| Boundary Waters | 0 | - | 4.93 | 81,658 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 76,025 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.83 | 30,681 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 332,001 |
| World Geography on a Map #1 | 0 | - | 4.93 | 68,055 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 139,138 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 111,136 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,544,863 |
| Members of the Arab League | 0 | - | 4.85 | 65,338 |
| Sahara Desert Countries | 0 | - | 4.97 | 129,477 |
| Himalayan Countries | 0 | - | 4.94 | 107,697 |
| Andean Countries | 0 | - | 4.91 | 59,777 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 60,851 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,518 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 103,908 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,683 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 54,017 |
| Danube Countries | 0 | - | 4.96 | 57,096 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,110 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,192 |
| Countries with the Best Passports | 0 | - | 4.87 | 72,368 |
| Countries with the Worst Passports | 0 | - | 4.89 | 50,149 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 110,449 |
| European Landlocked Countries | 0 | - | 4.99 | 136,826 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,550 |
| Countries with the Most Species | 0 | - | 4.99 | 89,784 |
| Countries 197 to 205 | 0 | - | 4.87 | 57,038 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,925 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,232 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 48,863 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,762 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 59,013 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 49,722 |
| Countries in the Alps | 0 | - | 4.84 | 103,558 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 86,165 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 88,857 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 72,092 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,171 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,689 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 88,150 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,312 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,613 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,607 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,222 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,987 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,905 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,929 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,351 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,494 |
| Countries with the Most Grassland | 0 | - | 4.94 | 70,054 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 99,898 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,795 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 53,877 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 200,769 |
| World Countries - Blind Typing | 0 | - | 5.00 | 74,707 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,695 |
| Largest Countries By Category | 0 | - | 4.97 | 146,072 |
| Countries by Countries | 0 | - | 4.96 | 55,356 |
| Country Flags with the Most White | 0 | - | 4.90 | 125,751 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 59,080 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 79,246 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 135,917 |
| Western Europe Map Quiz | 0 | - | 4.87 | 89,619 |
| Tourist Attraction by Negative Review | 0 | - | 4.90 | 60,329 |
| Who Controls It? #1 | 0 | - | 4.83 | 45,763 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 182,688 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 111,673 |
| Longest International Borders | 0 | - | 4.99 | 236,069 |
| Countries with Three Borders | 0 | - | 4.96 | 31,945 |
| Country Connect by Northernmost Point | 0 | - | 4.97 | 36,607 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 41,060 |
| Demonym of Every Country | 0 | - | 4.90 | 50,484 |
| Pacific Ocean General Knowledge | 0 | - | 4.59 | 26,856 |
| Largest Deserts in the World | 0 | - | 4.03 | 41,522 |
| World Map Divided into Regions | 0 | - | 4.18 | 36,137 |
| World Capitals Quiz | 0 | - | 5.00 | 4,552,676 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,146,261 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,209,227 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,401,304 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 343,781 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 360,667 |
| Island Countries Quiz | 0 | - | 4.99 | 666,564 |
| Biggest Countries by Area | 0 | - | 5.00 | 943,582 |
| Northernmost Countries | 0 | - | 4.99 | 330,120 |
| Countries of South America | 0 | - | 5.00 | 805,675 |
| Countries of Oceania | 0 | - | 5.00 | 908,176 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,600,978 |
| Top World Languages | 0 | - | 4.92 | 719,245 |
| Analogies of Countries #1 | 0 | - | 4.88 | 63,282 |
| Globe Grid | 0 | - | 4.28 | 31,444 |
| Five Letter Geography #4 | 0 | - | 4.83 | 67,505 |
| Places With a Cardinal Direction in Their Name | 0 | - | 4.15 | 15,447 |
| Name a Valid Answer - Geography | 0 | - | 4.92 | 78,518 |
| Geography Mad Gab | 0 | - | 4.32 | 25,198 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 128,244 |
| Countries with Megacities | 0 | - | 4.99 | 200,709 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 174,466 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,364 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 97,544 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 65,364 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 251,664 |
| Global Cities on a World Map | 0 | - | 4.92 | 92,597 |
| Northernmost Capital Cities | 0 | - | 4.98 | 95,507 |
| Most Remote Capital Cities | 0 | - | 4.90 | 44,527 |
| Capital Cities: Ports and Saints | 0 | - | 4.94 | 35,254 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 92,503 |
| Same Letter Country and Capital | 0 | - | 4.99 | 129,228 |
| Countries by Capital City | 0 | - | 4.99 | 50,894 |
| Capital Cities Based on First Two Letters | 0 | - | 4.84 | 66,797 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 105,880 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 74,014 |
| Moved Capital Cities | 0 | - | 4.96 | 67,722 |
| Countries by Official Language | 0 | - | 4.96 | 174,617 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 252,046 |
| Countries in their Native Language | 0 | - | 4.98 | 179,761 |
| Independence from Whom | 0 | - | 4.99 | 188,207 |
| Subdivisions by Country | 0 | - | 4.82 | 46,778 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 115,045 |
| Megadiverse Countries | 0 | - | 4.96 | 126,345 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 92,920 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 107,339 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,705 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 132,649 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,670 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 79,189 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 145,833 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,528 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,746 |
| Countries by Sports League Revenue | 0 | - | 4.88 | 44,722 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 102,072 |
| Countries Furthest from the United States | 0 | - | 4.94 | 72,731 |
| Countries with the Highest HDI | 0 | - | 4.95 | 131,245 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 69,186 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 65,820 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 85,173 |
| World Map Quiz | 0 | - | 4.91 | 50,862 |
| Smallest Countries with at Least One Border | 0 | - | 4.90 | 82,393 |
| Southernmost Countries of the World | 0 | - | 4.99 | 209,086 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 92,222 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 109,497 |
| Countries With the Most Languages | 0 | - | 4.91 | 176,533 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 88,433 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 72,733 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 87,836 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 54,806 |
| Tallest Countries North to South | 0 | - | 4.85 | 111,290 |
| Widest Countries East to West | 0 | - | 4.93 | 120,259 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 69,052 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 160,116 |
| Countries with the Longest Perimeter | 0 | - | 4.81 | 72,581 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 93,116 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 86,351 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 120,307 |
| Countries with the Most Desert | 0 | - | 4.92 | 105,955 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,700 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 32,308 |
| Countries with Double Letters | 0 | - | 4.96 | 71,145 |
| Countries that End in N | 0 | - | 4.94 | 135,409 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 232,743 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 189,864 |
| Countries with W | 0 | - | 4.96 | 125,176 |
| Countries with Z | 0 | - | 4.98 | 263,443 |
| Countries with Letters Missing | 0 | - | 4.97 | 169,230 |
| Countries That End in U | 0 | - | 4.95 | 109,081 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 91,816 |
| Countries that End in O | 0 | - | 4.92 | 148,373 |
| Countries that End in R | 0 | - | 4.85 | 97,159 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 147,901 |
| Countries Ending in "IA" | 0 | - | 4.99 | 173,411 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 157,285 |
| Countries by Last Two Letters | 0 | - | 4.90 | 117,403 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 130,336 |
| Countries That End in Y | 0 | - | 4.90 | 162,199 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 162,469 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 122,037 |
| Countries that End in I | 0 | - | 4.92 | 115,053 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 151,162 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 89,161 |
| Countries That End in NIA | 0 | - | 4.93 | 101,570 |
| Countries That End in BIA | 0 | - | 4.91 | 127,004 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 154,734 |
| Countries Whose Names Start with Saint | 0 | - | 4.89 | 110,659 |
| Countries That End in RIA | 0 | - | 4.90 | 101,667 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 101,377 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 203,685 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 121,134 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 112,205 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 78,783 |
| Countries with a Unique Last Letter | 0 | - | 4.91 | 93,517 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 97,784 |
| Countries that are Free from U.S.A. | 0 | - | 4.90 | 43,461 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 42,012 |
| Countries that End in L | 0 | - | 4.95 | 135,531 |
| "Land" Countries | 0 | - | 4.98 | 291,737 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 190,836 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 82,168 |
| City to Country Quiz #1 | 0 | - | 4.94 | 135,071 |
| City to Country Quiz #3 | 0 | - | 4.86 | 100,824 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 72,320 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 210,305 |
