| Countries in Relation to Cities #1 | 0 | - | 4.92 | 43,641 |
| Countries Furthest from the United States | 0 | - | 4.93 | 86,513 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 72,709 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 390,521 |
| Countries of the World Quiz | 0 | - | 5.00 | 44,924,783 |
| Five Closest Countries by Country #3 | 0 | - | 4.97 | 118,735 |
| Five Closest Countries by Country #1 | 0 | - | 5.00 | 240,580 |
| Five Closest Countries by Country #2 | 0 | - | 5.00 | 199,572 |
| Countries Closest to an Unknown Country A-Z #1 | 0 | - | 4.92 | 76,833 |
| Countries Closest to an Unknown Country A-Z #2 | 0 | - | 4.97 | 70,173 |
| Countries Closest to an Unknown Country A-Z #3 | 0 | - | 4.91 | 59,297 |
| Sahara Desert Countries | 0 | - | 4.97 | 149,464 |
| Himalayan Countries | 0 | - | 4.94 | 125,589 |
| Andean Countries | 0 | - | 4.93 | 70,705 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 58,213 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 115,753 |
| Coffee Producing Countries | 0 | - | 4.83 | 61,584 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 60,688 |
| Danube Countries | 0 | - | 4.97 | 61,752 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 98,129 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 82,770 |
| Countries with the Worst Passports | 0 | - | 4.92 | 75,552 |
| Countries with the Most Immigrants | 0 | - | 4.89 | 141,178 |
| European Landlocked Countries | 0 | - | 4.99 | 142,157 |
| Partially Recognized Countries | 0 | - | 4.98 | 99,961 |
| Countries with the Most Species | 0 | - | 4.99 | 93,193 |
| Countries 197 to 205 | 0 | - | 4.88 | 64,906 |
| Tropic of Cancer Countries | 0 | - | 4.95 | 47,108 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 46,189 |
| Countries that Use the Peso | 0 | - | 4.89 | 57,074 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 70,599 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 54,519 |
| Countries in the Alps | 0 | - | 4.86 | 112,096 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 91,652 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 99,598 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 76,090 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 86,207 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 111,757 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 92,685 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 96,218 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 50,542 |
| Biggest Country by Body of Water | 0 | - | 4.95 | 48,521 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 59,568 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 51,754 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 39,558 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 100,871 |
| Arctic Ocean Countries | 0 | - | 4.94 | 76,530 |
| Countries with the Most Grassland | 0 | - | 4.93 | 74,364 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 111,081 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 65,501 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 57,410 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.94 | 40,682 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 226,582 |
| World Countries - Blind Typing | 0 | - | 5.00 | 97,747 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 45,747 |
| Largest Countries By Category | 0 | - | 4.97 | 152,593 |
| Countries by Countries | 0 | - | 4.96 | 59,257 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,453,232 |
| Country Flags with the Most White | 0 | - | 4.85 | 133,328 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 60,972 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.86 | 46,557 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 84,887 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,529,220 |
| Straight Shot to Antarctica | 0 | - | 4.93 | 40,840 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 363,107 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 386,878 |
| Island Countries Quiz | 0 | - | 4.99 | 695,555 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,006,676 |
| Northernmost Countries | 0 | - | 4.99 | 345,111 |
| Countries of South America | 0 | - | 5.00 | 875,209 |
| Countries of Oceania | 0 | - | 5.00 | 991,030 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,757,445 |
| Countries With the Most Neighbors | 0 | - | 4.45 | 88,716 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,286,974 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 162,701 |
| Countries with Megacities | 0 | - | 4.99 | 222,308 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 189,578 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 107,688 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 128,905 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 75,088 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 301,985 |
| Countries by Official Language | 0 | - | 4.95 | 186,132 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.90 | 284,735 |
| Countries in their Native Language | 0 | - | 4.99 | 190,469 |
| Independence from Whom | 0 | - | 4.99 | 202,607 |
| Subdivisions by Country | 0 | - | 4.85 | 48,965 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 125,727 |
| Megadiverse Countries | 0 | - | 4.97 | 131,292 |
| Countries With the Most English Speakers | 0 | - | 4.89 | 124,079 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 53,400 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 122,720 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 73,527 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.86 | 49,584 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 156,939 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 60,268 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 88,721 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 150,175 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 81,082 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 69,705 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 105,323 |
| Countries with the Highest HDI | 0 | - | 4.95 | 134,987 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 69,209 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 100,710 |
| World Map Quiz | 0 | - | 4.87 | 59,137 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 139,308 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 87,816 |
| Countries by Founding Story | 0 | - | 4.95 | 73,898 |
| Southernmost Countries of the World | 0 | - | 4.99 | 220,405 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 99,990 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 117,818 |
| Countries With the Most Languages | 0 | - | 4.89 | 192,009 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.94 | 97,680 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 89,631 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 94,823 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 59,012 |
| Tallest Countries North to South | 0 | - | 4.84 | 116,640 |
| Widest Countries East to West | 0 | - | 4.92 | 125,762 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 70,437 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 181,591 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 95,994 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.96 | 91,167 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 126,295 |
| Countries with the Most Desert | 0 | - | 4.93 | 124,141 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 68,293 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 33,830 |
| Countries with Double Letters | 0 | - | 4.97 | 85,961 |
| Countries that End in N | 0 | - | 4.94 | 149,468 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 249,984 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 203,576 |
| Countries with W | 0 | - | 4.97 | 152,623 |
| Countries with Z | 0 | - | 4.98 | 279,575 |
| Countries with Letters Missing | 0 | - | 4.97 | 179,193 |
| Countries That End in U | 0 | - | 4.95 | 116,212 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 103,197 |
| Countries that End in O | 0 | - | 4.92 | 155,814 |
| Countries that End in R | 0 | - | 4.84 | 100,862 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 152,755 |
| Countries Ending in "IA" | 0 | - | 4.99 | 200,577 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 165,446 |
| Countries by Last Two Letters | 0 | - | 4.88 | 131,618 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 137,505 |
| Countries That End in Y | 0 | - | 4.91 | 182,937 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 191,735 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 147,844 |
| Countries that End in I | 0 | - | 4.92 | 118,141 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 176,721 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 93,122 |
| Countries That End in NIA | 0 | - | 4.92 | 106,766 |
| Countries That End in BIA | 0 | - | 4.92 | 144,762 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 162,457 |
| Countries Whose Names Start with Saint | 0 | - | 4.86 | 115,818 |
| Countries That End in RIA | 0 | - | 4.92 | 122,636 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 107,096 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 218,124 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 128,726 |
| Divided Country Name Puzzle #3 | 0 | - | 4.91 | 120,690 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 86,573 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 72,026 |
| Countries With One Word and Three A's | 0 | - | 4.94 | 49,609 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 99,257 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.97 | 121,211 |
| Countries that are Free from U.S.A. | 0 | - | 4.87 | 47,042 |
| Countries with the Word "And" | 0 | - | 4.98 | 91,177 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 49,204 |
| Countries that End in L | 0 | - | 4.94 | 153,037 |
| "Land" Countries | 0 | - | 4.98 | 301,327 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 199,049 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 84,266 |
| City to Country Quiz #1 | 0 | - | 4.96 | 151,450 |
| City to Country Quiz #3 | 0 | - | 4.87 | 105,511 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 76,237 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 221,922 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 194,401 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 123,295 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 158,346 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 218,131 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 148,298 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.88 | 69,328 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.83 | 106,373 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.94 | 85,223 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 60,321 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,393,693 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 367,375 |
| World Capitals by Proximity | 0 | - | 4.90 | 316,502 |
| One Border Countries | 0 | - | 4.98 | 448,409 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,667,941 |
| Countries Closest to the Equator A-Z | 0 | - | 4.53 | 37,805 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 82,849 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 259,444 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 117,163 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 108,543 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 89,320 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 55,741 |
| Nearest Capital City #1 | 0 | - | 4.83 | 55,355 |
| World Capitals Deepest in a Country's Territory | 0 | - | 4.96 | 51,937 |
| Countries by National Anthem | 0 | - | 4.93 | 70,219 |
| NATO Countries Quiz | 0 | - | 4.98 | 260,457 |
| EU Countries Quiz | 0 | - | 4.99 | 257,086 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 153,548 |
| French-Speaking Countries | 0 | - | 4.85 | 261,821 |
