| Island Countries Quiz | 0 | - | 4.99 | 639,003 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 106,046 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 130,149 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 76,529 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 64,770 |
| Islands by Shape #2 | 0 | - | 4.87 | 44,770 |
| 407 Islands on the World Map | 0 | - | 4.98 | 27,488 |
| Boundary Waters | 0 | - | 4.93 | 80,492 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 73,892 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.82 | 29,820 |
| Most Populous Islands | 0 | - | 4.71 | 112,077 |
| Islands by Largest City #1 | 0 | - | 4.48 | 81,949 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 317,851 |
| Largest World's Islands on the World Map | 0 | - | 4.65 | 153,731 |
| People Born on Islands | 0 | - | 4.43 | 39,896 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,493,094 |
| World Geography on a Map #1 | 0 | - | 4.93 | 66,871 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 136,252 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 108,905 |
| Countries on the Equator | 0 | - | 4.82 | 132,743 |
| Members of the Arab League | 0 | - | 4.82 | 59,386 |
| Sahara Desert Countries | 0 | - | 4.97 | 125,224 |
| Himalayan Countries | 0 | - | 4.95 | 102,571 |
| Andean Countries | 0 | - | 4.90 | 56,992 |
| Countries with the Oldest Median Age | 0 | - | 4.85 | 57,835 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 48,601 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 101,927 |
| Coffee Producing Countries | 0 | - | 4.82 | 53,570 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 52,768 |
| Danube Countries | 0 | - | 4.97 | 56,370 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,419 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,610 |
| Countries with the Best Passports | 0 | - | 4.87 | 70,389 |
| Countries with the Worst Passports | 0 | - | 4.87 | 48,815 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 108,428 |
| European Landlocked Countries | 0 | - | 4.99 | 114,855 |
| Partially Recognized Countries | 0 | - | 4.98 | 88,797 |
| Countries with the Most Species | 0 | - | 4.99 | 89,094 |
| Countries 197 to 205 | 0 | - | 4.88 | 55,865 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,454 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,828 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 47,786 |
| Countries that Use the Peso | 0 | - | 4.81 | 46,141 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 58,470 |
| Countries with a AAA Credit Rating | 0 | - | 4.89 | 48,712 |
| Countries in the Alps | 0 | - | 4.82 | 101,876 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 84,687 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 85,864 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,147 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 77,764 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 93,402 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 87,096 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 89,081 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 45,778 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,080 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 54,190 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 68,936 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,344 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,429 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 95,013 |
| Arctic Ocean Countries | 0 | - | 4.93 | 71,525 |
| Countries with the Most Grassland | 0 | - | 4.93 | 69,010 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 96,689 |
| Countries with the Most Climate Zones | 0 | - | 4.97 | 60,969 |
| Countries that Host the Most Refugees | 0 | - | 4.93 | 52,983 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 192,953 |
| World Countries - Blind Typing | 0 | - | 5.00 | 71,486 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 41,981 |
| Largest Countries By Category | 0 | - | 4.96 | 143,958 |
| Countries by Countries | 0 | - | 4.96 | 54,123 |
| Country Flags with the Most White | 0 | - | 4.90 | 107,740 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,396 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 77,396 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 133,420 |
| Western Europe Map Quiz | 0 | - | 4.86 | 88,868 |
| Tourist Attraction by Negative Review | 0 | - | 4.90 | 59,215 |
| Who Controls It? #1 | 0 | - | 4.84 | 45,270 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 180,186 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 110,240 |
| Longest International Borders | 0 | - | 4.99 | 232,854 |
| Country Connect by Northernmost Point | 0 | - | 4.97 | 35,449 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 39,388 |
| Demonym of Every Country | 0 | - | 4.91 | 48,871 |
| Islands by Largest City #2 | 0 | - | 4.72 | 26,614 |
| World Capitals Quiz | 0 | - | 5.00 | 4,462,142 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,022,169 |
| Largest Arctic Islands with a Map | 0 | - | 4.44 | 19,023 |
| Islands by Shape #1 | 0 | - | 4.27 | 71,375 |
| Islands by Picture | 0 | - | 4.31 | 90,253 |
| Countries with Three Borders | 0 | - | 4.96 | 30,931 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,370,186 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 338,712 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 352,003 |
| Biggest Countries by Area | 0 | - | 5.00 | 925,314 |
| Northernmost Countries | 0 | - | 4.99 | 325,419 |
| Countries of South America | 0 | - | 5.00 | 784,253 |
| Countries of Oceania | 0 | - | 5.00 | 882,764 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,111,837 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,553,148 |
| Top World Languages | 0 | - | 4.91 | 699,545 |
| Analogies of Countries #1 | 0 | - | 4.84 | 49,958 |
| Pacific Ocean General Knowledge | 0 | - | 4.59 | 26,708 |
| Largest Deserts in the World | 0 | - | 4.02 | 41,083 |
| Five Letter Geography #4 | 0 | - | 4.84 | 65,144 |
| World Map Divided into Regions | 0 | - | 4.17 | 34,912 |
| Name a Valid Answer - Geography | 0 | - | 4.91 | 76,082 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 124,262 |
| Countries with Megacities | 0 | - | 4.99 | 194,941 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 169,600 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 96,926 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 93,792 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 62,783 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 245,264 |
| Global Cities on a World Map | 0 | - | 4.93 | 90,725 |
| Northernmost Capital Cities | 0 | - | 4.98 | 93,122 |
| Most Remote Capital Cities | 0 | - | 4.90 | 43,149 |
| Capital Cities: Ports and Saints | 0 | - | 4.94 | 33,781 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 89,800 |
| Same Letter Country and Capital | 0 | - | 4.99 | 126,083 |
| Countries by Capital City | 0 | - | 4.99 | 48,352 |
| Capital Cities Based on First Two Letters | 0 | - | 4.84 | 65,338 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 93,064 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 72,228 |
| Moved Capital Cities | 0 | - | 4.94 | 51,939 |
| Countries by Official Language | 0 | - | 4.95 | 153,577 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 246,941 |
| Countries in their Native Language | 0 | - | 4.98 | 177,066 |
| Independence from Whom | 0 | - | 4.99 | 183,777 |
| Subdivisions by Country | 0 | - | 4.82 | 46,194 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 112,256 |
| Megadiverse Countries | 0 | - | 4.96 | 124,799 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 90,054 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,140 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 48,754 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 76,882 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 144,347 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 40,995 |
| Countries by Sports League Revenue | 0 | - | 4.87 | 42,999 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 100,847 |
| Countries Furthest from the United States | 0 | - | 4.94 | 71,388 |
| Countries with the Highest HDI | 0 | - | 4.95 | 130,501 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 67,967 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 80,246 |
| World Map Quiz | 0 | - | 4.90 | 48,189 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 110,821 |
| Smallest Countries with at Least One Border | 0 | - | 4.91 | 80,806 |
| Southernmost Countries of the World | 0 | - | 4.99 | 205,407 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 90,159 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 107,114 |
| Countries With the Most Languages | 0 | - | 4.90 | 171,708 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.92 | 86,594 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.85 | 70,918 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 85,514 |
| Countries with the Most Domestic Camels | 0 | - | 4.92 | 53,347 |
| Tallest Countries North to South | 0 | - | 4.84 | 109,877 |
| Widest Countries East to West | 0 | - | 4.93 | 118,765 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 68,690 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 157,949 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 92,117 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.96 | 84,834 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 117,901 |
| Countries with the Most Desert | 0 | - | 4.92 | 104,560 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,274 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 31,871 |
| Countries with Double Letters | 0 | - | 4.96 | 67,057 |
| Countries that End in N | 0 | - | 4.94 | 131,508 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 227,963 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 185,755 |
| Countries with W | 0 | - | 4.97 | 121,778 |
| Countries with Z | 0 | - | 4.98 | 242,611 |
| Countries with Letters Missing | 0 | - | 4.97 | 154,687 |
| Countries That End in U | 0 | - | 4.94 | 107,016 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 88,405 |
| Countries that End in O | 0 | - | 4.92 | 146,444 |
| Countries that End in R | 0 | - | 4.86 | 96,146 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 146,905 |
| Countries Ending in "IA" | 0 | - | 4.99 | 169,681 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 154,936 |
| Countries by Last Two Letters | 0 | - | 4.90 | 115,631 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 128,565 |
| Countries That End in Y | 0 | - | 4.90 | 160,838 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 159,727 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 119,902 |
| Countries that End in I | 0 | - | 4.92 | 114,189 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 148,515 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 87,851 |
| Countries That End in NIA | 0 | - | 4.93 | 100,354 |
| Countries That End in BIA | 0 | - | 4.91 | 125,412 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.93 | 152,442 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 109,096 |
| Countries That End in RIA | 0 | - | 4.89 | 100,500 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 99,797 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 198,843 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 118,720 |
| Divided Country Name Puzzle #3 | 0 | - | 4.93 | 109,516 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 76,448 |
| Countries with a Unique Last Letter | 0 | - | 4.91 | 91,596 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 95,985 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 42,421 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 39,869 |
