| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,771 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,162 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,617 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,121 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,612 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,580 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,953 |
| Landlocked Countries | 0 | - | 4.99 | 418,885 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,551 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,416 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,369 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,330,168 |
| Five Most Elevated Countries by Continent | 0 | - | 4.98 | 112,819 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 120,830 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,975 |
| Himalayan Countries | 0 | - | 4.94 | 137,404 |
| Andean Countries | 0 | - | 4.95 | 83,923 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,221 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,637 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,824 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,343 |
| Danube Countries | 0 | - | 4.97 | 71,653 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,540 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,048 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,638 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,724 |
| European Landlocked Countries | 0 | - | 4.99 | 146,771 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,127 |
| Countries with the Most Species | 0 | - | 4.99 | 102,905 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,260 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,430 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,585 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,298 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,985 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,357 |
| Countries in the Alps | 0 | - | 4.87 | 117,683 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,126 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,356 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,411 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,979 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,087 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,508 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,278 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,181 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,963 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,548 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,474 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,335 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,917 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,183 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,204 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,170 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,058 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,568 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,511 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,340 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,214 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,993 |
| Largest Countries By Category | 0 | - | 4.97 | 157,626 |
| Countries by Countries | 0 | - | 4.96 | 62,832 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,202 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,158 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,466 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,319 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,756,509 |
| Five Least Guessed Countries by Continent | 0 | - | 4.97 | 98,099 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,939 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,590 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,071 |
| Island Countries | 0 | - | 4.99 | 709,729 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,045,988 |
| Northernmost Countries | 0 | - | 4.99 | 360,436 |
| Countries of South America | 0 | - | 5.00 | 922,845 |
| Countries of Oceania | 0 | - | 5.00 | 1,050,912 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,866,174 |
| "Land" Countries | 0 | - | 4.98 | 335,783 |
| Five Lowest HDI Countries by Continent | 0 | - | 4.63 | 51,484 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,375,577 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,012 |
| Countries with Megacities | 0 | - | 4.99 | 259,524 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,871 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,984 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,156 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,987 |
| Countries by Official Language | 0 | - | 4.95 | 194,638 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,512 |
| Countries in their Native Language | 0 | - | 4.99 | 198,176 |
| Independence from Whom | 0 | - | 4.99 | 211,295 |
| Subdivisions by Country | 0 | - | 4.86 | 50,286 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,694 |
| Megadiverse Countries | 0 | - | 4.96 | 134,760 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,537 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,181 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,752 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,016 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,706 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,378 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,967 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,842 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,483 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,987 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,943 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,711 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,990 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,770 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,149 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,324 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,177 |
| World Map Quiz | 0 | - | 4.81 | 64,509 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,569 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,027 |
| Countries by Founding Story | 0 | - | 4.95 | 77,058 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,486 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,923 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,632 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,312 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,516 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,667 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,822 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,258 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,279 |
| Widest Countries East to West | 0 | - | 4.92 | 129,367 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,381 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,954 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,990 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,507 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,214 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,541 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,230 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,725 |
| Countries with Double Letters | 0 | - | 4.97 | 95,079 |
| Countries that End in N | 0 | - | 4.95 | 169,978 |
| Countries with Five Letters | 0 | - | 4.96 | 280,147 |
| Countries with Six Letters | 0 | - | 4.94 | 212,464 |
| Countries with W | 0 | - | 4.97 | 159,517 |
| Countries with Z | 0 | - | 4.98 | 289,790 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,731 |
| Countries That End in U | 0 | - | 4.95 | 120,407 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,742 |
| Countries that End in O | 0 | - | 4.92 | 159,191 |
| Countries that End in R | 0 | - | 4.87 | 118,731 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,508 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,322 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,097 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,075 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,658 |
| Countries That End in Y | 0 | - | 4.90 | 185,647 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,220 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,415 |
| Countries that End in I | 0 | - | 4.94 | 134,864 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,071 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,573 |
| Countries That End in NIA | 0 | - | 4.92 | 109,513 |
| Countries That End in BIA | 0 | - | 4.93 | 148,839 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,706 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,055 |
| Countries That End in RIA | 0 | - | 4.93 | 126,532 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,620 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,682 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,220 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,579 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,104 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,317 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,681 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,236 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,115 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,188 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,819 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,528 |
| Countries that End in L | 0 | - | 4.94 | 156,538 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 213,983 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,153 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,834 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,720 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,779 |
| Five Most Guessed Countries by Continent | 0 | - | 4.97 | 172,402 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,597 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,660 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,187 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,716 |
| One Border Countries | 0 | - | 4.98 | 467,660 |
| Five Highest HDI Countries by Continent | 0 | - | 4.52 | 58,332 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,822,441 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,614,807 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,677 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,262 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,928 |
| Countries by National Anthem | 0 | - | 4.93 | 71,182 |
| NATO Countries | 0 | - | 4.98 | 279,323 |
| EU Countries Quiz | 0 | - | 4.99 | 272,911 |
| Recently Independent Countries | 0 | - | 4.98 | 159,011 |
| French-Speaking Countries | 0 | - | 4.85 | 270,198 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,756 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,563 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 287,451 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 271,913 |
| German-Speaking Countries | 0 | - | 4.91 | 145,327 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,276 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,867 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 165,104 |
