| Spanish-Speaking Countries | 0 | - | 4.95 | 362,453 |
| Spanish to English Country Names | 0 | - | 4.81 | 28,025 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.96 | 122,320 |
| Countries by Official Language | 0 | - | 4.95 | 185,878 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.90 | 284,355 |
| Countries in their Native Language | 0 | - | 4.98 | 190,251 |
| Countries With the Most English Speakers | 0 | - | 4.89 | 123,792 |
| French-Speaking Countries | 0 | - | 4.85 | 261,249 |
| German-Speaking Countries | 0 | - | 4.89 | 121,627 |
| Countries of the World Quiz | 0 | - | 5.00 | 44,830,094 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 389,458 |
| English Speaking Countries | 0 | - | 4.69 | 350,496 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,446,542 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,520,811 |
| Capital Cities with Spanish Names | 0 | - | 4.83 | 65,977 |
| Sahara Desert Countries | 0 | - | 4.97 | 148,950 |
| Himalayan Countries | 0 | - | 4.94 | 125,136 |
| Andean Countries | 0 | - | 4.93 | 70,450 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 57,994 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 115,366 |
| Coffee Producing Countries | 0 | - | 4.83 | 61,364 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 60,500 |
| Danube Countries | 0 | - | 4.97 | 61,617 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 97,953 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 82,652 |
| Countries with the Worst Passports | 0 | - | 4.92 | 75,140 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 140,610 |
| European Landlocked Countries | 0 | - | 4.99 | 142,021 |
| Partially Recognized Countries | 0 | - | 4.98 | 99,738 |
| Countries with the Most Species | 0 | - | 4.99 | 93,118 |
| Countries 197 to 205 | 0 | - | 4.87 | 64,678 |
| Tropic of Cancer Countries | 0 | - | 4.95 | 47,049 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 46,132 |
| Countries that Use the Peso | 0 | - | 4.89 | 56,974 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 70,499 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 54,401 |
| Countries in the Alps | 0 | - | 4.86 | 111,907 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 91,521 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 99,345 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 76,011 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 84,437 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 111,606 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 92,588 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 96,084 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 50,445 |
| Biggest Country by Body of Water | 0 | - | 4.95 | 48,438 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 59,444 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 51,687 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 39,497 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 100,756 |
| Arctic Ocean Countries | 0 | - | 4.94 | 76,441 |
| Countries with the Most Grassland | 0 | - | 4.93 | 74,248 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 110,733 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 65,403 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 57,328 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.94 | 40,489 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 225,900 |
| World Countries - Blind Typing | 0 | - | 5.00 | 97,368 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 45,660 |
| Largest Countries By Category | 0 | - | 4.97 | 152,392 |
| Countries by Countries | 0 | - | 4.96 | 59,096 |
| Country Flags with the Most White | 0 | - | 4.85 | 133,149 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 60,931 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.86 | 46,525 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 84,705 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 386,169 |
| Island Countries Quiz | 0 | - | 4.99 | 694,789 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,005,240 |
| Northernmost Countries | 0 | - | 4.99 | 344,782 |
| Countries of South America | 0 | - | 5.00 | 873,267 |
| Countries of Oceania | 0 | - | 5.00 | 988,689 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,753,298 |
| Top World Languages | 0 | - | 4.92 | 777,573 |
| 15 Most Populous Countries that Speak a Romance Language | 0 | - | 4.70 | 110,005 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,282,525 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 162,264 |
| Countries with Megacities | 0 | - | 4.99 | 221,788 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 189,076 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 107,498 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 128,589 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 74,872 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 297,391 |
| Independence from Whom | 0 | - | 4.99 | 202,139 |
| Subdivisions by Country | 0 | - | 4.85 | 48,852 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 125,338 |
| Megadiverse Countries | 0 | - | 4.97 | 131,172 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 53,325 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 122,583 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 73,445 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.86 | 49,551 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 156,740 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 60,106 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 88,398 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 150,087 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 80,973 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 43,617 |
| Countries by Sports League Revenue | 0 | - | 4.93 | 69,382 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 105,264 |
| Countries Furthest from the United States | 0 | - | 4.93 | 86,422 |
| Countries with the Highest HDI | 0 | - | 4.95 | 134,902 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 72,611 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 69,119 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 100,354 |
| World Map Quiz | 0 | - | 4.87 | 58,960 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 138,607 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 87,708 |
| Countries by Founding Story | 0 | - | 4.95 | 73,699 |
| Southernmost Countries of the World | 0 | - | 4.99 | 220,149 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 99,840 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 117,634 |
| Countries With the Most Languages | 0 | - | 4.89 | 191,677 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 96,494 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 89,463 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 94,676 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 58,920 |
| Tallest Countries North to South | 0 | - | 4.84 | 116,533 |
| Widest Countries East to West | 0 | - | 4.92 | 125,602 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 70,403 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 181,411 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 95,938 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 91,053 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 126,159 |
| Countries with the Most Desert | 0 | - | 4.93 | 124,037 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 68,257 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 33,797 |
| Countries with Double Letters | 0 | - | 4.97 | 84,869 |
| Countries that End in N | 0 | - | 4.94 | 148,478 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 248,932 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 202,787 |
| Countries with W | 0 | - | 4.97 | 151,819 |
| Countries with Z | 0 | - | 4.98 | 278,633 |
| Countries with Letters Missing | 0 | - | 4.97 | 178,456 |
| Countries That End in U | 0 | - | 4.95 | 115,627 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 102,532 |
| Countries that End in O | 0 | - | 4.92 | 155,422 |
| Countries that End in R | 0 | - | 4.83 | 100,595 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 152,543 |
| Countries Ending in "IA" | 0 | - | 4.99 | 200,002 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 164,757 |
| Countries by Last Two Letters | 0 | - | 4.88 | 131,274 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 137,043 |
| Countries That End in Y | 0 | - | 4.91 | 182,766 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 190,962 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.93 | 146,870 |
| Countries that End in I | 0 | - | 4.92 | 117,981 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 165,903 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 93,001 |
| Countries That End in NIA | 0 | - | 4.92 | 105,770 |
| Countries That End in BIA | 0 | - | 4.92 | 143,674 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 162,228 |
| Countries Whose Names Start with Saint | 0 | - | 4.86 | 115,593 |
| Countries That End in RIA | 0 | - | 4.89 | 106,095 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 106,839 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 217,708 |
| Divided Country Name Puzzle #2 | 0 | - | 4.98 | 128,470 |
| Divided Country Name Puzzle #3 | 0 | - | 4.91 | 120,414 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 86,246 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 71,854 |
| Countries With One Word and Three A's | 0 | - | 4.94 | 49,416 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 98,992 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.97 | 120,943 |
| Countries that are Free from U.S.A. | 0 | - | 4.87 | 46,879 |
| Countries with the Word "And" | 0 | - | 4.98 | 90,915 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 48,927 |
| Countries that End in L | 0 | - | 4.94 | 152,840 |
| "Land" Countries | 0 | - | 4.98 | 301,038 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 198,756 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 84,183 |
| City to Country Quiz #1 | 0 | - | 4.96 | 151,367 |
| City to Country Quiz #3 | 0 | - | 4.87 | 105,437 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 76,148 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 221,619 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 194,228 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 123,217 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 158,203 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 217,931 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 148,198 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.88 | 69,284 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.83 | 106,322 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.94 | 85,166 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 60,275 |
| Places in their Native Language #1 | 0 | - | 4.85 | 233,340 |
| Places in their Native Language #2 | 0 | - | 4.87 | 119,934 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,392,030 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 367,050 |
| One Border Countries | 0 | - | 4.98 | 447,953 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,662,193 |
| Countries With the Most Italian Speakers | 0 | - | 4.49 | 54,471 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 82,729 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 259,180 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 117,019 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 108,453 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 89,165 |
| Countries by Population Range - Tile Select | 0 | - | 4.86 | 55,636 |
| Capitals in their Native Languages | 0 | - | 4.94 | 130,580 |
| Countries by National Anthem | 0 | - | 4.93 | 70,176 |
| NATO Countries Quiz | 0 | - | 4.98 | 260,034 |
| EU Countries Quiz | 0 | - | 4.99 | 256,685 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 153,303 |
| Natural Features of Countries #1 | 0 | - | 4.85 | 81,550 |
