| Five Closest Countries by Country #1 | 0 | - | 5.00 | 237,589 |
| Countries Closest to an Unknown Country A-Z #1 | 0 | - | 4.91 | 75,314 |
| Countries Closest to an Unknown Country A-Z #2 | 0 | - | 4.97 | 68,762 |
| Countries Closest to an Unknown Country A-Z #3 | 0 | - | 4.90 | 58,165 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 43,147 |
| Countries Furthest from the United States | 0 | - | 4.95 | 85,433 |
| Straight Shot to the Arctic Circle | 0 | - | 4.89 | 71,691 |
| Countries of the World Quiz | 0 | - | 5.00 | 43,800,400 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 375,860 |
| Countries Closest to the Equator A-Z | 0 | - | 4.55 | 37,075 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,347,903 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,424,082 |
| Sahara Desert Countries | 0 | - | 4.98 | 142,443 |
| Himalayan Countries | 0 | - | 4.95 | 119,380 |
| Andean Countries | 0 | - | 4.92 | 66,957 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 55,438 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 110,942 |
| Coffee Producing Countries | 0 | - | 4.81 | 58,525 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 58,154 |
| Danube Countries | 0 | - | 4.97 | 60,072 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 95,820 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 81,131 |
| Countries with the Best Passports | 0 | - | 4.81 | 78,788 |
| Countries with the Worst Passports | 0 | - | 4.92 | 61,808 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 135,163 |
| European Landlocked Countries | 0 | - | 4.99 | 140,288 |
| Partially Recognized Countries | 0 | - | 4.98 | 96,735 |
| Countries with the Most Species | 0 | - | 4.99 | 91,842 |
| Countries 197 to 205 | 0 | - | 4.87 | 62,173 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 46,372 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 45,497 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 51,914 |
| Countries that Use the Peso | 0 | - | 4.84 | 49,054 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 69,463 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 52,932 |
| Countries in the Alps | 0 | - | 4.86 | 109,304 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 89,937 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 96,251 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 74,832 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 82,752 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 109,790 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 91,282 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 94,223 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 49,239 |
| Biggest Country by Body of Water | 0 | - | 4.95 | 47,496 |
| Countries with the Most Container Port Traffic | 0 | - | 4.91 | 58,144 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 72,245 |
| Bridge and Tunnel Borders | 0 | - | 4.95 | 50,821 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 38,705 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 99,536 |
| Arctic Ocean Countries | 0 | - | 4.94 | 75,240 |
| Countries with the Most Grassland | 0 | - | 4.93 | 72,885 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 107,439 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 64,288 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 56,213 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 218,901 |
| World Countries - Blind Typing | 0 | - | 5.00 | 83,185 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 44,561 |
| Largest Countries By Category | 0 | - | 4.97 | 150,288 |
| Countries by Countries | 0 | - | 4.96 | 57,885 |
| Country Flags with the Most White | 0 | - | 4.87 | 130,492 |
| Straight Shot to Antarctica | 0 | - | 4.92 | 39,953 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 60,410 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.86 | 46,093 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 83,081 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 357,555 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 378,879 |
| Island Countries Quiz | 0 | - | 4.99 | 686,707 |
| Biggest Countries by Area | 0 | - | 5.00 | 982,138 |
| Northernmost Countries | 0 | - | 4.99 | 340,693 |
| Countries Whose Center is Closest to the Equator | 0 | - | 4.56 | 52,671 |
| Countries of South America | 0 | - | 5.00 | 852,171 |
| Countries of Oceania | 0 | - | 5.00 | 963,373 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,705,928 |
| Countries With the Most Neighbors | 0 | - | 4.45 | 88,043 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,234,252 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 156,458 |
| Countries with Megacities | 0 | - | 4.99 | 215,509 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 185,015 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 105,328 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 123,934 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 72,164 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 267,333 |
| Countries by Official Language | 0 | - | 4.95 | 182,569 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.90 | 279,971 |
| Countries in their Native Language | 0 | - | 4.98 | 187,452 |
| Independence from Whom | 0 | - | 4.99 | 197,932 |
| Subdivisions by Country | 0 | - | 4.86 | 48,251 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 122,239 |
| Megadiverse Countries | 0 | - | 4.96 | 129,999 |
| Countries With the Most English Speakers | 0 | - | 4.89 | 120,607 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 110,273 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.83 | 49,149 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 154,275 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 58,939 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 85,203 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 148,456 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 79,688 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 65,455 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 104,242 |
| Countries with the Highest HDI | 0 | - | 4.95 | 133,800 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 68,062 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 96,241 |
| World Map Quiz | 0 | - | 4.88 | 56,606 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 132,090 |
| Smallest Countries with at Least One Border | 0 | - | 4.90 | 85,985 |
| Countries by Founding Story | 0 | - | 4.94 | 71,963 |
| Countries by Road Signs | 0 | - | 4.98 | 48,939 |
| Southernmost Countries of the World | 0 | - | 4.99 | 217,124 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 97,854 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 115,337 |
| Countries With the Most Languages | 0 | - | 4.88 | 187,457 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 92,029 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 87,844 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 92,800 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 57,863 |
| Tallest Countries North to South | 0 | - | 4.85 | 115,001 |
| Widest Countries East to West | 0 | - | 4.92 | 123,900 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 70,021 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 164,482 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 95,155 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 89,757 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 124,387 |
| Countries with the Most Desert | 0 | - | 4.93 | 122,704 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 67,846 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 33,379 |
| Countries with Double Letters | 0 | - | 4.96 | 80,540 |
| Countries that End in N | 0 | - | 4.93 | 144,633 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 243,675 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 198,870 |
| Countries with W | 0 | - | 4.97 | 132,208 |
| Countries with Z | 0 | - | 4.98 | 274,103 |
| Countries with Letters Missing | 0 | - | 4.97 | 175,446 |
| Countries That End in U | 0 | - | 4.95 | 113,488 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 99,040 |
| Countries that End in O | 0 | - | 4.92 | 153,125 |
| Countries that End in R | 0 | - | 4.84 | 99,525 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 151,508 |
| Countries Ending in "IA" | 0 | - | 4.99 | 196,706 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 162,525 |
| Countries by Last Two Letters | 0 | - | 4.89 | 121,252 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 134,945 |
| Countries That End in Y | 0 | - | 4.91 | 181,298 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 188,054 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 126,746 |
| Countries that End in I | 0 | - | 4.92 | 117,089 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 157,456 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 91,793 |
| Countries That End in NIA | 0 | - | 4.92 | 104,653 |
| Countries That End in BIA | 0 | - | 4.91 | 141,743 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 160,526 |
| Countries Whose Names Start with Saint | 0 | - | 4.86 | 114,136 |
| Countries That End in RIA | 0 | - | 4.89 | 104,988 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 105,234 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 213,455 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 126,286 |
| Divided Country Name Puzzle #3 | 0 | - | 4.91 | 118,034 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 84,029 |
| Countries With One Word and Three A's | 0 | - | 4.94 | 48,023 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 97,104 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.97 | 119,260 |
| Countries that are Free from U.S.A. | 0 | - | 4.87 | 45,852 |
| Countries with the Word "And" | 0 | - | 4.98 | 89,124 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 46,908 |
| Countries that End in L | 0 | - | 4.94 | 151,170 |
| "Land" Countries | 0 | - | 4.98 | 298,680 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 196,021 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 83,776 |
| City to Country Quiz #1 | 0 | - | 4.95 | 138,512 |
| City to Country Quiz #3 | 0 | - | 4.87 | 103,204 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 74,953 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 218,012 |
| Five Poorest Countries by Continent | 0 | - | 4.95 | 191,497 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 121,584 |
| Five Smallest Countries by Continent | 0 | - | 4.97 | 139,629 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.92 | 214,863 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 146,294 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.88 | 68,459 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.83 | 105,466 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 84,627 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 59,374 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,372,412 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 362,580 |
| One Border Countries | 0 | - | 4.98 | 441,915 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,603,088 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 81,057 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 255,897 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 115,036 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 107,159 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 87,267 |
| Countries by Population Range - Tile Select | 0 | - | 4.85 | 54,383 |
| Nearest Capital City #1 | 0 | - | 4.83 | 54,569 |
| World Capitals by Proximity | 0 | - | 4.89 | 312,581 |
| World Capitals Deepest in a Country's Territory | 0 | - | 4.96 | 51,081 |
| Countries by National Anthem | 0 | - | 4.92 | 69,629 |
| NATO Countries Quiz | 0 | - | 4.98 | 255,876 |
| EU Countries Quiz | 0 | - | 4.99 | 252,481 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 150,988 |
| French-Speaking Countries | 0 | - | 4.85 | 254,506 |
| Natural Features of Countries #1 | 0 | - | 4.85 | 80,263 |
