| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,182 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,434 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,352 |
| Landlocked Countries | 0 | - | 4.99 | 414,023 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,539 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,955,639 |
| Top 10 European Countries with the Highest Elevation | 0 | - | 4.83 | 90,860 |
| Top Rice-Producing Countries | 0 | - | 4.95 | 98,443 |
| Top Chocolate Growing Countries | 0 | - | 4.93 | 61,318 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,766 |
| Himalayan Countries | 0 | - | 4.95 | 135,505 |
| Andean Countries | 0 | - | 4.94 | 82,902 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,284 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,296 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,974 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,660 |
| Danube Countries | 0 | - | 4.97 | 71,120 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,819 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,581 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,573 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,481 |
| European Landlocked Countries | 0 | - | 4.99 | 145,804 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,272 |
| Countries with the Most Species | 0 | - | 4.99 | 95,265 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,415 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,213 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,384 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,980 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,605 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,986 |
| Countries in the Alps | 0 | - | 4.86 | 116,901 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,614 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,340 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,046 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,462 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,225 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,044 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,624 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,795 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,458 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,106 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,207 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,068 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,482 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,794 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,784 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,159 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,691 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,281 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,834 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,530 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,817 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,628 |
| Largest Countries By Category | 0 | - | 4.97 | 156,838 |
| Countries by Countries | 0 | - | 4.96 | 62,302 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,471 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,977 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,345 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,813 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,720,561 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,595 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,277 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,089 |
| Island Countries | 0 | - | 4.99 | 707,779 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,040,057 |
| Northernmost Countries | 0 | - | 4.99 | 357,967 |
| Countries of South America | 0 | - | 5.00 | 915,530 |
| Countries of Oceania | 0 | - | 5.00 | 1,041,529 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,849,978 |
| "Land" Countries | 0 | - | 4.98 | 333,756 |
| Top 10 Countries with the Most Volcanoes | 0 | - | 4.53 | 77,151 |
| Top 10 Countries with the Most Time Zones | 0 | - | 4.69 | 154,847 |
| Top 10 Most Protestant European Countries | 0 | - | 4.49 | 36,460 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,363,497 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,525 |
| Countries with Megacities | 0 | - | 4.99 | 247,376 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,344 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,133 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,768 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,051 |
| Countries by Official Language | 0 | - | 4.95 | 192,863 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,254 |
| Countries in their Native Language | 0 | - | 4.99 | 196,718 |
| Independence from Whom | 0 | - | 4.99 | 209,807 |
| Subdivisions by Country | 0 | - | 4.86 | 50,088 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,838 |
| Megadiverse Countries | 0 | - | 4.97 | 133,942 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,893 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,938 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,448 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,871 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,722 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,033 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,118 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,191 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,234 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,755 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,674 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,444 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,525 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,524 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,711 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,043 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,692 |
| World Map Quiz | 0 | - | 4.81 | 63,578 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 152,927 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,381 |
| Countries by Founding Story | 0 | - | 4.95 | 76,587 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,449 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,142 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,995 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,892 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,912 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,104 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,314 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,971 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,365 |
| Widest Countries East to West | 0 | - | 4.92 | 128,642 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,221 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,279 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,589 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,720 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,675 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,099 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,060 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,596 |
| Countries with Double Letters | 0 | - | 4.96 | 93,462 |
| Countries that End in N | 0 | - | 4.94 | 156,961 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,768 |
| Countries with Six Letters | 0 | - | 4.93 | 210,431 |
| Countries with W | 0 | - | 4.97 | 158,280 |
| Countries with Z | 0 | - | 4.98 | 287,971 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,609 |
| Countries That End in U | 0 | - | 4.95 | 119,541 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,661 |
| Countries that End in O | 0 | - | 4.92 | 158,583 |
| Countries that End in R | 0 | - | 4.87 | 118,298 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,875 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,168 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,392 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,536 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,077 |
| Countries That End in Y | 0 | - | 4.90 | 185,228 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,450 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,741 |
| Countries that End in I | 0 | - | 4.94 | 134,456 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,277 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,231 |
| Countries That End in NIA | 0 | - | 4.92 | 109,043 |
| Countries That End in BIA | 0 | - | 4.92 | 147,747 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,127 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,525 |
| Countries That End in RIA | 0 | - | 4.93 | 126,114 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 110,049 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,272 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,551 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,930 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,414 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 73,952 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,162 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,690 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,549 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,832 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,200 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 52,864 |
| Countries that End in L | 0 | - | 4.94 | 155,781 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 211,476 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 84,997 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,541 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,339 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,460 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 247,348 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,259 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 132,700 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,332 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 223,589 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 151,653 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,682 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,848 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,843 |
| One Border Countries | 0 | - | 4.98 | 464,726 |
| Countries that Eat the Most Fish | 0 | - | 4.26 | 71,557 |
| Top 10 Countries with the Most Fishermen | 0 | - | 4.30 | 45,202 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,802,949 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,590,015 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,944 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,144 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,978 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,726 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,364 |
| Countries by National Anthem | 0 | - | 4.93 | 71,040 |
| NATO Countries | 0 | - | 4.98 | 276,129 |
| EU Countries Quiz | 0 | - | 4.99 | 270,208 |
| Recently Independent Countries | 0 | - | 4.98 | 158,044 |
| French-Speaking Countries | 0 | - | 4.85 | 268,920 |
| Natural Features of Countries #1 | 0 | - | 4.86 | 83,397 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,152 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 285,155 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 268,645 |
| German-Speaking Countries | 0 | - | 4.89 | 123,530 |
