4.99 | 325,762 |
| Countries of South America | 0 | - | 5.00 | 785,897 |
| Countries of Oceania | 0 | - | 5.00 | 884,892 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,119,827 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,557,024 |
| Top World Languages | 0 | - | 4.91 | 701,139 |
| Analogies of Countries #1 | 0 | - | 4.84 | 49,990 |
| Pacific Ocean General Knowledge | 0 | - | 4.59 | 26,719 |
| Largest Deserts in the World | 0 | - | 4.02 | 41,110 |
| Five Letter Geography #4 | 0 | - | 4.84 | 65,232 |
| World Map Divided into Regions | 0 | - | 4.17 | 35,016 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 124,534 |
| Countries with Megacities | 0 | - | 4.99 | 195,307 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 169,964 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 97,099 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 94,032 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 62,956 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 245,783 |
| Global Cities on a World Map | 0 | - | 4.93 | 90,872 |
| Northernmost Capital Cities | 0 | - | 4.98 | 93,356 |
| Most Remote Capital Cities | 0 | - | 4.90 | 43,310 |
| Capital Cities: Ports and Saints | 0 | - | 4.94 | 33,950 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 90,075 |
| Same Letter Country and Capital | 0 | - | 4.99 | 126,395 |
| Countries by Capital City | 0 | - | 4.99 | 48,635 |
| Capital Cities Based on First Two Letters | 0 | - | 4.84 | 65,478 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 103,543 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 72,396 |
| Moved Capital Cities | 0 | - | 4.94 | 52,006 |
| Countries by Official Language | 0 | - | 4.95 | 153,775 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 247,333 |
| Countries in their Native Language | 0 | - | 4.98 | 177,270 |
| Independence from Whom | 0 | - | 4.99 | 184,195 |
| Subdivisions by Country | 0 | - | 4.82 | 46,257 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 112,578 |
| Megadiverse Countries | 0 | - | 4.96 | 124,900 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 90,269 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 106,132 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,181 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 130,302 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 48,851 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 77,138 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 76,619 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,150 |
| Countries by Sports League Revenue | 0 | - | 4.87 | 43,209 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 100,927 |
| Countries Furthest from the United States | 0 | - | 4.94 | 71,616 |
| Countries with the Highest HDI | 0 | - | 4.95 | 130,548 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 68,157 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 64,867 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 80,698 |
| World Map Quiz | 0 | - | 4.90 | 48,377 |
| Southernmost Countries of the World | 0 | - | 4.99 | 205,671 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 90,308 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 107,286 |
| Countries With the Most Languages | 0 | - | 4.90 | 172,058 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 86,706 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.85 | 71,042 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 85,687 |
| Countries with the Most Domestic Camels | 0 | - | 4.92 | 53,438 |
| Tallest Countries North to South | 0 | - | 4.84 | 109,994 |
| Widest Countries East to West | 0 | - | 4.93 | 118,865 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 68,726 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 158,116 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 92,188 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.96 | 84,946 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 118,299 |
| Countries with the Most Desert | 0 | - | 4.92 | 104,692 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,311 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 31,913 |
| Countries with Double Letters | 0 | - | 4.96 | 67,353 |
| Countries that End in N | 0 | - | 4.93 | 131,808 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 228,548 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 186,084 |
| Countries with W | 0 | - | 4.97 | 122,004 |
| Countries with Z | 0 | - | 4.98 | 243,227 |
| Countries with Letters Missing | 0 | - | 4.97 | 154,899 |
| Countries That End in U | 0 | - | 4.94 | 107,190 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 88,649 |
| Countries that End in O | 0 | - | 4.92 | 146,564 |
| Countries that End in R | 0 | - | 4.86 | 96,239 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 146,989 |
| Countries Ending in "IA" | 0 | - | 4.99 | 170,336 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 155,103 |
| Countries by Last Two Letters | 0 | - | 4.90 | 115,778 |
| Countries by First and Last Letter #2 | 0 | - | 4.94 | 128,725 |
| Countries That End in Y | 0 | - | 4.90 | 161,370 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 159,910 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 120,083 |
| Countries that End in I | 0 | - | 4.92 | 114,257 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 148,735 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 87,955 |
| Countries That End in NIA | 0 | - | 4.93 | 100,469 |
| Countries That End in BIA | 0 | - | 4.91 | 125,534 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.93 | 152,589 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 109,234 |
