| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,007 |
| Landlocked Countries | 0 | - | 4.99 | 418,671 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,318,063 |
| Top Olive Oil Producing Countries | 0 | - | 4.91 | 81,487 |
| Countries Producing the Most Oranges | 0 | - | 4.81 | 51,408 |
| Top Rice-Producing Countries | 0 | - | 4.95 | 98,694 |
| Top Chocolate Growing Countries | 0 | - | 4.93 | 61,640 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,872 |
| Himalayan Countries | 0 | - | 4.94 | 137,309 |
| Andean Countries | 0 | - | 4.95 | 83,873 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,149 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,558 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,792 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,313 |
| Danube Countries | 0 | - | 4.97 | 71,624 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,510 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,029 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,593 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,671 |
| European Landlocked Countries | 0 | - | 4.99 | 146,741 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,096 |
| Countries with the Most Species | 0 | - | 4.99 | 102,882 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,227 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,425 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,579 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,286 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,962 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,343 |
| Countries in the Alps | 0 | - | 4.87 | 117,641 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,105 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,317 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,390 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,958 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,059 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,428 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,249 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,161 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,948 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,529 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,462 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,324 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,902 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,174 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,187 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,133 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,045 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,557 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,487 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,260 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,163 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,980 |
| Largest Countries By Category | 0 | - | 4.97 | 157,592 |
| Countries by Countries | 0 | - | 4.96 | 62,816 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,169 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,153 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,465 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,300 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,755,311 |
| Countries that Produce the Most Palm Oil | 0 | - | 4.81 | 18,017 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,764 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,534 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,970 |
| Island Countries | 0 | - | 4.99 | 709,643 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,045,801 |
| Northernmost Countries | 0 | - | 4.99 | 360,366 |
| Countries of South America | 0 | - | 5.00 | 922,587 |
| Countries of Oceania | 0 | - | 5.00 | 1,050,600 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,865,621 |
| "Land" Countries | 0 | - | 4.98 | 335,741 |
| Countries with the Most Cultivated Land | 0 | - | 4.73 | 34,139 |
| Countries with the Lowest Percent of Cultivated Land | 0 | - | 4.61 | 34,812 |
| Countries Producing the Most Bananas | 0 | - | 4.69 | 55,008 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,375,187 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,944 |
| Countries with Megacities | 0 | - | 4.99 | 258,037 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,819 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,941 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,100 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,953 |
| Countries by Official Language | 0 | - | 4.95 | 194,597 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,468 |
| Countries in their Native Language | 0 | - | 4.99 | 198,139 |
| Independence from Whom | 0 | - | 4.99 | 211,252 |
| Subdivisions by Country | 0 | - | 4.86 | 50,275 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,656 |
| Megadiverse Countries | 0 | - | 4.96 | 134,750 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,514 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,736 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,679 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,361 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,940 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,828 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,470 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,978 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,900 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,700 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,974 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,758 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,129 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,309 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,129 |
| World Map Quiz | 0 | - | 4.81 | 64,487 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,504 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,010 |
| Countries by Founding Story | 0 | - | 4.95 | 77,044 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,458 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,902 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,615 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,276 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,495 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,653 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,806 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,248 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,263 |
| Widest Countries East to West | 0 | - | 4.92 | 129,344 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,376 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,932 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,984 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,499 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,190 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,524 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,222 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,724 |
| Countries with Double Letters | 0 | - | 4.97 | 95,048 |
| Countries that End in N | 0 | - | 4.95 | 169,911 |
| Countries with Five Letters | 0 | - | 4.96 | 279,903 |
| Countries with Six Letters | 0 | - | 4.94 | 212,431 |
| Countries with W | 0 | - | 4.97 | 159,496 |
| Countries with Z | 0 | - | 4.98 | 289,753 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,697 |
| Countries That End in U | 0 | - | 4.95 | 120,396 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,719 |
| Countries that End in O | 0 | - | 4.92 | 159,181 |
| Countries that End in R | 0 | - | 4.87 | 118,726 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,501 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,278 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,078 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,065 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,651 |
| Countries That End in Y | 0 | - | 4.90 | 185,639 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,194 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,395 |
| Countries that End in I | 0 | - | 4.94 | 134,852 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,043 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,565 |
| Countries That End in NIA | 0 | - | 4.92 | 109,499 |
| Countries That End in BIA | 0 | - | 4.93 | 148,824 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,685 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,026 |
| Countries That End in RIA | 0 | - | 4.93 | 126,518 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,603 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,628 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,190 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,534 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,086 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,298 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,658 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,215 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,099 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,184 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,802 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,510 |
| Countries that End in L | 0 | - | 4.94 | 156,529 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 213,912 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,151 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,824 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,701 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,753 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,736 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,132 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,590 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,087 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,582 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,565 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,941 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,589 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,645 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,442,966 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,633 |
| One Border Countries | 0 | - | 4.98 | 467,549 |
| Countries with the Highest Percentage of Cultivated Land | 0 | - | 4.74 | 14,243 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,821,790 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,613,952 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,535 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,358 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,657 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,249 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,346 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,908 |
| Countries by National Anthem | 0 | - | 4.93 | 71,173 |
| NATO Countries | 0 | - | 4.98 | 279,199 |
| EU Countries Quiz | 0 | - | 4.99 | 272,828 |
| Recently Independent Countries | 0 | - | 4.98 | 158,988 |
| French-Speaking Countries | 0 | - | 4.85 | 270,176 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,750 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,516 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 287,385 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 271,817 |
| German-Speaking Countries | 0 | - | 4.91 | 145,289 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,226 |
