| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,867 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,233 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,675 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,176 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,679 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,969 |
| Landlocked Countries | 0 | - | 4.99 | 419,361 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,590 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,513 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,421 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,364,191 |
| Five Most Elevated Countries by Continent | 0 | - | 4.98 | 112,854 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 120,962 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,164 |
| Himalayan Countries | 0 | - | 4.95 | 137,595 |
| Andean Countries | 0 | - | 4.95 | 84,031 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,285 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,772 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,899 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,402 |
| Danube Countries | 0 | - | 4.97 | 71,706 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,616 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,105 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,722 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,801 |
| European Landlocked Countries | 0 | - | 4.99 | 146,815 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,189 |
| Countries with the Most Species | 0 | - | 4.99 | 102,960 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,337 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,440 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,603 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,337 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,014 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,403 |
| Countries in the Alps | 0 | - | 4.87 | 117,754 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,185 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,453 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,448 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,042 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,151 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,747 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,331 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,228 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,992 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,592 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,508 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,358 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,964 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,223 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,248 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,268 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,089 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,591 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,600 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,561 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,335 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,018 |
| Largest Countries By Category | 0 | - | 4.97 | 157,715 |
| Countries by Countries | 0 | - | 4.96 | 62,879 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,271 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,173 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,479 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,371 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,759,401 |
| Five Least Guessed Countries by Continent | 0 | - | 4.97 | 98,177 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,366 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,707 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,338 |
| Island Countries | 0 | - | 4.99 | 709,935 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,046,505 |
| Northernmost Countries | 0 | - | 4.99 | 360,667 |
| Countries of South America | 0 | - | 5.00 | 923,506 |
| Countries of Oceania | 0 | - | 5.00 | 1,051,872 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,867,700 |
| "Land" Countries | 0 | - | 4.98 | 335,899 |
| Five Lowest HDI Countries by Continent | 0 | - | 4.63 | 51,507 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,376,653 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,141 |
| Countries with Megacities | 0 | - | 4.99 | 261,559 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,006 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,060 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,288 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,092 |
| Countries by Official Language | 0 | - | 4.95 | 194,715 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,642 |
| Countries in their Native Language | 0 | - | 4.99 | 198,261 |
| Independence from Whom | 0 | - | 4.99 | 211,423 |
| Subdivisions by Country | 0 | - | 4.86 | 50,301 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,788 |
| Megadiverse Countries | 0 | - | 4.96 | 134,796 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,599 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,205 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,769 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,030 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,754 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,407 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,036 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,866 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,509 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,001 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,084 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,740 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,014 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,803 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,175 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,346 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,304 |
| World Map Quiz | 0 | - | 4.81 | 64,659 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,792 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,069 |
| Countries by Founding Story | 0 | - | 4.95 | 77,104 |
| Countries by Road Signs | 0 | - | 4.98 | 53,694 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,599 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,979 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,700 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,447 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,572 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,719 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,866 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,297 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,326 |
| Widest Countries East to West | 0 | - | 4.92 | 129,414 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,392 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,004 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,011 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,550 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,272 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,590 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,254 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,732 |
| Countries with Double Letters | 0 | - | 4.97 | 95,156 |
| Countries that End in N | 0 | - | 4.95 | 170,124 |
| Countries with Five Letters | 0 | - | 4.96 | 280,660 |
| Countries with Six Letters | 0 | - | 4.94 | 212,577 |
| Countries with W | 0 | - | 4.97 | 159,561 |
| Countries with Z | 0 | - | 4.98 | 289,904 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,808 |
| Countries That End in U | 0 | - | 4.95 | 120,431 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,818 |
| Countries that End in O | 0 | - | 4.92 | 159,217 |
| Countries that End in R | 0 | - | 4.87 | 118,750 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,530 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,399 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,154 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,114 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,705 |
| Countries That End in Y | 0 | - | 4.91 | 185,658 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,297 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,472 |
| Countries that End in I | 0 | - | 4.94 | 134,893 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,151 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,597 |
| Countries That End in NIA | 0 | - | 4.92 | 109,539 |
| Countries That End in BIA | 0 | - | 4.93 | 148,875 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,769 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,096 |
| Countries That End in RIA | 0 | - | 4.93 | 126,563 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,671 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,813 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,280 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,657 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,191 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,355 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,710 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,279 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,171 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,216 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,880 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,583 |
| Countries that End in L | 0 | - | 4.94 | 156,566 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 214,203 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,161 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,860 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,743 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,801 |
| Five Most Guessed Countries by Continent | 0 | - | 4.97 | 172,489 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,609 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,696 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,897 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,880 |
| One Border Countries | 0 | - | 4.98 | 467,908 |
| Five Highest HDI Countries by Continent | 0 | - | 4.52 | 58,350 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,824,130 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,617,084 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,739 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,311 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,970 |
| Countries by National Anthem | 0 | - | 4.93 | 71,196 |
| NATO Countries | 0 | - | 4.98 | 279,543 |
| EU Countries Quiz | 0 | - | 4.99 | 273,201 |
| Recently Independent Countries | 0 | - | 4.98 | 159,071 |
| French-Speaking Countries | 0 | - | 4.85 | 270,290 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,774 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,692 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 287,677 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 272,223 |
| German-Speaking Countries | 0 | - | 4.91 | 145,398 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,601 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,052 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 165,295 |
