| Spanish to English Country Names | 0 | - | 4.86 | 33,152 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,135 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.95 | 124,675 |
| Countries by Official Language | 0 | - | 4.95 | 194,998 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,028 |
| Countries in their Native Language | 0 | - | 4.99 | 198,505 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,854 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,396 |
| French-Speaking Countries | 0 | - | 4.85 | 270,583 |
| German-Speaking Countries | 0 | - | 4.91 | 145,604 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,483,004 |
| Landlocked Countries | 0 | - | 4.99 | 420,809 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,237 |
| English Speaking Countries | 0 | - | 4.64 | 357,382 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,769,602 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,599 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,884 |
| Himalayan Countries | 0 | - | 4.95 | 138,206 |
| Andean Countries | 0 | - | 4.95 | 84,327 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,552 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,434 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,176 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,604 |
| Danube Countries | 0 | - | 4.97 | 71,863 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,836 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,267 |
| Countries with the Worst Passports | 0 | - | 4.94 | 84,036 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,499 |
| European Landlocked Countries | 0 | - | 4.99 | 147,004 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,417 |
| Countries with the Most Species | 0 | - | 4.99 | 103,125 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,568 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,523 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,669 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,459 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,135 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,529 |
| Countries in the Alps | 0 | - | 4.87 | 118,004 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 99,977 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,786 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,560 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,476 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,347 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,849 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,500 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,364 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,097 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,723 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,574 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,431 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,093 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,369 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,392 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,608 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,193 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,715 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,859 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,339 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,752 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,127 |
| Largest Countries By Category | 0 | - | 4.97 | 157,977 |
| Countries by Countries | 0 | - | 4.96 | 63,051 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,499 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,228 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,522 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,160 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,837 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,542 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,523 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,436 |
| Island Countries | 0 | - | 4.99 | 710,549 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,048,264 |
| Northernmost Countries | 0 | - | 4.99 | 361,372 |
| Countries of South America | 0 | - | 5.00 | 925,476 |
| Countries of Oceania | 0 | - | 5.00 | 1,054,560 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,872,832 |
| "Land" Countries | 0 | - | 4.98 | 336,838 |
| Top World Languages | 0 | - | 4.92 | 822,611 |
| 15 Most Populous Countries that Speak a Romance Language | 0 | - | 4.75 | 127,768 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,380,490 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,568 |
| Countries with Megacities | 0 | - | 4.99 | 263,660 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,402 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,298 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,677 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,336 |
| Independence from Whom | 0 | - | 4.99 | 211,784 |
| Subdivisions by Country | 0 | - | 4.86 | 50,378 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,112 |
| Megadiverse Countries | 0 | - | 4.96 | 134,908 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,279 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,860 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,067 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,953 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,502 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,269 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,954 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,582 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,047 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,404 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,803 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,117 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,891 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,261 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,426 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,797 |
| World Map Quiz | 0 | - | 4.81 | 64,912 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 156,551 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,223 |
| Countries by Founding Story | 0 | - | 4.95 | 77,248 |
| Countries by Road Signs | 0 | - | 4.98 | 53,860 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,841 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,127 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,851 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,851 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,757 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,892 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,195 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,370 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,468 |
| Widest Countries East to West | 0 | - | 4.92 | 129,536 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,420 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,217 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,073 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,658 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,442 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,726 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,325 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,772 |
| Countries with Double Letters | 0 | - | 4.97 | 95,791 |
| Countries that End in N | 0 | - | 4.95 | 170,738 |
| Countries with Five Letters | 0 | - | 4.96 | 281,802 |
| Countries with Six Letters | 0 | - | 4.94 | 213,151 |
| Countries with W | 0 | - | 4.97 | 160,039 |
| Countries with Z | 0 | - | 4.98 | 290,994 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,379 |
| Countries That End in U | 0 | - | 4.95 | 120,676 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,170 |
| Countries that End in O | 0 | - | 4.92 | 159,396 |
| Countries that End in R | 0 | - | 4.87 | 118,866 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,636 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,775 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,438 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,296 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,956 |
| Countries That End in Y | 0 | - | 4.91 | 185,786 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,632 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,680 |
| Countries that End in I | 0 | - | 4.94 | 134,997 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,815 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,719 |
| Countries That End in NIA | 0 | - | 4.92 | 109,665 |
| Countries That End in BIA | 0 | - | 4.93 | 149,048 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,936 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,268 |
| Countries That End in RIA | 0 | - | 4.93 | 126,700 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,841 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,228 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,482 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,881 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,441 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,474 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,872 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,393 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,368 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,329 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,094 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,801 |
| Countries that End in L | 0 | - | 4.94 | 156,709 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 214,998 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,224 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,931 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,855 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,900 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 249,493 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,457 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 142,846 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,386 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,939 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,750 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,032 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,653 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,779 |
| Places in their Native Language #1 | 0 | - | 4.85 | 241,995 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,446,179 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,449 |
| One Border Countries | 0 | - | 4.98 | 468,774 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,829,941 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,625,207 |
| Countries With the Most Italian Speakers | 0 | - | 4.49 | 57,917 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,748 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,878 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,949 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,424 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,574 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,104 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,415 |
| Countries by National Anthem | 0 | - | 4.93 | 71,251 |
| NATO Countries | 0 | - | 4.98 | 280,599 |
| EU Countries Quiz | 0 | - | 4.99 | 274,465 |
